MP3 Histo - Syst. endocrinien (pratique seulement) Flashcards by Kayla Cyr

Q

A

A

Follicules thyroïdiens

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Q

B

A

Capsule

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Structure

A

Thyroïde

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A

A

Capsule

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Q

Structure

A

Thyroïde

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Q

A

A

Follicules thyroïdiens

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Structure

A

Follicule thyroïdien

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Q

A

A

Lame basale

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Q

B

A

Epithelium (thyréocytes)

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Q

C

A

Colloïdes

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Q

A

A

Thyréocytes

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Q

B

A

Colloïde

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Q

Structure

A

Thyroïde

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Q

Comment explique t’on les “bulles blanches” sur le côté du colloïde?

A

Pour sécréter les hormones, les thyréocytes absorbent le colloïde par endocytose, le digèrent et ensuite libèrent les hormones thyroïdiennes du colloïde dans le sang.

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Q

A

A

Follicule actif

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Q

Structure

A

Thyroïde

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Q

Flèche bleue

A

Pour sécréter les hormones, les thyréocytes absorbent le colloïde par endocytose, le digèrent et ensuite libèrent les hormones thyroïdiennes du colloïde dans le sang.

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Q

A

A

Cellules C

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Q

B

A

Fibroblastes

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Structure

A

Thyroïde (tissu périfolliculaire)

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Q

Rond jaune?

A

Parathyroïde

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Q

A

A

Cellules principales

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Q

B

A

hormone parathyroïdienne

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Q

C

A

Capsule

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Structure

A

Parathyroïde

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Q

A

A

Cellules principales

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Q

B

A

Fibrocytes - réticuline

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Q

c

A

collagène

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Structure

A

Parathyroïde

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Q

Cellules rouges

A

Cellules oxyphiles

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Cellules bleues

A

Cellules principales

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Structure

A

Parathyroïde

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Q

Identifier ‘text’ (sorry)

A

Îlots de Langerhans

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Q

Structure

A

Pancréas

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Rond jaune

A

Ilots de langerhans

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Structure

A

Pancréas

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Q

A

A

Ilots de Langerhans

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Structure

A

Pancréas

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Q

A (cellules entourées d’un cercle)

A

Cellules C

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Q

B

A

Cellules alpha (qui produisent du glucagon)

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Q

C

A

Cellules beta (qui produisent de l’insuline)

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Q

Structure (encerclée)

A

Pancréas (ilot de langerhans)

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Q

A

A

Neurohypophyse

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Q

B

A

Adénohypophyse (lobe intermédiaire, pars intermedia)

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Q

C

A

Fente hypophysaire

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Q

D

A

Adénohypophyse (pars distalis, lobe antérieur)

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Q

Structure

A

Hypophyse

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Q

A

A

Neurohyophyse

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Q

B

A

Adénohypophyse

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Q

C

A

Lobe intermédiaire de l’AH

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Q

D

A

Lobe antérieur de l’AH

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Q

Structure

A

Hypophyse

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Q

A

A

Cellules acidophiles (rouges)

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Q

B

A

Cellules basophiles (mauve? bleue?)

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Q

Structure

A

Hypophyse (adénohypophyse)

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Q

A

A

Cellules basophiles

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Q

B

A

Cellules acidophiles

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Q

Structure

A

Hypophyse (adénohypophyse)

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Q

A

A

Cellules acidophiles

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Q

B

A

Cellules basophiles

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Q

C

A

Cellules chromaphobes

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Q

Structure

A

Hypophyse (adénohypophyse)

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Q

Flèches jaunes?

A

Cellules acidophiles

Q

Flèches bleues?

A

Cellules basophiles

Q

Structure

A

Hypophyse

Q

A

A

Capillaire

Q

B

A

Pituicytes

Q

C

A

Axones

Q

Structure

A

hypophyse (neurohypophyse)

Q

A

A

Cortex

Q

B

A

Zone arquée / glomérulée

Q

C

A

Zone fasciculée

Q

D

A

Zone réticulée

Q

E

A

Région médullaire

Q

Structure

A

Surrénale

Q

A

A

Capsule

Q

B

A

Ramicules de cellules / collagène

Q

C

A

Zone glomérulée (formes de rosette)

Q

Structure

A

Surrénale

Q

Différence entre les deux

A

Gauche : zone glomérulée (ruminants, humains, rongueurs)

Droit : zone arquée (cheval, carnivores, porc)

Q

A

A

Cortex surrénalien

Q

B

A

Médulla

Q

Structure

A

Surrénale équine

Q

Qu’est-ce?

A

Zone arquée de la surrénale équine

Q

Gauche de la ligne

A

Zone glomérulée

Q

Droite de la ligne

A

Zone fasciculée

Q

Structure

A

Surrénale

Q

?

A

Cordons de la zone fasciculée

Q

A

A

Spongiocytes

Q

B

A

Fibroblastes

Q

h?

A

cortisol

Q

Structure

A

Surrénale (z fasciculée)

Q

A

A

Zone fasciculée

Q

B

A

Zone réticulée

Q

h?

A

Cortisol (peu) et précurseurs d’androgènes

Q

Structure

A

Surrénale

Q

A

Cellule riche en lipofuscine de la surrénale (z réticulée)

Q

A

A

Zone réticulée

Q

B

A

Région médullaire

Q

C

A

Sinusoïdes

Q

Structure

A

Surrénales (médulla)

Q

A

A

Glande pinéale

Q

B

A

Pie mère

Q

C

A

Ventricule

Q

D

A

Plexus choroïde

Q

Structure

A

Glande pinéale

Q

A

A

Pie mère

Q

Flèche de gauche

A

Capsule conjonctive

Q

Flèche de droite

A

Cellules épandymaires

Q

Structure

A

Glande pinéale

Q

Flèche bleue

A

Astrocytes

Q

Flèche noire

A

Pinéalocytes

Q

Structure

A

Glande pinéale

Q

A

A

Astrocytes

Q

B

A

Capillaires

Q

Structure

A

Glande pinéale

Q

?

A

Sable pinéale chez le vieil animal (dépôts de calcium) dans la glande pinéale

Q

?

A

Pancréas (normal)

Q

?

A

Surrénales (normales)

Q

?

A

Thyroïde (normale)

Q

A

Pancréas endocrine - cellule C

Q

Pointeur?
Côtés de l’ilot? Centre de l’ilot?

A

Pancréas endocrine - cellule A au pointeur

Périphérie : cellules A
Restant de l’ilot : cellules B

Q

A

Pancréas endocrine - on voit les ilots de langerhans

Q

A

Parathyroïde

Q

A

Parathyroïde

Q

A

Thyroïde - au pointeur, cellule C puis colloïde

Q

A

Thyroïde - follicule en intense activité (épithélium simple cylindrique et peu de colloïde)

Q

A

Thyroïde - au pointeur, thyréocytes / cellules folliculaires formant un épithélium simple cubique

Q

A

Thyroïde - au pointeur, noyau long d’un fibroblaste

Q

A

Thyroïde - au pointeur, une portion de la capsule conjonctive

Q

A

Thyroïde

Q

A

Glande pinéale

Q

A

Capsule conjonctive de la glande pinéale

Q

A

Glande pinéale - regroupement de pinéalocytes au pointeur

Q

A

Glande pinéale - astrocyte

Q

A

Glande pinéale, capillaire en coupe longitudinale

Q

A

Adénohypophyse, cellule acidophile

Q

A

Pancréas endocrine, cellule C

Q

A

Cortex de la surrénale, zone fasciculée, spongiocyte

Q

A

Cortex surrénal - gauche, fin de la zone fasciculée; droite, début de la zone réticulée

Q

A

Cortex, zone réticulée - cellule riche en lipofuscine

Q

A

Surrénale, entre médulla et cortex

Q

A

Médula surrénale

Q

A

Médula surrénale, capillaire de grand calibre

Q

A

Stroma / squelette conjonctif de la surrénale

Pointeur : infiltration de tissu conjonctif à l’intérieur du cortex

Q

A

Surrénale équine (zone arquée)

Q

A

Cortex de la surrénale, zone fasciculée

Q

A

Cortex de la surrénale, zone fasciculée - fibroblaste au pointeur

Q

A

Hypophyse

Q

A

Hypophyse - lobe intermédiaire de l’adénohypophyse

Droite du pointeur : lobe postérieur de la neurohypophyse

Q

A

Neurohypophyse

Q

A

Neurohypophyse - pituicyte

Q

A

Surrénale

Q

A

Adénohypophyse - cellule basophile

Q

A

Adénohypophyse - cellule chromophobe