Digestive system - small intestine, Biology

Assignment Help:

SMALL INTESTINE -

A narrow tube 6 m long. In rabbit 4 m. long.Differentiated into duodenum, jejunum & Ileum.

(i) Duodenum -

2.5 cm long. C-shaped (U-shaped in rabbit).

It receives hepatopancreatic duct formed by the union of bile duct & pencreatic duct.

It opens at papillae of veter point, here splinctor of Oddi present.

In submucosa Brunner's glands present, open at crypt of leihberkuhn.

Villi are large.

(ii) Jejunum -

2.4 m long. It's walll is thicker and more vascular then ileum.

(iii) Ileum -

3.6 m long. Wall is thiner and less vascular.

On wall Payer's patches (30-60, yellow, lymphoid tissue) are present.

Brunner's glands are absent. Here surface area is increased, 600 times by there ways.


Related Discussions:- Digestive system - small intestine

Explain the position of the endospore, Explain the Position of the endospor...

Explain the Position of the endospore? Endospore cannot be stained by ordinary methods such as simple staining and gram staining because these dyes do not penetrate the wall of

Initial phase for nutritional treatment of neuro trauma, Define Initial Pha...

Define Initial Phase for nutritional treatment of neuro trauma patients? In this, the life threatening conditions need to be controlled first.  Soon the nutritional support mu

Pathophysiology and assessment of patent ductus arteriosus, Pathophysiology...

Pathophysiology   If  the ductus arteriosus does not close after birth, the higher pressure in the aorta than in the pulmonary artery causes the blood to flow from the aorta, t

Explain the spinal cord and its function, Spinal cord The elongated par...

Spinal cord The elongated part of CNS that runs downward in the spinal canal as continuationof medulla oblongata is called spinal cord. The functions of the Spinal Cord are

Stock concentration of dopamine, a) A cat has just arrived to the veterinar...

a) A cat has just arrived to the veterinary clinic with low blood pressure. The cat weighs 5 kg, and as the on call Vet you want to use a bag of saline to prepare a dopamine drip f

Phylum, morphological characterstics of e histolytica

morphological characterstics of e histolytica

Explain about the nucleoproteins, Explain about the Nucleoproteins? Nuc...

Explain about the Nucleoproteins? Nucleoproteins are combinations of nucleic acids land simple proteins, which usually consists of a large number of basic amino acids. Nucleopr

Classification of enzymes, Classification of Enzymes : Enzymes are clas...

Classification of Enzymes : Enzymes are classified  into the following six main categories in according with  the nature of reaction the catalyze: 1.      Oxidoreductases

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd