air sac：氣囊

鳥類的呼吸系統(tǒng)十分特化,表現(xiàn)在具有非常發(fā)達(dá)的氣囊(air sac)系統(tǒng)與肺氣管相通連. 氣囊廣布于內(nèi)臟人人人人人艹、骨腔以及某些運(yùn)動(dòng)肌肉之間. 氣囊的存在,使鳥類產(chǎn)生獨(dú)特的呼吸方式--雙重呼吸(dual respiraton),這與其他路棲脊椎動(dòng)物僅在吸氣時(shí)肺內(nèi)進(jìn)行氣體交換有顯著不同.

air sac：肺泡

air medicine 航空醫(yī)學(xué) | air sac 肺泡 | air sickness 航空病

air sac：気嚢

agglutinin-凝集素性 | air sac-気嚢 | albinism-色素欠乏癥

air sac：氣囊(孢粉)

氣裂碎屑的 gasoclastic | 氣門(昆蟲)柱頭 stigma | 氣囊(孢粉) air sac

axillary air sac：腋氣囊;腋下氣囊

\\"腋的;腋羽\\",\\"axillary\\" | \\"腋氣囊;腋下氣囊\\",\\"axillary air sac\\" | \\"腋域;翅后域\\",\\"axillary area; anal area\\"

cervical air sac：頸部氣囊

"塞維拉香腸","cervelas; cervelat" | "頸部氣囊","cervical air sac" | "頸部淋巴腺炎","cervical lymphadenitis"

lacrimal sac pneumatocele：淚囊氣腫

淚腺腺癌 adenocarcinoma of lacrimal gland | 淚囊氣腫 lacrimal sac pneumatocele | 淚囊瘺管 lacrimal sac fistula

sac; saccus：囊

針囊管 sac tube | 囊 sac; saccus | 蔗糖酶;轉(zhuǎn)化酶 saccharase

Omenta bursa, lesser sac：網(wǎng)膜囊,小囊

Peritoneal cavity,greater sac 腹膜腔,大囊 | Omenta bursa, lesser sac 網(wǎng)膜囊,小囊 | Omental foramen, epiploic foramen網(wǎng)膜孔

embryo sac：胚膜

embryo of a plant seed ==> 植物種子的胚 | embryo sac ==> 胚膜 | embryo sac haustorium ==> 胚囊吸器