Digestive 1: Parts

Question 1

Oesophage characteristics for:

How do we know we are here
Epithelium de revetement
Chorion Characteristics
Types of Cells in Glands
-Muscularis Mucosae
Sous-Mucosae
-Muscular Layer
Advetice or Sereuse

Answer 1

How do we know we are here: Plis longitudinaux

Epithelium de revetement: Stratified Squamous Epithelium (non-keratinized)

Chorion Characteristics: lymphatic cluster (amas lymphatique)

Types of Cells in Glands: mucous cells

Sous-Mucosae: Gl. muqueuse

Advetice or Sereuse: adventice for the most part and sereuse under the diaphragm

Question 2

Stomach characteristics for:

How do we know we are here
Epithelium de revetement
Chorion Characteristics
Types of Cells in Glands
Sous-Mucosae
Muscular Layer
Advetice or Sereuse

Answer 2

How do we know we are here: Cryptes

Epithelium de revetement: prismatique simple

Chorion Characteristics: Amas (clusters) lymphatique and Gl. tubuleuse

Types of Cells in Glands: C muqeuuse and endocrine as well as Cellules souches
ADD AS WEE THAT AT THE FONDS AND CORPS WE ALSO HAVE CELLULES PARIETALES AND PRINCIPALES

Sous-Mucosae: NO GLANDS

Muscular Layer: like others ( circulaire interne, longitudinal externe) but also oblique interne

Advetice or Sereuse: sereuse

Question 3

At what level do we find the cellules parietales and principales?

Answer 3

FOND ET CORPS D’ESTOMACH

HCL PRODUCTION BABY

Question 4

At what level do we see MUQUEUSE prépylorique and cellules à gastrine?

Answer 4

Stomach at the antre

Question 5

What are the cells that we find in the intestin grele?

Answer 5

cellules absorbante or enterocytes
cellules caliciforme or cellules a goblet
cellules de paneth (at the base, very dark bcz of granules)

cellules souches
cellules entero-endocrine

Question 6

Les valvules conniventes sont des excroissance de quelle couche? What about the villosites? What about microvilosite?

Answer 6

valvules connivente = Sous-muquese
villosites = chorion + epithelium (Muqeuese)
micro vilosite = epithelium (enterocytes)

Question 7

What is one particularity in the intestin grele au niveau de sous-muquese glands?

Answer 7

Cas particulier du duodénum: sa sous-muqueuse contient les glandes de Brunner

Question 8

Function of glycocalyx

Answer 8

Il porte des enzymes qui
terminent la dégradation

protège les entérocytes
exposés à un milieu très
agressif.

Question 9

Role and location of Cellules de paneth?

Answer 9

Logées au fond des glandes de Lieberkühn in the intestin grele

cellules sécrétricese défense exocrines à action antimicrobiennes

Question 10

Role and location of plaque de payer?

Answer 10

Ileon
Infiltrations lymphocytaires les plus importantes du tube
digestif