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Histología A.R. Masc

Aparato R. Masculino

TermDefinition
Aparato Reproductor Masculino Esta formado por los testiculos, vías genitales espermaticas, glándulas accesorias, y los genitales externos
Glandulas accesorias Vesiculas seminales, la prostata y las glandulas bulbouretrales
Genitales externos Pene y el escroto
Esteroidogenesis Sintesis de androgenos como la testosterona
Gen SRY Desencadena la determinación sexual de las gonadas en los testiculos. Exclusivo de las C. de pre-Sertoli Ubicado en el brazo corto del cromosoma Y
Gonocitos Precursores de las Espermatogonias
Composición celular de los cordones sexuales primarios. Celulas germinales primordiales, Células de Pre- Sertoli y Células mioides.
Cordones seminiferos Diferenciacion de los cordones sexuales primarios
Tubulos seminiferos, tubulos resctos y la red testicular Lo que da lugar los cordones seminiferos
Mesodermo Intermedio Da origen a las Células de Leydig
Da origen a las celulas intersticiales de Leydig El mesenquima que separa los cordones seminiferos
Celulas de Leydig Producen Testosterona
Celulas de Sertoli (sustentaculares) Producen MIF (Factor inhibido mulleriano)
Gubernaculum Testis Ligamento sensible a la testosterona que conecta el polo inferior de cada testículo con el escroto en desarrollo
Tunica Vaginal Extension del peritoneo abdominal
Músculo Cremaster Responde a los cambios de temperatura ambiental
Musculo dartos Músculo liso que responde a las bajas temperatiras en la fascia superficial del escroto.
Túnica albuginea Capsula de Tejido conjuntivo que tienen los testiculos
Division de los testiculos en 250 lobulillos aproxiamadamente, mediante tabiques de Tejido conjuntivo
Mediastino testicular A lo largo de la superficie posterior del testiculo la tunica albugínea se mete dentro de organo para formarlo.
Lobulillo Compuesto por varios tubulos seminiferos muy enrollados (de uno a cuatro).
Tubulos seminiferos Producen espermatozoides
Created by: Cesards
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