| 词汇 | fenestra |
| 释义 | fenestra noun[ C ] anatomy specializeduk /fɪˈnes.trə/ us /fəˈnes.trə/pluralfenestraeuk /fɪˈnes.tri/ us /fəˈnes.tri/ a natural opening in a bone, in humans especially in the bones of the ear: These bones form the medium of communication between the tympanum and the fenestra ovalis. In these animals, two temporal fenestrae exist on either side of the skull. The infratemporal fenestra of dyrosaurids was at least three times as large as that of extant crocodylians. The suborbital fenestra is a common opening in diapsid reptiles. The entrance for the canalis cavernosus is visible lateral to the fenestra ovalis. Bone structures acetabular acetabulum acromial acromioclavicular acromion frontal bone glenoid gnathic gynecoid hamate osteophyte osteotomy parietal parietal bone pectoral girdle TMJ trapezoidal triquetrum true rib tubercle |
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