Not contained in primary follicles
A: Primary oocyte
B: Follicular cell
C: Zona pellucida
D: Cumulus
A: Primary oocyte
B: Follicular cell
C: Zona pellucida
D: Cumulus
举一反三
- Which of the followings can develope into the embryo?() A: The inner cell mass B: The zona pellucida C: The trophoblast D: The blastocyst cavity E: The morula
- ( ) is the main layer in cell wall to provide mechanical support. A: Primary wall B: S1 C: S2 D: S3
- The follicular cells of the thyroid follicles become ( )shaped when they are in an active state.() A: squamous B: cuboidal C: irregular D: columnar E: oval
- The cell in the testis that engulfs and digests the residual cytoplasm of sperm is A: spermatogonia B: interstitial cells C: Sertoli cells D: primary spermatocyts
- 降钙素是由下列哪种细胞分泌： A: Parafollicular cell B: follicular epithelial cell C: chief cell D: acidophilic cell E: chromaffin cell