aproctia

anus

 [a´nus] (pl. a´nus)

the opening of the rectum on the body surface.

 The anus. Left, Endoanal magnetic resonance image of the sphincter muscles. High-definition images can be obtained by using an endoanal MRI coil. Right, Explanatory diagram (coronal view in a normal patient). From Aspinall and Taylor Robinson, 2001.

imperforate anus congenital absence of the normal opening of the rectum. Called also anal atresia and atresia ani.

a·proc·ti·a

(ă-prok'shē-ă),

Congenital absence or imperforation of the anus.

[G. a- priv. + prōktos, anus]

aproctia

An obsolete term for:
(1) Anal agenesis; 
(2) Imperforate anus.

a·proc·ti·a

(ă-prok'shē-ă)

Congenital absence or imperforation of the anus.

[G. a- priv. + prōktos, anus]