Digestive system - buccal cavity, Biology

Assignment Help:

BUCCAL CAVITY -

  1. Situated between upper & lower jaw. It is lined by stratified squamous epithelium.
  2. Separated from nasal chamber by palate. Palate forms roof of buccal cavity.
  3. Palate is modification of premexilla, maxilla and palatine bones.
  4. Anterior palate is hard palate due to palatine ridges or rugae.
  5. Posterior palate is soft palate without rugae, in the end it forms UVULA or Velum peleti.
  6. Uvula is made up of connetive tissue & muscles.
  7. Close to velum peleti in pharyangeal wall 6 tonsils present.
  8. Tonsils are made up of lymphoid tissue, commonly known as guard of body.
  9. Tonsils are arranged in the form of a ring. The ring of tonsils is called Waldeyer's ring.
  10. The tonsils present in man are - nasopharyngeal tonsils, tubal tonsils, paltine tonsils and lingual tonsils.

Related Discussions:- Digestive system - buccal cavity

Genetics, polymorphism and its causes

polymorphism and its causes

Cyclostomes - regeneration in vertebrates, Cyclostomes - Regeneration in Ve...

Cyclostomes - Regeneration in Vertebrates The larvae of the lampreys between the jawless primitive fishes are able to regenerate their amputated tail. Blastema is made at the

Explain pennate diatomsrole in diatoms, Explain Pennate diatomsrole in diat...

Explain Pennate diatomsrole in diatoms? Pennate diatoms have bilateral symmetry, which presents side-by-side mirror images if divided down the middle or centerline, as seen

Abrasive action of water and wind, Abrasive action of water, ice and wind ...

Abrasive action of water, ice and wind Water is an important mechanical weathering agent both in liquid as well as in the frozen state.  Rain water carrying sediments, ice glac

Define nutrient requirements during the periods of pregnancy, Define nutrie...

Define nutrient requirements during the periods of pregnancy? In the previous unit, we learnt about the basic principles of meal planning and the various considerations and gui

Explain the process of repositioning - endodontic surgery, Explain the Proc...

Explain the Process of Repositioning - Endodontic Surgery 1. Reposition the flap gently, 2. Approximate incision lines closely as possible 3. Pressure application "surgic

Determine the steps for withdrawing the insulin, Determine the Steps for Wi...

Determine the Steps for Withdrawing the Insulin The important thing about measuring a dose is to use the front of the plunger not the back - Check doctor's prescription.

Explain about microwave irradiation, Q. Explain about Microwave irradiation...

Q. Explain about Microwave irradiation? Most micro-organisms are destroyed by the action of microwave of a frequency of about 2450 MHz and a wavelength of 12.24 cm. The water c

Classification of pollution sources, The man-made sources of air pollution ...

The man-made sources of air pollution are broadly categorized into three: Point or stationary sources:  it includes such sources which pollute at particular. Pollutants from

Difference between self pollination and cross pollination, What is differen...

What is difference between self pollination and cross pollination? Which of the two modes of pollination contributes more to the plant diversity? Self pollination take places w

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