A small opening. The word is usually used to describe an opening in the skin that releases sweat or sebum, a waxy material secreted by the sebaceous glands in the SKIN.... pore
An opening of the excretory system, normally situated on the ventral side at the anterior part of the body (e.g. in trematode miracidia).... excretory pore
n. an abnormal communication between the lateral *ventricle and the surface of the brain. This is usually a consequence of brain injury or cerebrovascular disease; uncommonly it may be a developmental defect, when it would most likely affect both lateral ventricles.... porencephaly