Digestive... *general/Histology* Flashcards Preview

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Flashcards in Digestive... *general/Histology* Deck (11):
1

Ingestion, Propulsion, Mechanical Digestion, Chemical digestion, Absorption and Defecation are all parts of which process?

Digestive

2

Most Digestive organs are covered by Serous Membrane known as (outer covering) ____________

Visceral Peritoneum

3

The Space between the Visceral and Parietal Peritoneum

Periotoneal Cavity

4

What purpose does the Peritoneal fluid serve in the Peritoneal Cavity?

Lubricates the visceral and peritoneal membranes... decrease friction

5

_________ allow segments of the digestive tract to be suspended... This structure also provides passage for blood vessels, nerves, and lymphatic vessels.

Mesenteries

6

What Organs have no Mesentery? (within the digestive system)
*What is the special name for these guys*

Pancreas & Large Intestine

These structures are called retro-peritoneal

7

Walls of the Digestive Tract consist of 4 layers... What are they going from the "Inside --> Out" ?

Mucosa --> Submocosa --> Muscularis Externa --> The Serosa

8

What is the Mucosa composed of? (2 major terms/layers)

Epithelial Layer: Stratified... Oral cavity, Esophagus... Simple (stomach, small intestine)

Lamina propria: blood vessels, mucous glands, sensory nerve endings ...

9

One of the 4 tissue layers of the Alimentary Canal **Mocosa, Submucosa, Muscularis externa and Serosa** is responsible for Peristalsis... which one is it?

Muscularis externa... This region is dominated by smooth muscle cells

10

This layer of alimentary canal contains, blood vessels and some exocrine glands that secrete buffers/enzymes into lumen of digestive tract... which one?

Submucosa

11

This layer of alimentary canal lines most of the digestive tract inside peritoneal cavity.

Serous Membrane