Which of the following secrete testosterone?
a. Secondary follicle
b. Sertoli cells
c. Seminal vesicles
d. Leydig cells
d. Interstitial endocrinocytes
Answer: d. Leydig cells
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Endochondral ossification begins with
A) elastic cartilage. B) articular cartilage. C) hyaline cartilage. D) fibrocartilage. E) None of the answers are correct.
The ________________________________________ is a sac embedded in the liver that stores bile for later use
Fill in the blank(s) with correct word
Norepinephrine and epinephrine are produced by:
A) the parathyroid glands B) the adrenal cortex C) the adrenal medulla D) the gonads
Choose the one trait that does not characterize the structure of a nephron.
A) There are two coiled portions of the renal tubule. B) The glomerular capsule contains podocytes and slit pores. C) Blood that will be filtered flows into the glomerular capsule. D) Several nephron tubules merge to form a collecting duct.