A small pit or cavity in the surface of an organ or other structure.
Any of the genus Cryptopus of orchids of Madagascar and Mauritius.
Any of the genus Cryptocoryne of aquatic plants of southern and southeastern Asia.
An underground vault, especially one beneath a church that is used as a burial place.
A small opening in a membrane; a surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy.
One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor pass.
A mouthlike opening, such as the oral cavity of a nematode.
An artificial anus.