fotos de histologia urinario
TRANSCRIPT
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Puntero en podocitoPolo vascular(macula
densa)Es donde entrany salen
los vasos aferentes y eferentes
Polo urinarioProlongacion de la capsula enV
tubulo contorneado procimal
se reconoce por la continuacion delE.S plano a ES cubico de
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SISTEMA URINARIO
Lam. 72-RiñónLam. 8-Vejiga Lam. 73-Ureter
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Lamina 72-Riñón unilobular
de rata
Papila renal
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Capsula renal:Tej.conjuntivo
Tej.denso irregular
Corpusculorenal(capsula de
bowman + glomerulo
corteza cortici ocortezasubcapsular(no hay glomerulos)
corteza renal
corteza propiamentedicha(hay glomerulos)
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Corteza cortici(mas cerca)
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Túbulo contorneado proximal
epitelio cubico simple con ribete
en cepillo
ubicacion:cortezapropiamente dicha(hay glomerulos)
función:reabsorver agua y sodio
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Túbulo contorneado distal
Tej.epitelialepitelio simple
cubico
ubicacion:desde la banda interna de la medula
externahasta corteza
funcion:reabsorcion de sodio y
ion bicarbonato
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Túbulo Contorneado Distal
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Túbulo contorneado distal
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Epitelio simple plano en hoja parietal de cápsula de bowman
Hoja viceral
Espacio de Bowman(entre la hoja parietal
visceral)
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Puntero en células mesangiales y algunas células endoteliales
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Puntero en células mesangiales
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Célula endotelial
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Aparato yuxtaglomerular
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Aparato yuxtaglomerular
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Aparato yuxtaglomerular, arteriola al costado.Túbulo contorneado distal pegado a la base del glomérulo
Celula endotelial ,recubre a los
capilares
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Ap. yuxtaglomerular
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Zona extramesangial-cel.la...(algunas medias alargadas)
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médula:
• Ausencia de glomérulos
• Está mas coloreada
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Rama gruesa del asa de Henle
Células bien definidas
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Glomerulo (madeja de capilares parecido a fenestrados )
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Aparato yuxtaglomerular(macula densa,cel.mesangilaes
extraglomerulares,celyuxtaglomerulares)
macula densaatr,aferente
(cel,yuxtaglomerular)
secreta renina,y es un sensor volumen sangineo y composicion del liquido tubular
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arteria aferente y eferentemacula densa
(tubulo contorneadodistal)
art.aferente
art.efernte
art.aferente tiene diametro externo mas grande q art.efernte
cel.yuxtaglomerulalaresactivan sist.renina angiotensina
aldosterona,secretanrenina
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Zona extramesangial(cel. de laci o Goormaghtigh)
ubicacion:'polo vascular
funcion:fagocita a la menbrana
basal glomerular
nucleo mas claro
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Rama gruesa del asa de henle
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Arteria interlobulillar(de arriba abajo)
Las arciformes son las transversales
Se dirige ala corteza sige las columnas renales
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Conducto colector-epitelio simple cubico y ancho
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Rama gruesa asa de henle
Epitelio simple cubico,menos
acidofilo y luz de > diametro qlas
tubulocolector
Tubulo colector
Ubica :zona externa medula
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Rama delgada asa de henleEpitelio simple plano,con
nucleos q hacen prominencia a la luz
Ubica:banda interna de lazona externa y en la zona
interna de la medula
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Cápilar peritubular
elaboran eritopoyetina
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Túbulo colector
Epitelio simple cúbico
Ubicación medula profunda
Transporta y modifica el ultrafiltrado de la nefrona a los calices menores
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Conducto de bellini o tubulo colector papilar
Transporta orina hacia el calis
menor
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Papila(epitelio cubico bisceriado): donde desembocan los túbulos colectores
espacio
Cáliz
Epitelio cúbico bisereado
papila
Epiteio polimorfo
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Arteriola aferente y eferente
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Arteriola aferente
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Arteriola aferente
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Arteriola aferente
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Arteriola eferente
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Asa de Henle
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Asa gruesa descendente de Henle
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Cápsula con tejido adiposo perineal
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Cápsula TCDI
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Célula de dogiel
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Célula mesangial
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Célula yuxtaglomerular
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Células de la mácula densa
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Células lasis
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Células lasis
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Cortis corticea
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Espacio pielocaliceal
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Espacio pielocaliceal
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Fibra muscular lisa
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Horquila de túbulo contorneado proximal
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Horquilla del túbulo contorneado proximal
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Mácula densa
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Médula interna
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Podocito
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Polo urinario
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Porción ascendente del asa de henle
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Arteriola aferente, arteriola eferente, mácula densa, lasis
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Arteriola aferente, Arteriola eferente, mácula densa, lasis
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Tubo colector
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Túbulo contorneado distal con mácula densa
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Túbulo contorneado proximal
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Túbulo contorneado distal