囊内的 meaning in English

intracapsular
intracystic
intrasaccal
intravesical

In order to understand the mechanism of spermatozoa living in the spermatheca after copulation , hematoxylin - eosin dyeing method is used to discover the microstructure of the spermatheca by light microscope
为进一步了解雌雄个体交配后精子在受精囊内的存活的机制，采用h - e法，在光镜水平上研究了受精囊的显微结构。
Embryological studies reveal that megaspore and such cells as egg , synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation
胚胎学观察揭示大孢子与胚囊内的卵细胞、助细胞和反足细胞均有可能在培养中启动分裂，通过胚状体或愈伤组织形成单倍体植株。
One possible mechanism is that the valve of the veins in the scrotum becomes defective . this results in blood pooling in the vein . inefficient blood flow causes the veins to enlarge and form a varicocele
而精索静脉曲张产生的原理，其中一个原因可能是由于阴囊内的静脉活瓣失去功效，导致血液于静脉积聚，令静脉扩大并做成曲张。