NBME 20

nbme20/Block 4/Question#1

A 32-year-old man comes to the physician because of ...

Tissue: testicle; Effect: estradiol production

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submitted by step420(12),

B-HCG and LH,FSH,TSH share same alpha subunit, so HCG can activate those receptors if its in high enough quantity. Activating LH receptor will lead to more Testosterone from the Leydig cells. More testosterone can lead to more estrogen formation via aromatase.