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

Animal nutrition, briefly explain the following feeding mechanisms in holoz...

briefly explain the following feeding mechanisms in holozoic animals a) filter feeding b) fluid feeding c)deposit feeding

Explain acid and bases, Explain acid and bases? Acids and Bases : So...

Explain acid and bases? Acids and Bases : Some aqueous solutions, however, such as HCl, form an excess of hydrogen ions [ H + ] and are called acids. Others, such as NaOH,

Etiological factors contributing to lactose intolerance, Q. Etiological fac...

Q. Etiological factors contributing to lactose intolerance? The etiological factors contributing to lactose intolerance include: • Genetic factor • Reduction in jejunal

Nursing education, Nursing Education Computer-Assisted Instruction ...

Nursing Education Computer-Assisted Instruction (CAI) is a valuable teaching aid for health care students, testing them with frequent quizzes to ensure that the material rea

List the counselling skills, Q. List the counselling skills? Slowly sta...

Q. List the counselling skills? Slowly start winding up the contact with the client and the family by providing them support, motivating the client to take care of oneself with

Endoplasm and ectoplasm, Normal 0 false false false EN-...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Signify asexual and how it is formed, Signify Asexual and how it is formed?...

Signify Asexual and how it is formed? Organisms which do not reproduce by recombination of genetic material contained in gametes. There is not any combination of a haploid sper

Explain about the colour sense, Explain about the Colour Sense Colour S...

Explain about the Colour Sense Colour Sense is the faculty whereby we are enabled to distinguish colours as excited by light of different wave length. The ability to a

Types of oxygenators, Types of Oxygenators a) Film Oxygenators b) ...

Types of Oxygenators a) Film Oxygenators b) Disc Oxygenators c) Bubble Oxygenators d) Membrane Oxygenators. Film and Disc Oxygenators are not used for clinical

Explain intermediate hosts or definitive hosts, Q. What is the criterion us...

Q. What is the criterion used to classify hosts as intermediate hosts or as definitive hosts? The criterion used to categorize hosts as intermediate hosts or as definitive host

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages