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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

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Pars distalis

Pars tuberalis

Pars intermedia

Parsnervosa

infundibulum

Eminenta mediana

Ross Histology 4th edition

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4

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

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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

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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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