Digestive system - buccal cavity, Biology

Assignment Help:

BUCCAL CAVITY -

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

Related Discussions:- Digestive system - buccal cavity

List the five major phases of the cell cycle, List the five major phases of...

List the five major phases of the cell cycle, and briefly explain what happens during each phase. G1 phase: the cell grows. S phase: DNA is copied. G2 phase: the cell prepares

List out the principles of food preservation, List out the Principles of Fo...

List out the Principles of Food Preservation? All food preservation methods are based upon the general principle of preventing or retarding the causes of spoilage caused by mic

Leishmaniasis, Leishmaniasis Leishmaniasis is a group of disease cause...

Leishmaniasis Leishmaniasis is a group of disease caused by protozoa of the group Leishmania, and are transmitted to man by the bite of female sandfly (Phlebotomus). Three typ

Define intermediary metabolites of an athletes, Define Intermediary Metabol...

Define Intermediary Metabolites of an Athletes? Coenzyme Q10 - for the physically active; Co-Q 10 activates cell energy. While you carry out any physical act; run, jump, throw,

How is the nervous system of molluscs organized, How is the nervous system ...

How is the nervous system of molluscs organized? Molluscs have well-developed sensory structures. It is established that cephalopods, such as squid and octopus, have eyes with

Indications for surgery- pulmonary stenosis, Indications for Surgery : Co...

Indications for Surgery : Congenital pulmonic stenosis is the most common lesion requiring relief. Very rarely it could be due to rheumatic involvement along with disease of othe

The lower course - classification of the river, The lower course - Classifi...

The lower course - Classification of the river The lower course of the river occurs in the plains, across which it meanders or zigzags slowly. The river here loses much of its

Explain the role in insulin formation, Explain the Role in Insulin Formatio...

Explain the Role in Insulin Formation? You are aware that insulin receptors are present in many cells with their concentration being highest in adipocytes (cells present in adi

Planning the nursing care - wilms tumour, Planning the Nursing Care ...

Planning the Nursing Care Provide preoperative and post operative nursing care to child Assist in therapeutic management of child. Provide comfort. S

Effects of long term malnutrition on adults, Effects of long term malnutrit...

Effects of long term malnutrition on adults In adults, once the stored carbohydrates and fats are used up, the body starts using proteins to generate energy. These protei

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages