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In part owing to its exposure to feces, a number of medical conditions may affect the anus, such as hemorrhoids. [3] The anus is the site of potential infections and other conditions, including cancer (see anal cancer). [4] With anal sex, the anus can play a role in sexuality. Attitudes toward anal sex vary, and it is illegal in some countries. [5]
The perineal body (or central tendon of perineum) is a pyramidal fibromuscular mass in the middle line of the perineum at the junction between the urogenital triangle and the anal triangle. In males, it is found between the bulb of the penis and the anus ; in females, it is found between the vagina and anus, and about 1.25 cm (0.49 in) in front ...
In mammals, invertebrates and most fish, [1] [2] the anus (pl.: anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the exit end of the digestive tract , i.e. the opposite end from the mouth. Its function is to facilitate the expulsion of wastes that remain after digestion.
Between the termination of the vertebral column and the anus, the two pubococcygeus muscles come together and form a thick, fibromuscular layer lying on the raphe (ridge) or (anococcygeal body) formed by the iliococcygei. The greater part of this muscle is inserted into the coccyx and into the last one or two pieces of the sacrum.
The perineal raphe is a visible line or ridge of tissue on the body that extends from the anus through the perineum to the scrotum (male) or the vulva (female). It is found in both males and females, arises from the fusion of the urogenital folds, and is visible running medial through anteroposterior, to the anus where it resolves in a small knot of skin of varying size.
The external anal sphincter is far more substantial than the internal anal sphincter. The proximal portion of external anal sphincter overlaps the internal anal sphincter (which terminates distally a little distance proximal to the anal orifice) superficially; where the two overlap, they are separated by the intervening conjoint longitudinal muscle.
If a bowl of soup strikes you as the ultimate in comfort, you’ve got plenty of company. Here are 20 of the world’s best soups – from Mexico to Thailand – to fill stomach and soul.
Many noted body parts are of dubious provenance [1] and most were separated from their bodies post-mortem. [2] In some faiths, veneration of the dead may include the preservation of body parts as relics. Body parts supposed to belong to major religious figures are kept in temples, including the tooth of the Buddha, Muhammad's beard, and Jesus's ...