Foramen

[fә'reimәn]

解释:

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

西莉亚手打--From WordNet

解释:

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

录入:玛莎

同义词及近义词：

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

海丝特编辑

解释:

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.

校对:莱斯利