What role does LH play in stimulating sperm production?
A. LH targets the interstitial cells between seminiferous tubules in the testes, telling them to produce testosterone.
B. LH stimulates sustenacular cells in the seminiferous tubules to produce androgen-binding protein.
C. LH allows testosterone to accumulate in the tubules to initiate sperm production.
D. None of these are correct.
Answer: A
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Which of the following statements concerning the embryonic cardiovascular system is true?
A. The heart develops from four endothelial tubes. B. The bulbus cordis becomes the sinoatrial node (the adult pacemaker). C. Blood vessels form from blood islands. D. An opening in the interatrial septum is called the sinus venosus. E. There is an opening in the interventricular septum.
The utricle and saccule contain the sensory receptors associated with the sense of
dynamic equilibrium. Indicate whether the statement is true or false
Briefly describe what is happening in each step of fracture repair shown in the diagram
What will be an ideal response
Which portion of the peritoneum drapes over the transverse colon and coils of the small intestine?
a) Greater omentum b) Falciform ligament c) Lesser omentum d) Mesentery e) Mesocolon