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

What is fluorescent microscope, What is Fluorescent Microscope? In abo...

What is Fluorescent Microscope? In above said microscopes, image is produced from light that passes through a specimen. In fluorescent microscope, however, specimen image is f

Assessment of exstrophy of the bladder, Assessment You can observe it...

Assessment You can observe it visually at birth. The anterior abdominal wall is absent and the posterior bladder lining which is bright red in colour is exposed. Urine seeps

Explain the steps of converting food into energy, Explain the steps of conv...

Explain the steps of converting food into energy. There are four steps to convert food into energy: a) Ingestion, mastication and swallowing : Ingestion or taking in of food

Determine when the virus is in an inactive state, What is meant when it is ...

What is meant when it is said that a virus is in an inactive state? Viruses considered in inactive state are those whose genetic material is within host cells without synthesis

Nutrition occurs in protozoans, Nutrition occurs in Protozoans All typ...

Nutrition occurs in Protozoans All types of nutrition occur in Protozoa. Some protozoans synthesize their own food from inorganic precursors (carbon dioxide, nitrates or ammon

Viruses, are viruses cellular organisms

are viruses cellular organisms

Explain the four initial stages of the embryonic development, What are the ...

What are the four initial stages of the embryonic development? The four initial parts of the embryonic development are the morula stage, the blastula stage, the gastrula stage

Carditis, It has been shown by prospective studies that Rheumatic heart dis...

It has been shown by prospective studies that Rheumatic heart disease (RHD) is linked to the occurrence of carditis during the first episode of ARF. If the first episode is accompa

Define tests to measure muscular strength and endurance, Define Tests to Me...

Define Tests to Measure Muscular Strength and Endurance? It is important to first understand the difference between muscular strength and endurance. To know the muscular streng

Define harvard step test - aerobic capacity, Define Harvard Step Test - aer...

Define Harvard Step Test - aerobic capacity? In this test, the subject steps on and off an 18-inch platform at a rate of 30 times per minute. The evaluator records the subject'

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