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

Budding - types of asexual reproduction, Budding - Types of Asexual Reprodu...

Budding - Types of Asexual Reproduction In reproduction through budding, small groups of cells form buds in some part or parts of the parent animal. The bud grows, differentia

Pathophysiology of constrictive pericarditis, Q. Pathophysiology of constri...

Q. Pathophysiology of constrictive pericarditis? Ans. The thickened and rigid pericardium causes constriction of the heart and restricts ventricular dialatation and diasto

The cell, how autophagy help in converting a tadpole larva into adult amphi...

how autophagy help in converting a tadpole larva into adult amphibian

Calculate the width of the implant, Width of the Implant The width of t...

Width of the Implant The width of the implant especially at the interface area is critical towards the success of the implant. It has been recommended that at least 1mm of bone

Define absolute food safety and relative food safety, 'Absolute food safe...

'Absolute food safety' is the assurance that damage or injury from use of a substance is impossible. Normal 0 false false false EN-US X-NON

What is muscle tissue explain briefly, What is Muscle tissue explain briefl...

What is Muscle tissue explain briefly? Remember that a skin cell, in addition to the genetic information that allows it to form into a skin cell, also has all of the genetic in

Explain the electron microscopy in taxonomy, Explain the Electron Microscop...

Explain the Electron Microscopy In Taxonomy? Morphological features that are easily observable with the naked eyes or with the stereomicroscopes permit quick identification an

Pomology, Pomology : This is the study of fruits and fruit yielding plants...

Pomology : This is the study of fruits and fruit yielding plants of commercial importance. Pomology is a branch of botany which studies or cultivates pome fruit, and particularly

Coadapted communities, From your studies in ecology, you must be aware that...

From your studies in ecology, you must be aware that most ecosystems are quite complex consisting of several habitats and that habitats in turn are composed of microhabitats. Each

26 The Human Impact on the Environment, What are the principal sources of e...

What are the principal sources of excessive nitrate and phosphate in rivers and lakes?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages