Foramen

[fә'reimәn]

Definition

(noun.) a natural opening or perforation through a bone or a membranous structure.

Inputed by Celia--From WordNet

Definition

(n.) A small opening, perforation, or orifice; a fenestra.

Checker: Marsha

Synonyms and Synonymous

n. (Anat. & Bot.) Hole, orifice, perforation.

Typed by Hester

Definition

n. a small opening:—pl. Foram′ina.—adjs. Foram′inated Foram′inous pierced with small holes: porous.—n.pl. Foraminif′era an order of Rhizopoda furnished with a shell or test usually perforated by pores (foramina).—n. Foramin′ifer one of such.—adjs. Foraminif′eral Foraminif′erous.—Forāmen magnum the great hole in the occipital bone for the passage of the medulla oblongata and its membranes.

Typed by Lesley