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

Urine sugar testing, Testing for urine sugars is not recommended for either...

Testing for urine sugars is not recommended for either diagnosis or monitoring of patients with diabetes. This is because a urine sugar is not a reliable test. When no facilities a

Difference between translation and transcription, Q. What is the difference...

Q. What is the difference between translation and transcription? Transcription is the name given to the formation of DNA molecules from an open DNA chain used as a template, Tr

Explain about genetic diversity, Q. Explain about Genetic Diversity? Ge...

Q. Explain about Genetic Diversity? Genetic diversity is the "fundamental currency of diversity" that is responsible for variation. This is the diversity of basic units of here

Roots have no chlorophyll and grow in darkness, Roots have no chlorophyll a...

Roots have no chlorophyll and grow in darkness. So how do roots obtain their food? Food made in the leaves is transported to the roots in the phloem of the vascular bundles.

Energy flow - ecosystem, Energy Flow - Ecosystem Our world is a solar-...

Energy Flow - Ecosystem Our world is a solar-powered system, and green plants are the entry gates of energy into ecosystem. The total incoming solar energy, only a very small

Biodiversity, composition of aquatic animals what are their groupings

composition of aquatic animals what are their groupings

Provide communication between the cells, A) Maintain structural integrity o...

A) Maintain structural integrity of the cell B) Regulate the movement of substances into and out of the cell C) Provide communication between the cells D) ALl of the above

Explain adverse effects of bronchospasm, Adverse Effects of Bronchospasm ...

Adverse Effects of Bronchospasm Nasal and throat discomfort can occur. Bronchospasm, sometimes severe, has been reported uncommonly in patients with reactive airway disease; za

Zooology, green gland is excretory organ of which orthopodic phylem

green gland is excretory organ of which orthopodic phylem

Coordination and control, how is an increase in glucose concentration contr...

how is an increase in glucose concentration controlled in the human body?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages