The Gastrointestinal System Flashcards Preview

Botany > The Gastrointestinal System > Flashcards

Flashcards in The Gastrointestinal System Deck (9):
1

ICOL
Auerbach’s or Myenteric plexus

MUSCULARIS EXTERNA

2

Contains, blood vessels, lymph vessels and nerves

SEROSA or FIBRO-SEROUS COAT

3

Types of Cells

1. Chief or Zymogenic- Principal cells
2. Parietal or Oxyntic or HCl cells-
acid-forming cells; secrete HCl
and intrinsic factor
3. Mucous neck cells
4. Enteroendocrine cells

4

Simple tubular glands
Granule cells of Paneth
Contains bactericidal enzymes
Absent in the large intestine

Intestinal Glands

5

function of Large Intestine

Functions:
Absorption of water
Formation of fecal mass
Secretion of mucus
Food absorption no longer a function

6

ACCESSORY GLANDS of GIT

Liver
Gall bladder
Pancreas
Salivary glands- Parotid, Sublingual, Submandibular

7

type of salivary gland

- PURELY SEROUS ACINI (ACIDOPHILIC GRANULAR CYTOPLASM, SMALL LUMEN, ROUND NUCLEI )
- PROMINENT INTRALOBULAR DUCT
- ABSENCE OF ISLETS OF LANGERHANS

PAROTID

8

type of salivary gland
- MIXED GLAND, PREDOMINANTLY MUCUS (SLIGHTLY BASOPHILIC CYTOPLASM, WIDE LUMEN, FLAT NUCLEI)
- THINNER AND LONGER DEMILUNES IN ITS MUCUS ACINI
- ABSENT INTERCALARY DUCT

sublingual

9

type of salivary gland
- MIXED GLAND , PREDOMINANTLY SEROUS
- SHORTER AND THICKER DEMILUNES IN ITS MUCUS ACINI
- INTRALOBULAR DUCT NOT AS PROMINENT AS PAROTID

submandibular

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