Aphthous stomatitis caused by a reduction in numbers of CD4+ T cells may be implicated in RAS-type ulceration in HIV infection. The thickness of the mucosa may be an important factor in aphthous stomatitis. Usually, ulcers form on the thinner, non-keratinizing mucosal surfaces in the mouth. Factors which decrease the thickness of the mucosa increase the frequency of occurrence, and factors which increase the thickness of the mucosa correlate with decreased ulceration. The nutritional deficiencies associated with aphthous stomatitis (Vitamin B12, folate, and iron) can all cause a decrease in the thickness of the oral mucosa (atrophy). Local trauma is also associated
Body image (medicine) have positive FAI values (overestimating their weight) while men had negative FAI values (underestimating their weight) Body image (medicine) Body image is a medical term, often used in the context of describing a patient's cognitive perception of their own body. The medical concept began with the work of the Austrian neuropsychiatrist and psychoanalyst Paul Schilder, described in his book "The Image and Appearance of the Human Body" first published in 1935. In psychology, it typically refers to one's perceptions, beliefs, and emotional attitudes towards one's body. The concept is used to discuss various pathologies and disorder, such as anorexia nervosa