diverticulum

/dahy-ver-tik-yuh-luhm/US // ˌdaɪ vərˈtɪk yə ləm //UK // (ˌdaɪvəˈtɪkjʊləm) //

憩室,憩息室,憩园,憩息处

Definitions

n.名词 noun

1
plural di·ver·tic·u·la [dahy-ver-tik-yuh-luh]. /ˌdaɪ vərˈtɪk yə lə/. Anatomy.
- : a blind, tubular sac or process branching off from a canal or cavity, especially an abnormal, saclike herniation of the mucosal layer through the muscular wall of the colon.

Cross section through the base of the proboscis showing diverticulum wall and proboscis gland.
To these may be added, according to Kupffer, in the embryonic stage, the anterior diverticulum of the gut (Fig. 166).
Section through the point of junction of the salivary ducts with the median oral diverticulum.
At this or some earlier period, the intestine gave forth a much larger diverticulum or cæcum than that now existing.
More ventrally another slight diverticulum probably represents the infundibulum.