sacci

基本解釋

The alveoli of both cap and sacci expand greatly, circumferentially, without any separation of radial components.
在發(fā)育中，花粉帽(近心部分) 和氣囊的小泡皆大大的膨脹，但無任何放射狀成分的分離。
Tapetal cells extend into locules surrounding many microspores during a stage of great vacuolation of microspore cytoplasm, expansion of sacci, and thickness increase of the exine.
此時(shí)氣囊膨脹，花粉外壁亦加厚。關(guān)鍵詞：氣囊小泡，胼脂質(zhì)，花粉外壁內(nèi)層，外壁底層，小孢子，歐洲松，氣囊，孢粉質(zhì)接受粒，營(yíng)養(yǎng)層，四分體，烏氏體。
fossa sacci lacrimalis
淚囊窩
fistula sacci lacrimalis
淚囊瘺
fornix sacci lacrimalis
[醫(yī)] 淚囊穹窿