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

Proteins, what is he importance of proteins for living beings

what is he importance of proteins for living beings

How many different genotypes can the individual present, Considering a pair...

Considering a pair of homologous chromosomes containing a gene having two different alleles how many different genotypes can the individual present? If a gene of a diploid spec

Describe protein glycosylation, Protein Glycosylation is the reaction in th...

Protein Glycosylation is the reaction in that a carbohydrate, example for a glycosyl donor that is attached to a hydroxyl or other functional set of another molecule a glycosyl acc

Can you explain about cardiomyopathies, Q. Can you explain about Cardiomyop...

Q. Can you explain about Cardiomyopathies? Cardiomyopathy is a primary disorder of heart muscle that may cause cardiac dysfunction and is not related to any obvious disease pr

Polytene chromosomes, PO L YTEN E CHROMOSOMES First seen by Balb...

PO L YTEN E CHROMOSOMES First seen by Balbiani in salivary glands of larva of Chironomus insect (belongs to order Diptera). Later on such chromosomes observed in severa

Name the joint disorders that s more a risk, In Reggie's case, he fractured...

In Reggie's case, he fractured the proximal end of his right femur, an integral component of his hip. Name the joint disorders that Reggie is more a risk of in (a) the short term a

Explain about hyperglycemia, Q. Explain about Hyperglycemia? It is a Gr...

Q. Explain about Hyperglycemia? It is a Greek term: hyper -meaning excessive; glyc- meaning sweet; and emia- means "of the blood". It is a condition in which an excessive amoun

Explain class oligochaeta - earthworms in details, Explain Class Oligochaet...

Explain Class Oligochaeta - Earthworms in details? This group of annelids includes the earthworms. Oligochaetes live in the soil or in fresh water habitats, and a few inhabit m

Causes of air pollution, Causes of Air Pollution We known about the c...

Causes of Air Pollution We known about the composition of atmosphere, its major and minor constituents. The composition of atmosphere has remained the same for thousands of y

Calculate the insulin bolus and drip rate , Mrs. M is a 35-year-old Hispani...

Mrs. M is a 35-year-old Hispanic female with no known past medical history; does not have a primary care provider (PCP). She presents to the emergency department with the following

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