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The pointed ear(s) in Stahl's ear is caused by misshapen cartilage. It is characterized by an extra horizontal fold of cartilage (crus). Normally, there are two: superior and inferior. In Stahl's ear, there is a third horizontal crus. The helix (or upper portion of the ear) may uncurl, giving the ear a pointed shape. [10] Author Holly Black and ...
Approximately one third of individuals born with Carpenter syndrome have a type of heart defect. Commonly seen heart defects may include: narrowing of the pulmonary artery, transposition of the major blood vessels, or the presence of an abnormally large vena cava, which delivers blood back to the heart from the head, neck, and upper limbs.
Scan of Figure 2, from Darwin's Descent of Man, second edition, illustrating Darwin's tubercle. This atavistic feature is so called because its description was first published by Charles Darwin in the opening pages of The Descent of Man, and Selection in Relation to Sex, as evidence of a vestigial feature indicating common ancestry among primates which have pointy ears.
It is called preauricular sinus which, according to the U.S. National Institutes of Health, or NIH, "generally appears as a tiny skin-lined hole or pit, often just in front of the upper ear where ...
The muscles connected to the ears of a human do not develop enough to have the same mobility allowed to monkeys. Arrows show the vestigial structure called Darwin's tubercle . In the context of human evolution , vestigiality involves those traits occurring in humans that have lost all or most of their original function through evolution .
A child born with asymmetrical unilateral coronal synostosis should undergo cranioplasty within its first year of life in order to prevent increased intracranial pressure and to prevent progressive facial asymmetry. Cranioplasty is a surgical procedure to correct prematurely fused cranial bones.
At first glance, you might not notice that the male 8—to 9-week-old kitten has a couple of extra ears. That's right—one of the kittens, who they aptly named Audio, has four ears!
8. Corgi. The corgi—aka, everyone’s favorite short-legged pup—is one of the most recognizable dogs with pointy ears. Beloved by Queen Elizabeth II, these dogs have been favored by the kings ...