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| a natural division or groove in an organ, as in the brain |
| the part of the arm between the elbow and the wrist |
anus a·nus (ā'nəs)
n. pl. a·nus·es
The opening at the lower end of the alimentary canal through which solid waste is eliminated from the body. Also called anal orifice, fundament.
| anus (ā'nəs) Pronunciation Key
The opening at the lower end of the digestive tract through which solid waste is excreted. anal adjective |
anus
terminal opening of the anal canal, the portion of the digestive tract through which fecal material is excreted. See also rectum.
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