Flashcards in Facts to know Deck (11)
-req for cytoplasmic bridges in spermatogenesis
-Absent or defective dynein/flagellar proteins so sperm can't move=infertile
-associated with resp infections
-does not make females infertile
What is the lower part of the vagina derived from?
Endoderm of urogenital sinus (which gives rise to bladder and urethra in both sexes)
What embryologic type are the dcuts?
During embryo, what do sertoli cells do?
1. Block spermatogenesis
2. Induce Leydig cell formation
3. Produce AMH
In males, what induces mesoderm and what induces endoderm to form sex stuff?
Where ejactulatory ducts open in the prostate
-TZ and submucosal layer
-Lower urinary tract symptoms (LUTS)
-Hormonal changes based
Most abundant grade + highest grade seen in PCA
-Maldescent of one testis
-S tubule is thicker, so T cannot get into it
-Contralateral testis may also show pathologic changes
-Inc risk of neoplasia in both gonads