Sagittal keel

- Sagittal keel (a lump rather than a crest) with unknown function - More sloped sides of skull - Used Oldowan tools mostly, but a few Acheulean tools have been found in eastern Asia, and stone tools are absent from the entire region above the latitude line where bamboo grows.

Astigmatism is often characterized by a dependence of the angle between the chief ray and the optical axis of the lens system, referred to as the field angle ( ε ). Lens correction for astigmatism is generally represented by a plot of parabolic curves, which represents the position of the tangential ( T; Figure 3) and sagittal ( S; Figure 3 ...This study sought to investigate these differences in sagittal and frontal planes, and explain the differences using kinematics and kinetics. We hypothesized that single-leg and double-leg landing maneuvers involve different lower extremity energy dissipation strategies in both planes. Ten recreational athletes were recruited and instructed to ...Today, most scientists assign Kabwe to Homo heidelbergensis. Kabwe shows features similar to H. erectus such as a low braincase profile (the area towards the back of the skull), large brow ridges, a slight widening of the midface known as the sagittal keel, and a protrusion at the back of the skull named the occipital torus.Which member of the genus Homo does this specimen belong to? O H. habilis O H. erectus O H. neandertalensis O H. sapiens Based on your choice for Question 3 please select all of the following features which apply to this specimen. Pronounce single supra-orbital torus (brow) Pronounced arched brow 0 Sagittal keel Low long brain case Chin Wide nasalThe pterygoid hamulus is part of the medial pterygoid plate of the sphenoid bone of the skull. Its tip is rounded off. [1] It has an average length of 7.2 mm, an average depth of 1.4 mm, and an average width of 2.3 mm. [1] The tendon …Sagittal keel and parasagittal depressions. In the Kocabaş fossil, there is no keel on the parietal bones. The parasagittal depressions are clearly expressed ...

a sagittal keel. 3. What does genetic data from fossils found at Denisova Cave indicate? The Denisovans are a form of Neanderthal. Neanderthals and other hominins of the time were genetically isolated. Denisovans, a population that predates 50,000 years, share a common ancestor with Neanderthals postdating the Neanderthal-human split.a sagittal keel, also younger at 500kya H. habilis • 2.5-1.8mya • Oldowantool use • Smaller face & jaws, no sagittal crest • Reduced tooth size • Increased cranial capacity 650cc • Perhaps more generalized diet • Arms still long & legs short (relative to us) -similar locomotion to Australopiths Homo habilis Homo erectus 1 4 5 2 3Verified answer. economics. ATech has fixed costs of $7 million and profits of$4 million. Its competitor, ZTech, is roughly the same size and this year earned the same profits, $4 million. But it operates with fixed costs of$5 million and lower variable costs. a.A heterozygous spotted female without a sagittal keel falls in love with a heterozygous spotted, heterozygous keeled male, and they decide to. must anser all questions. Among underground burrowing gorillas, the presence of a sagittal keel (K) is dominant to the absence of a sagittal keel (k), and spotted pelts (S) are dominant to striped (s).Paranthropus aethiopicus. ~2.5 - 2.3 million years ago. East Africa (Ethiopia and Kenya) ~410 cc. Cranial and Dental: Small brain size; dish-shaped face; pronounced sagittal crest; flared zygomatic arches; extreme facial prognathism; very large molar teeth. Postcranial: Limited postcranial evidence of this species.

sagittal keel. A slight ridge of bone found along the midline sagittal suture of the cranium, which is typically found on H. erectus skulls. supraorbital torus. thickened ridge of bone above the eye orbits of the skull; a browridge. Occipital Bun. A cranial feature of Neandertals in which the occipital bone projects substantially from the skull ...Compared to earlier hominins, Homo erectus had Group of answer choices shorter legs. larger teeth. a bigger sagittal keel. a larger brain. shorter legs. larger teeth. a bigger sagittal keel.Upon in-depth review of these cases, we found three of the patients to have a prominent sagittal keel with thinning of the overlying soft tissues which artificially shifted the highest point of the skull in our VNO measurements to the posterior parietal bone. One patient was found to have 10 mm of unfused mid-sagittal suture of unclear ...3) prominent frontal and sagittal keels, with the exception of ZKD V, which lacks a sagittal keel on the parietal lobes; 4) flat and narrow frontal lobes ...In the human skull, a sagittal keel, or sagittal torus, is a thickening of part or all of the midline of the frontal bone, or parietal bones where they meet along the sagittal suture, or on both bones. Sagittal keels differ from sagittal crests, which are found in some earlier hominins (notably the genus Paranthropus) and in a range of other ...

Realtor.com derby ks.

The Sagittal keel (torus) is a thickening of bone on part or all of the midline of the frontal bone, or parietal bones where they meet along the sagittal suture, or on both bones.. scapula spine. scapular blade. sella turcica +.In the human skull, a sagittal keel, or sagittal torus, is a thickening of part or all of the midline of the frontal bone, or parietal bones where they meet along the sagittal suture, or on both bones. Sagittal keels differ from sagittal crests, which are found in some earlier hominins (notably the genus Paranthropus) and in a range of other mammals. While a proper crest functions in anchoring the muscles of masticationSagittal crest of skull 'sagital sutures' line running lengthwise along midline of top of skull. Nuchal crest line that transects the sagittal crest along the occipital bone. tympanic bullae "egg-shaped" swellings on ventral surface of temporal bones that contain the middle ear structures.males had a bony ridge (a sagittal crest) on top of their skull for the attachment of enormous jaw muscles. In this species, the crest was very short and located toward the rear of the skull. a small hyoid bone (which helps anchor the tongue and voice box) found in a juvenile specimen suggests A. afarensis had a chimp-like voice box

Thick cranial bone, large brow ridges and a projecting nuchal torus, maximum cranial breadth below the ear opening and sagittal keel. Sagital keel. Small ridge that runs front to back along the sagittal suture. Where did H erectus first arise? East Africa. Where does the earliest H erectus fossil come from? East Turkana.Introduction. Of all the genera of fossil marine adapted turtle recovered from the Late Cretaceous of North America, perhaps one of the poorest known is Prionochelys Zangerl, 1953. Prionochelys or the ‘saw-tooth turtle’ is a spectacularly ornamented sea turtle characterized by pronounced peripheral serrations and an undulating sagittal keel along …a sagittal keel. An animal bone with both animal tooth marks and stone tool cut marks may provide evidence that Homo erectus scavenged for meat if puncture holes from carnivore teeth are found beneath cuts made by manufactured tools.located, with the absence of a sagittal keel. The Salkhit. skullcap exhibits a few Neanderthal features. They are. located on the lower part of the frontal bone, in the nasal.Gracile Aus., East Africa, Most well know australopithecine, Dikika child, Lucy, brain size = 430 cc, parabolic tooth row, true biped, ~3.5 feet tall, Laetoli footprintsThe sagittal keel refers to a thickening of the bone in the same area. An animal may have one of both. Typically if it is going to have a crest than a keel would be normally there as extra support. When humans started getting larger brains after H. erectus, we lost the keel, generally though some of us still have one.Shop for sagittal crest wall art from the world's greatest living artists and iconic brands. All sagittal crest artwork ships within 48 hours and includes a ...The external surface of the parietal is convex and shows a flatten suture in opposition with the sagittal keel exhibited on the frontal squama. The right parietal eminence (tuber parietale) is high and back located. The upper and lower temporal lines are strongly marked, they run upward and backward from the left and right orbital process about ...Newly found ∼300,000-y-old human remains from Hualongdong (HLD), China, including a largely complete skull (HLD 6), share East Asian Middle Pleistocene (MPl) human traits of a low vault with a frontal keel (but no parietal sagittal keel or angular torus), a low and wide nasal aperture, a pronounced supraorbital torus (especially medially), a ...Homo erectus traits-. 5'6" tall, >100lbs, thick certical bone (produced more growth hormones, strong AF), Homo erectus skull: Highly distinct cranial shape, large supraorbital tori (browridge), Nuchal torus on the posterior skull (back bone of head, football shaped), long and low brain case receding from the brow ridges (no forehead), Origins ...

morphology of homo erectus. Homo erectus was considerably taller and more robust than early Homo. With a bigger body you would expect a bigger brain. Cranial capacity (brain size):averages between 900 and 1,000 cc. (long and low vault with sagittal keeling) -Nuchal torus in the back. -Supraorbital torus (pronounced brow ridges) on.

Answered: A projection of bone in the back of the… | bartleby. Science Biology A projection of bone in the back of the cranium that serves as a neck muscle attachment is called a _____ _____. Group of answer choices supraorbital torus sagittal crest sagittal keel foramen magnum nuchal torus. A projection of bone in the back of the cranium ...Sagittal keel. H. erectus crania often have flattened areas on either side of the midline, forming an angle along the top of the skull. This can be on the frontal bone, on the parietals, or both. a sagittal keel, also younger at 500kya H. habilis • 2.5-1.8mya • Oldowantool use • Smaller face & jaws, no sagittal crest • Reduced tooth size • Increased cranial capacity 650cc • Perhaps more generalized diet • Arms still long & legs short (relative to us) -similar locomotion to Australopiths Homo habilis Homo erectus 1 4 5 2 3In mammalian anatomy, the cribriform plate (Latin for lit. sieve-shaped), horizontal lamina or lamina cribrosa is part of the ethmoid bone.It is received into the ethmoidal notch of the frontal bone and roofs in the nasal cavities.It supports the olfactory bulb, and is perforated by olfactory foramina for the passage of the olfactory nerves to the roof of the nasal cavity to …pronounced SAGITTAL CREST (not to be confused with a sagittal keel in H. erectus; yet for gracile Au., it's smaller/less pronounced) >>> Australopithecines still have a sagittal crest OVERALL ROBUSTICITY of the cranial features >>> Homo has smaller features: including the zygomatic arches, teeth, mandibles African Homo Ergaster lacks a sagittal keel. The differences between Asian Homo Erectus and African Homo Ergaster includes: False. True or false? Any kind of stone can be used to make a stone tools. Homo Antecessor. Fossils from the Gran Dolina later of Atapuerca, Spain belong to which of the following species?Homo naledi, recently discovered in South Africa, has a sagittal keel, a large supraorbital torus, and reduced tooth size. But the brain size is small. Where might this new species fit in the larger pattern of human evolution in Africa? Group of answer choices. H. naledi has several traits that do not fit with the genus Homo, including its ...features, for example, sagittal keel, are examples of regionally persistent features (Rosenberg and Wu, 2013), found in Dali and Ziyang (Wolpoff, 1999) in addition to Salkhit and Zhoukoudian. Thata specimensuchasSalkhit showssucha trait isnotsupportive of its antiquity; rather, it is compatible with its regional origin.

Ucr awpe.

Take me to the nearest sonic restaurant.

no parietal sagittal keel or angular t orus), a low and wide nasal aper-ture, a pronounced supraorbital torus (especially medially), a nonlevel nasal floor, and small or absent thi rd molars. It lacks a malar incisure but has a large superior medial pterygoid tubercle. HLD 6 also exhibits a relatively flat superior face, a more vertical mandibular- No sagittal keel. Homo habilis - No sagittal keel or crest - Larger cranial capacity (than A. africanus) - Less prognathism (than A. africanus) - Smaller cheek teeth (than A. africanus) Homo erectus - Most robust - Most subnasal prognathism - Largest cheek & anterior teeth - Large brow ridgeFeb 7, 2022 · A well-developed sagittal keel is typical among East Asian H. erectus and generally presents as a pronounced bulge that extends the length of the frontal and most of the parietal bone, with parasagittal depressions and a bregmatic eminence. These features are variably expressed in the later MP group. The sagittal keel refers to a thickening of the bone in the same area. An animal may have one of both. Typically if it is going to have a crest than a keel would be normally there as extra support. When humans started getting larger brains after H. erectus, we lost the keel, generally though some of us still have one.Homo erectus. Homo erectus - Bipedalism, Brain Size, Tools: Much of the fossil material discovered in Java and China consists of cranial bones, jawbones, and teeth. The few broken limb bones found at Zhoukoudian have provided little information. It is possible that the complete femur excavated by Dubois at Trinil is more recent in age than the ...In the human skull, a sagittal keel, or sagittal torus, is a thickening of part or all of the midline of the frontal bone, or parietal bones where they meet along the sagittal suture, or on both bones. Sagittal keels differ from sagittal crests, which are found in some earlier hominins (notably the genus Paranthropus) and in a range of other ...They exhibit a sagittal keel on the top of the skull due to thickening along the sagittal suture. The keel gives the skull a pentagonal shape. Culturally and technologically, Asian H. erectus are thought to have been somewhat similar to African H. ergaster. The earliest inhabitants of Asia carried with them the Oldowan tool tradition.In the case of sagittal synostosis that occurs between 2 parietal bones, transverse expansion of the cranium is considerably limited. In consequence, it gives a keel-like shape of the skull which may have midline bony ridge over the interparietal suture region, biparietal and bitemporal narrowing and occipital prominence [19, 21].Biology. ISBN: 9781305112100. Author: Cecie Starr, Beverly McMillan. Publisher: Cengage Learning. SEE MORE TEXTBOOKS. Solution for You are searching for hominin fossils in Africa and discover a skull with a sagittal keel, an …Study with Quizlet and memorize flashcards containing terms like Unlike Darwin, Ernst Haeckel believed that humans first evolved in: a. Africa. b. South America. c. Asia. d. Haeckel didn't believe in evolution., Eugène Dubois found fossils of this species in Southeast Asia: a. Australopithecus afarensis. b. Homo sapiens. c. Homo habilis. d. Homo erectus., Eugène Dubois was unique among major ... ….

The cranial bones are thicker than those of modern humans, and some Homo erectus skulls have a slight thickening along the sagittal suture called a sagittal keel. Large, shelf-like brow ridges hang over the eyes. The face is less prognathic, and the back teeth are smaller than those of Homo habilis.Homo erectus populations began to differentiate, Retain many H. erectus characters.-Sagittal keel -Long, low braincase -Derived characteristics appear.-Increased brain size-More rounded brain case (neurocranium)-Dental reduction -Less angled occipital (bigger brain, more rounded cranium= less steep angle)Identify the hominin based on a description of characteristics of the skull. Learn with flashcards, games, and more — for free.Anthropology Lecture 7: Archaic Homo sapiens and Neanderthals Characteristics of Homo erectus -Sagittal keel (not a crest) -Massive supraorbital torus - bone on top of the eyes -Sloping forehead -Nuchal torus: bone at the back of the head -No chin (the chin is a feature only found in modern humans) -Average cranial capacity- 900cc- pretty small for a modern human -Thick cranial bone -First ...Location of maximum skull breadth Sagittal keel? (thickening- not crest-along top of skull Shape of occipital and nuchal region (nuchal torus/thick ridge?) Amount of postorbital constriction Supraorbital ridge size Amount of prognathism Shape of dental arcade Size of incisors compared to molars Mandibular symphysis form (receding, vertical ...Sagittal Keel. an inverted V-shaped ridge running along the top of the skull in Homo erectus. Shovel shaped incisors. unifacial. flaked tool on which only one side is ... Discovered by. Liu Shuntang. Dali man ( Chinese: 大荔人) is the remains of a late Homo erectus or archaic Homo sapiens who lived in the late-mid Pleistocene epoch. The remains comprise a complete fossilized skull, which was discovered by Liu Shuntang in 1978 in Dali County, Shaanxi Province, China . Dating the skull is a matter of debate.They also did not exhibit the sagittal keel (see Homo erectus, Chapter 29) typical of the Asian form. However, the Koobi Fora specimen exhibits slight keeling (see Figure 28.4). Koobi Fora Homo ergaster. Postorbital constriction. Slight keeling Temporal line.Figure 5.11 Homo erectus (left) has a sagittal keel (ridge on top of head), a shorter forehead, and a different-shaped skull than Homo ergaster, seen on the right. (credit: (left) kevinzim/Wikimedia Commons, CC BY 2.0; (right) Reptonix free Creative Commons licensed photos/Wikimedia Commons, CC BY 3.0) QUESTION 29 What does the Assimilation model of the origin of modern humans state? We have assimilated to such an extent that H. sapiens is an evolutionary dead end Gene flow is not important in understanding where humans originated Modern humans evolved in Africa and interbred with other humans as they spread to other continents Modern humans ... Sagittal keel, Sagittal keel and nuchal torus Archaic Homo sapiens vs . Neanderthal vs Modern humans Archaic humans ( Cro - Magnom ) Neanderthals Modern Human Size of braincase Significant Significant significant Cranial Shape- Is the skull longer front to back? medium Longer back to front Higher and shorter skull from back to front, Homo erectus Dmanisi 2700 1.8 mya in Georgia Oblong football head Occipital torus ( muscle attachment) Supraorbital tori Sagittal keel Lessening of prognathism Mode 2: Acheulean "Perking man" 300-600 kya in China Acheulean, Hans axe., Chin Sagittal crest Occipital bun Sagittal keel Which of the following characteristics suggests that Australopithecus afarensis walked bipedally when on the ground? short and broad iliac blades on the pelvis & valgus knee valgus knee only curved hand bones relatively long arms ., O flaring zygomatic bones O double-arched supraorbital ridge O sagittal keel orrect Question 9 0 / 2 pts Which of the following cranial features would assist you with identifying a fossil belonging to genus / species: Homo sapiens? O flaring zygomatic bones O protruding mandibular symphysis O double-arched supraorbital ridge O occipital bun ..., Sagittal crest? Sagittal keel? What is the shape of the occipital region? Is there a nuchal torus? Height of Skull. Height of Skull . How much skull is above the supraorbital ridge? Shape of the facial profile. (Scoop out, Flat, etc), sagittal keel. A slight ridge of bone found along the midline sagittal suture of the cranium, which is typically found on H. erectus skulls. Nariokotome. Kenya nearly complete skeleton of a boy between the ages of 11 and 13 classified as Homo erectus. Atapuerca Cave (Spain), sagittal keel low sloping forehead receding chin large body size longer femur. Homo ergaster. Some people think to seperate them from h. erectus (compared to homo erectus): thinner cranial bones smaller brow ridges no sagittal keel. Homo habilis "handy man, tool maker" found in tanzania old as 2.4-1.5 mya, Sagittal keel. A bony ridge formed by a thickening of bone lengthwise along the midline of the top of the skull, found in homo erecctus. Acheulian tools. These tools had a defined edge and were rather large. Used for hacking like an axe. Used by Homo erectus. Bi-faced tools. Biface., b. large molars, a big face, and a sagittal crest. c. a large body, large teeth, and a sagittal crest. d. a big face, large teeth, and a large body. ... c. a bigger sagittal keel. b. larger teeth. d. a larger brain. A d. a larger brain. 71 Q The earliest fossil evidence of Homo erectusin Western Europe dates to about: a. 1.7 mya., sagittal keel. postorbital constriction. 2) I find a fossil pelvis, how do I know if it belonged to a biped? the pelvic bones are larger than those found in quadrupeds. the pelvic girdle is short and wide. the pelvic girdle is long and narrow. you cannot determine locomotion by examining the pelvic bones., Nearly all the men in my family are bald, and none of them have this . I recently decided to shave my head to join them, and I noticed I have a slight ridge starting at the middle of my head to the start of the back of my head. I looked it up and determined that it is most likely a sagittal keel. I was wondering what the purpose of this is, as ..., Study with Quizlet and memorize flashcards containing terms like Unlike Darwin, Ernst Haeckel believed that humans first evolved in: a. Africa. b. South America. c. Asia. d. Haeckel didn't believe in evolution., Eugène Dubois found fossils of this species in Southeast Asia: a. Australopithecus afarensis. b. Homo sapiens. c. Homo habilis. d. Homo erectus., Eugène Dubois was unique among major ..., Conclusion: Our study demonstrated overall keel cutting errors of 1.7° in the coronal plane and 1.4° in the sagittal plane. The "dolphin" technique was found to significantly reduce keel cutting errors on the tibial side. This technique will be useful for accurate component positioning and therefore improve the longevity of Oxford UKAs., 3 212480 Angled sagittal saw 4 212186 Straight sagittal saw. Mako Total Knee tray layouts Stryker leg positioner instrument kit 3 1 4 2 5 Upper tray Description 1 210040 Rail clamp ... 4 6541-2-713 Keel punch guide, size 1-3 5 6541-4-811 MIS femoral flexion impactor 6 6541-4-515 Headed nail 1.5" × 2 7 6541-4-575 Headed nails 0.75" × 2, Ancestral: lots of postorbital construction; large sagittal crest; Huge brow ridge Derived: Huge posterior teeth; small anterior teeth; very thick enamel. Paranthropus boisei. Age: 2.3-1.2 mya ... Ancestral: Sagittal keel; large, pitted teeth; splayed cheekbones Derived: Least robust; least postorbital; very thick enamel. Australopithecus garhi., Question: a-What species had buttressing of the skull such as sagittal keel: Group of answer choices a-H. erectus b-Australopithecines c-H. habilis d-Neandertals b- Give two features that are unique to Homo sapiens sapiens. Group of answer choices a-the nuchal torus and the sagittal keel b-vertical forehead and mental eminence c-the supra-orbital torus and vertical, Taxonomy, Bipedalism, Core, Gene, Sagittal keel The science of classifying organisms into categories-Taxonomy; A nodule of rock from which flakes are removed-Core; Walking on two feet-Bipedalism; A bony ridge on top of the skull-Sagittal keel; A section of DNA that has a specific function-Gene Bipedalism may have evolved because it allowed ..., Sahelanthropus tchadensis is one of the oldest known species in the human family tree. This species lived sometime between 7 and 6 million years ago in West-Central Africa (Chad). Walking upright may have helped this species survive in diverse habitats, including forests and grasslands. Although we have only cranial material from Sahelanthropus ..., Sagittal crest of skull 'sagital sutures' line running lengthwise along midline of top of skull. Nuchal crest line that transects the sagittal crest along the occipital bone. tympanic bullae "egg-shaped" swellings on ventral surface of temporal bones that contain the middle ear structures., There is a sagittal ventral keel that itive' alethinophidian character that is absent in both madtsoiids where divides anteriorly below the hypophysial pit, enclosing a flat triangular it can be evaluated. The same apomorphy would also be unexpected in space within which the hypophysial foramen emerges. The foramen a lapparentophiid-grade ..., 7 Aug 2023 ... INTERFERENCE AND KEEL DESIGN SIGNIFICANTLY INFLUENCE SAGITTAL MICROMOTION IN CEMENTLESS UNICOMPARTMENTAL KNEE ARTHROPLASTY., G.g. gorilla: crest A. africanus: keel P. boisei: crest H. erectus: keel H. s. sapiens: Round a. Given what we know about the Sagittal crest, how might a species without a Sagittal crest (has either a Sagittal keel or nothing) be different than a species that has a Sagittal crest? They probably have a bigger brain but have less protection. 6., Below is a list of features that characterize bipeds and quadrupeds among the hominoids. Drag and drop each feature to the appropriate locomotor pattern. QUADRUPEDALISM. -narrow and elongated pelvis. -long femur neck. -short femur neck. -parallel femurs. -flattened and flared pelvis. -longitudinal arch in foot., 1) The Sagittal keel (torus) is a thickening of bone on part or all of the midline of the frontal bone, or parietal bones where they meet along the sa..., Its features include a long, low cranium with thick bones, flat frontal bone with large browridges, a raised sagittal keel, an occipital torus, skull widest near the base, projecting face, and cranial capacity slightly over 1,000cm3., 1 Jan 2010 ... 3D), a ventrolateral keel along the caudoventral margin of the ... (144) Pointedness of sagittal crest in lateral view: crest absent or ..., a-What species had buttressing of the skull such as sagittal keel: Group of answer choices a-H. erectus b-Australopithecines c-H. habilis d-Neandertals b- Give two features that are unique to Homo sap. 1 answer If a vaccine contained live measles virus, it would be classified as this type of vaccine., Australopithecus africanus was the first fossil hominin discovered in Africa. In 1924, Raymond Dart (see his biographical sketch this chapter) identified the face, mandible, and endocast as being that of a juvenile …, Sagittal keel. In the human skull, a sagittal keel, or sagittal torus, is a thickening of part or all of the midline of the frontal bone, or parietal bones where they …, The sagittal keel is. present on your instructor AND most likely related to increase in brain size. The size of the nasal aperture in Homo Erectus and archaic Homo Sapiens indicates. movement into colder climates. Acheulian tools differ from Olduwan tools because they., The almost complete Nariokotome or Turkana Boy (see Figure 28.2) from the West Lake Turkana region of Kenya was discovered in 1984 by Kamoya Kimeu and dated to 1.6 mya. The skeleton has been extremely important for reconstructing body morphology and limb proportions. The boy is thought to have been eight years old based upon tooth development ..., They also did not exhibit the sagittal keel (see Homo erectus, Chapter 29) typical of the Asian form. However, the Koobi Fora specimen exhibits slight keeling (see Figure 28.4). Koobi Fora Homo ergaster. Postorbital constriction. Slight keeling Temporal line., Kabwe shows features similar to H. erectus such as a low braincase profile (the area towards the back of the skull), large brow ridges, a slight widening of the midface known as the sagittal keel, and a protrusion at the back of the skull named the occipital torus.