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In many mammals, the nape bears a loose, non-sensitive area of skin, known as the scruff, by which a mother carries her young by her teeth, temporarily immobilizing it during transport. In the mating of cats , the male will grip the female's scruff with his teeth to help immobilize her during the act, [ 1 ] a form of pinch-induced behavioral ...
They follow a V shape over the back, S-shaped whirls over the chest and sides, and wavy shapes on the head. [5] [6] Not all mosaic skin conditions follow Blaschko's lines. [7] The lines are believed to trace the migration of embryonic cells. [8] [9] They do not correspond to nervous, muscular, or lymphatic systems. The lines are not unique to ...
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.
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A branchial cyst, a.k.a. a branchial cleft cyst, is a small, fluid-filled sac that an look like a lump under the skin on the side of your neck, according to the Cleveland Clinic. They can appear ...
Many people with this type of spina bifida do not even know they have it, as the condition is asymptomatic in most cases. [21] A systematic review of radiographic research studies found no relationship between spina bifida occulta and back pain. [23] More recent studies not included in the review support the negative findings. [24] [25] [26]
This cyst, called a syrinx, can expand and elongate over time, destroying the spinal cord. The damage may result in loss of feeling, paralysis, weakness, [4] and stiffness in the back, shoulders, and extremities. Syringomyelia may also cause a loss of the ability to feel extremes of hot or cold, especially in the hands.
The cysts may be found anterior to the sacral area and have been known to extend into the abdominal cavity. These cysts, though rare, can be found to grow large - over 3–4 centimetres (1.2–1.6 in) in size, often causing severe abdominal pain from compression on the cyst itself as well as adjoining nerves. [citation needed]