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Kyphosis (from Greek κυφός (kyphos) 'hump') is an abnormally excessive convex curvature of the spine as it occurs in the thoracic and sacral regions. [1] [2] Abnormal inward concave lordotic curving of the cervical and lumbar regions of the spine is called lordosis.
The cause of cutaneous horns is still unknown, but it is believed that exposure to radiation can trigger the condition. This is evidenced by a higher rate of cases occurring on the face and hands, areas that are often exposed to sunlight. Moreover, there is a higher prevalence in Asian countries with a warm climate.
X-linked recessive inheritance. Mutations in the FGD1 gene are the only known genetic cause of Aarskog-Scott syndrome. The FGD1 gene provides instructions for making a protein that turns on (activates) another protein called Cdc42, which transmits signals that are important for various aspects of development before and after birth.
The cause of death of a Black man found hanging in an abandoned Alabama house in September remains uncertain, after two conflicting autopsies.. The state autopsy ruled that Dennoriss Richardson ...
A widow's peak is a V-shaped point in the hairline in the center of the forehead. Hair growth on the forehead is suppressed in a bilateral pair of periorbital fields. Without a widow's peak, these fields join in the middle of the forehead so as to give a hairline that runs straight across.
The exact cause for sporadic clubbing is unknown. Theories as to its cause include: Vasodilation (i.e., distended blood vessels). [citation needed] Secretion of growth factors (e.g., platelet-derived growth factor and hepatocyte growth factor) from the lungs. [citation needed] Overproduction of prostaglandin E2 by other tissues. [14]
When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash. You might see two fang marks inside the bite area ...
A black widow bite often causes pain right away, according to the National Capital Poison Center. Around the bite, there will be “tiny puncture wounds” along with some local swelling.