
陰莖骨
Ida is female because she doesn't have a baculum, or penis bone. 愛(ài)達(dá)是雌性,因?yàn)樗龥](méi)有陰莖骨。
The exine of all species can be distinguished by itstectum, baculum and foot-layer. 透射電鏡下觀察,5種植物花粉外壁均可分為覆蓋層、柱狀層和基層。
The study shows a connection between OHC levels and reduced size of the uterus in female bears and reduced size of the testis and baculum in males. 這項(xiàng)研究顯示,OHC濃度與母熊子宮及公熊的睪丸和陰莖骨變小有關(guān)。
A large baculum, or penis, is critical for successful mating in an arctic climate, the researchers note, and even slight decreases may interfere with reproduction. 研究人員指出,一個(gè)大陰莖骨(或陰莖),對(duì)于要在北極天候下成功交配而言至關(guān)重要,即使微幅變小都可能妨礙到繁殖功能。
A positive relationship between baculum length and prolonged intromission patterns in mammals 哺乳動(dòng)物陰莖骨長(zhǎng)度與延長(zhǎng)性插入模式之間存在正相關(guān)的關(guān)系