查询词典 sperm sac

The ovary of Phyllostachys praecox had one anatropous ovule. The crassinucellate ovule had diploid integuments. The monosporic embryo sac had one tetrad which turned on line and many antipodal cells. The synergid had the obvious filiform appratus.

3雷竹子房1室，内具1个倒生胚珠；双珠被，厚珠心；蓼型胚囊，单孢发育，线形大孢子四分体，具多个反足细胞，助细胞具明显丝状器。

Syringomyelia is a condition where a fluid filled sac develops in the spinal cord.

脊髓空洞症是一种脊髓病变，脊髓内形成包含液体的囊。

They have turned aside quickly out of the way which I commanded them: they have made them a molten calf, and have worshipped it, and have sac***ficed thereunto, and said, These be thy gods, O Israel, which have brought thee up out of the land of Egypt.

32：8 他们快快偏离了我所吩咐的道，为自己铸了一只牛犊，向它下拜献祭，说，以色列阿，这就是领你出埃及地的神。

This article deals with the contamination and control observation of Trinitrotoluene in ocular conjunctivat sac of 20 rabbits in groups.

水文对20只实验家兔分组进行眼结膜囊内三硝基甲苯染毒和对照观察。

Monosomic 3, monosomic 5, monosomic 10, trisomic 4 and trisomic 5 as experiment materials, their meiosis behavior of pollen mother cell, pollen characteristics, physiological and biochemical characteristics of anther, section observation of pollen development and the structure of embryo sac were studied, and the effects on the seed set and transmission rate were analyzed.

本文以大白菜同源四倍体小孢子培养产生的且已鉴定为3号单体、5号单体、10号单体、4号初级三体、5号初级三体的非整倍体株系及二倍体株系等为试材，对各材料的结籽率、雄配子传递率进行了统计，并对花粉母细胞减数分裂行为、花粉特性、花粉发育和胚囊结构以及花药生理生化特性等方面进行了观察研究，进而分析了其对大白菜单体n-1雄配子和三体n+1雄配子传递率的影响。

Results Apart from100%of delineating of the four rectus muscles,optic nerve and lacrinal gland,CT was able to depict not only about50%of oblique muscle,superior ophthalmic vein,ophthalmic artery and the trochlea,but also musculotendinous ring,aterior ethˉmoidal artery,posterior ethmoidal artery,medial and lateral long posterior ciliar artery,central retinal artery,inferior ophˉthalmic vein,supraorbital nerve,lacrimal sac,nasolacimal duct etc.

结果 眼眶水平CT断层扫描除对4条直肌、视神经、泪腺100%显示外，上斜肌、眼上静脉、眼动脉、滑车的显示率在近半数。另外，肌腱环、筛前筛后动脉、内外侧睫状后长动脉、视网膜中央动脉、眼下静脉、肌支动脉、眶上神经、泪囊、鼻泪管等也可显示。

At the mixed nutrition stage larvae lived on nutriment from yolk sac and oil globules, in addition to feeding on particulate organic detritus containing Tintinnopsis spp., also on few of trochophore and veliger of bivalve and trochophore of Polychaeta in water of the earthen ponds.

混合营养期仔鱼除依靠吸收卵黄囊和油球为营养以外，还从土池水体中摄食含有拟铃虫的颗粒有机碎屑以及少量的双壳类担轮幼体、面盘幼体和多毛类担轮幼体。

"An organic sac or pouch, such as the udder of a cow ."

有机体器官的液囊或袋，如牛的乳房。

An organic sac or pouch, such as the udder of a cow .

牛的乳房有机体器官的液囊或袋，如牛的乳房

So the whole volume of the oil cell is filled by a large vacuole, which becomes the oil sac finally.

当油细胞成熟时，其细胞质和细胞核解体，而大液泡充满整个油细胞腔，成为储油的囊。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？