fenestra

fenestra
[fɪˈnɛstrə]
(pl. fenestrae -triː)

(Anatomy & Zoology)a small natural hole or opening, especially in a bone. The mammalian middle ear is linked by the fenestra ovalis to the vestibule of the inner ear, and by the fenestra rotunda to the cochlea
(剖，动)（尤指骨上的）原生孔，窗
(Medicine)an artificial opening
(医)人工开口
■an opening in a bandage or cast
（绷带、渔网的）网状格
■a perforation in a forceps blade
（外科手术钳上的）小孔
■a hole made by surgical fenestration
（外科开窗术所开的）孔

语源

early 19th cent. (as a botanical term denoting a small scar left by the separation of the seed from the ovary): from Latin, literally window'