anus / ˈeɪ nəs /


anus 的定义

n. 名词 noun

plural a·nus·es.Anatomy.

  1. the opening at the lower end of the alimentary canal, through which the solid refuse of digestion is excreted.


  1. Anus posterior, median; anterior tentacles, atrophied; foot broad.
  2. Anus nearly always terminal, rarely dorsal, at a little distance from end of body.
  3. Anus orange-coloured, and furnished with a bristle for oviposition.
  4. Anus usually in the upper or oral half of the theca, and never aboral.
  5. Anus in posterior interradius, on oral surface, closed by valvular pyramid.