TP3b - Système immunitaire Flashcards by Florence Veillette

Q

Parties du thymus?

A

Cortex
Médullaire (corpuscules de Hassal)

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Q

Parties d’un ganglion lymphatique?

A

Cortex (follicules)
Médullaire (sinus et cordons)

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Q

Parties de la rate?

A

Pulpe rouge
Pulpe blanche

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Q

Technique pour le système immunitaire?

A

Immunofluorescence

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Q

Coloration?

A

HES

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Q

Organe?

A

Ganglion lymphatique

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Q

En 1?

A

Cortex

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Q

En 2?

A

Médullaire

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Q

Coloration?

A

HES

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Q

Organe?

A

Ganglion lymphatique (cortex)

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Q

En 1 et 2?

A

Follicule lymphoïde

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Q

En 1?

A

Follicule lymphoïde - manteau (foncé)

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Q

En 2?

A

Centre germinatif (clair)

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Q

En 3?

A

Sinus sous-capsulaire

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Q

En 4?

A

Capsule conjonctive

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Q

Technique?

A

Immunofluorescence

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Q

Organe?

A

Ganglion lymphatique - follicule lymphoïde

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Q

En 1?

A

DAPI : tous les noyaux de toutes les cellules

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Q

En 2?

A

Lymphocytes B (CD20)
- Centre germinatif
- Manteau

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Q

En 3?

A

Lymphocytes T (CD4)
- Autour du follicule

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Q

Technique?

A

Immunofluorescence

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Q

Organe?

A

Ganglion lymphatique fusionné

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Q

En 1?

A

Lymphocytes B :
Cellules volumineuses = centre germinatif

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Q

En 2?

A

Lymphocyte T :
En dehors du follicule lymphoïde

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En 3?

Lymphocytes B : Très dense en cellules = manteau

Coloration?

HES

Organe?

Ganglion lymphatique - médullaire

En 1?

Sinus médullaire (canal)

En 2?

Cordon médullaire

C'est quoi?

Lymphocytes (majorité des cellules)

Coloration?

HES

Organe?

Ganglion lymphatique - médullaire

Structure pointée?

Cellules réticulées (soutien du canal)

Organe?

Thymus

Coloration?

HES

En 1?

Cortex (foncé)

En 2?

Capsule (tissu conjonctif)

En 3?

Médullaire (pâle)

Coloration?

HES

Organe?

Thymus - cortex

En 1?

Septa (tissu conjonctif)

En 2?

Macrophages et cellules épithéliales

En 3?

Cellules T (en cours de maturation)

Coloration?

HES

Organe?

Thymus - médullaire

En 1?

Cellules épithéliales (abondantes)

En 2?

Corpuscules de Hassal = cellules épithéliales en dégénérescence

Coloration?

HES

Organe?

Rate

En 1?

Pulpe blanche

En 2?

Pulpe rouge

En 3?

Capsule (fibro-élastique)

Coloration?

HES

Organe?

Rate - pulpe rouge

En 1?

Parenchyme : macrophages

En 2?

Parenchyme : Cellules sanguines (en transit)

En 3?

Parenchyme : Lymphocytes

En 1, 2 et 3?

Parenchyme

En 4?

Sinus veineux = globules rouges vers la veine splénique

Coloration?

HES

Organe?

Rate - pulpe blanche

En 1?

Artère centrale

En 2?

Follicule lymphoïde : centre germinatif (clair)

En 3?

Follicule lymphoïde : zone du manteau et zone marginale (zone foncée)

2 + 3?

Follicule lymphoïde