4 results found

Search Results for: orifices

Orifice

Definition noun, plural: orifices An opening or aperture; any external opening in the body of an animal. Supplement In a... Read More

Intervenous tubercle

Intervenous tubercle The slight projection on the wall of the right atrium between the orifices of the venae cavae. Synonym:... Read More

Pores

pore 1. One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc. 2. A minute... Read More

Involuntary muscle

A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More