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

Briefly explain what is the leaf, Briefly explain what is The Leaf? In a ...

Briefly explain what is The Leaf? In a typical dicot, leaf primordia arise from the apical meristem, which is housed within the terminal bud on a shoot. The leaf cells are produc

What do you mean by genera, Q. What do you mean by Genera? Like species...

Q. What do you mean by Genera? Like species the genus represents a concept. Genera (Plural) are aggregates of closely related species. There is no size requirement for a genus.

Determine dominant individual fromhomozygous or heterozygous, Why can cross...

Why can crossing of an individual that manifests dominant phenotype with another that manifests recessive phenotype (for the same trait) determine whether the dominant individual i

Describe the ways in which a genome can be sequenced, 1. Describe what effe...

1. Describe what effects epigenetic modifications such as methylation and acetylation can have in eukaryotic cells, and how these modifications are added or removed from chromatin.

Epidermis, EPIDERMIS - Ectodermal in origin. Outer part of skin. Mad...

EPIDERMIS - Ectodermal in origin. Outer part of skin. Made up of stratified epithelium. Branches of sensory nerves present. More branches on lips, tips of fingers. B

How cereal and bread important for human -nutritional factor, How Cereal an...

How Cereal and Bread important for Human -Nutritional Factor? Cereals form the staple of the Indian diet. These grains are the main source of energy in the Indian diet

Diagnosis of meningitis, Diagnosis Lumbar puncture is done which shows...

Diagnosis Lumbar puncture is done which shows cloudy CSF with increased pressure, the white cell count predominantly contains neutrophils. CSF proteins are increased but sug

What is biotechnology, What is biotechnology? The Biotechnology is the ...

What is biotechnology? The Biotechnology is the application of biological knowledge to obtain new techniques, materials and compounds of pharmaceutical, medical, agrarian, indu

Explain how a human eye is working for the body, Explain how a human eye is...

Explain how a human eye is working for the body. Every tissue in the body requires basic components which are either derived from the body itself or we acquire them from extern

How did gifford pinchot view nature, How did muir's impression of man's rel...

How did muir's impression of man's relationship with nature differ from Susan Fenimore coopers? And How did Gifford Pinchot view nature?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages