«There is a combination of
anatomical features in the skeleton that simply aren't found in any form of Homo sapiens.»
«Embryology can tell us about the evolutionary relationship between
anatomical features in living animals, while palaeontology can pinpoint precisely when these features first appear in deep time.
That group includes all dinosaurs but also includes their earlier predecessors and their subsequent kin, which had the same general body plan but didn't have distinctive
anatomical features in their hip bones that all true dinosaurs shared.
Not exact matches
At present, and based on what we know of the genetic regulation of development, these phenotypic changes
in the gut are most likely the result of positive genetic changes
in the genetic regulatory pathways controlling the development of the relevant
anatomical features, i.e. they are novel positive, heritable genetic
features producing a specific and functional novel
anatomical structure within the Genus.
The ophthalmic
features with unique
anatomical characteristics may help to identify CZS
in patients born without microcephaly.»
In the 1970s, however, archaeologists re-examining the remains noted that certain
anatomical features, including the shape of the pelvis, suggested the skeleton belonged to a woman.
For the Past 130 years, paleontologists divided dinosaurs into two groups, based on a handful of
anatomical features — a split they believe occurred early
in the animals» evolution more than 230 million years ago.
The Venus figurines of women, some with exaggerated
anatomical features, and ancient rock art, like the image from the Abri Castanet site
in France that is supposedly of female genitalia.
A recent study by Allison Tripp of the University of Victoria
in British Columbia, Canada, and Naomi Schmidt of New Mexico State University
in Las Cruces demonstrated that female figurines from around 25,000 years ago have bodies of all shapes and sizes, not just the exaggerated
anatomical features of the famous «Venuses» (Archaeology, Ethnology and Anthropology of Eurasia, vol 41,
in press).
Because most species of tarantula
in the United States are very similar
in appearance and can not be distinguished from each other using
anatomical features alone, the research team implemented a modern and «integrative» approach to taxonomy by employing
anatomical, behavioural, distributional, and genetic data.
The two new animals have already helped to fill important gaps
in the evolution of the key
anatomical features of dinosaurs.
These maps, they say, will show everything from relative sizes of
anatomical features to differences
in brains associated with age, race, gender, educational background, genetic composition, and other distinguishing characteristics.
«While all of the
anatomical details
in the Misliya fossil are fully consistent with modern humans, some
features are also found
in Neandertals and other human groups,» said Quam, associate professor of anthropology at Binghamton.
The study, published
in the journal Current Biology, shows that the familiar
anatomical features of birds — such as feathers, wings and wishbones — all first evolved piecemeal
in their dinosaur ancestors over tens of millions of years.
The new analysis does not yet unseat the hippo as cetaceans» kissing cousin, because it only takes into account
anatomical features, not molecular ones, says Maureen O'Leary, a professor
in the department of
anatomical sciences at Stony Brook University on Long Island, N.Y..
Too many species While tarantulas can vary greatly
in size — from a leg span measuring about 6 inches (15 centimeters) long to tiny individuals able to fit comfortably on the face of a U.S. quarter — tarantula species generally don't vary much
in their
anatomical features.
The ancient toddler shows key
anatomical features of A. afarensis, including a shoulder blade midway
in shape between that of a human and a gorilla, along with
features rarely seen, like a full set of both baby and adult teeth.
This proximity
in time, and
anatomical features that appear to foreshadow those of early humans, have made Lucy's species the main contender as a direct ancestor of Homo.
Williams, Kay and Kirk also collaborated on a related article about to be published
in the Proceedings of the National Academy of Sciences that reviews the early fossil record and
anatomical features of anthropoids — the primate group that includes monkeys, apes, and humans.
Authors David Lordkipanidze, Marcia S. Ponce de León, Ann Margvelashvili, Yoel Rak, G. Philip Rightmire, Abesalom Vekua and Christoph P. E. Zollikofer say significant
anatomical features of this skull can be found
in earlier fossils assigned to the genus Homo, such as H. habilis, H ergaster and H. rudolfensis, and argue all comprise a single species within the genus Homo, with less variation among them than can be found within contemporary Homo sapiens.
A: Schematic overview of
anatomical features according to cresylviolet staining (shown
in B, C and D) and tracing patterns
in the thalamus.
Previous theories attribute South America as the origin of marsupials, but
anatomical features of the Didelphodon point to marsupials originating
in North America 10 — 20 million years earlier than originally thought, and later dispersing and diversifying
in South America.
That old principle of squash and stretch, preached by Walt's Nine Old Men, is very much on display, especially
in Arlo, who despite embodying some real
anatomical features (like injured knees that won't properly bend) operates a bit more like TV's «Denver the Last Dinosaur» than The Land Before Time's Littlefoot.
Dr. John Angus, a resident
in veterinary dermatology at the University of Illinois Veterinary Teaching Hospital
in Urbana, says, «This abrupt angle
in the ear canal is a normal
anatomical feature that makes cleaning difficult and can help trap debris and wax inside the ear.»
Kydon hotel
in Chania, Crete, provides guests with well appointed, contemporary rooms and suites,
featuring high - tech facilities, such as LED TV with Playstation and DVD player, free wi - fi, and comfort amenities, including
anatomical mattresses and pillows.
His paintings started
featuring anatomical drawings at various depths of the human form: outer skin and hair
in one rendering, subcutaneous musculature
in the next, skeleton
in another.
There was a «visible» woman
anatomical display which also
featured cut away models depicting the stages of fetal development culminating
in birth.
However, the witness's factual narrative of the actions he took and the observations he made, including describing without interpretation, the
anatomical features he observed
in the x-rays does not amount to offering an opinion and does not offend the Rule.