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Glande endocrine
fara duct excretor
parenchim organizat in insule, cuiburi, cordoane saufoliculi
vascularizatie bogata
elimina produsul de secretie in sange
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Hipofiza
3
Pars distalis
Pars tuberalis
Pars intermedia
Parsnervosa
infundibulum
Eminenta mediana
Ross Histology 4th edition
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Hipofiza
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Hipofiza
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Ross Histology 4th
edition6
Tipuri celulare
cromofile: acidofilesi bazofile
cromofobe
Capilare sinusoide
Adenohipofiza
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Adenohipofiza
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Pars intermedia cordoane cu celule bazofile si cromofobe resturi din punga Rathke foliculi
8
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Neurohipofiza
- structura predominant fibrilara - prelungiri nemielinizateale neuronilor secretori hipotalamici
- celule stromale pituicite (~ celule gliale)
- corpi Herring - dilatatii axonale, cu granule de secretie
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Neurohipofiza NeurohipofizaPAS/orange G
corpii Herring
pituicite
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Tiroida
organizata inlobuli
celulele endocrineorganizate infoliculi cu coloid
11
lobulfoliculi
Septuri
interlobulare
tiroida - HE
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Tiroida
Foliculi tioridieniSepturi
conjunctive
Vase sanguine
coloid
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Tiroida
Tipuri celulare
tireocite (celulefoliculare)
celule C
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Suprarenala 2 componente: corticosuprarenala si medulosuprarenala
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Corticosuprarenala
Zone:
glomerulara
fasciculata
reticulara
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Corticosuprarenala zona glomerulara
Arcuri de cerc, gramezi
Celule acidofile, mici
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Corticosuprarenala
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Corticosuprarenala zona
fasciculata
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Cordoane paralele
Celule cu citoplasmavacuolaraspongiocite
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Cordoane retea cu ochiuri mici
Celule acidofile, mici
Corticosuprarenala zona reticulara
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Medulosuprarenala Organizare in cordoane retea cu ochiuri mari
Tipuri celulare: neuroni modificati cu caracter secretor sicelule ganglionare
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Zona reticularisZona medularis
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Epifiza
Organ parenchimatos cucuiburi si cordoane
celulare Tipuri celulare
celule principale
celule gliale
Nisip cerebral
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Pancreas endocrin
Insule Langherhans
Tipuri celulare
imunocitochimie
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