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

What are gene chips, Question Write a short note on the following 1 St...

Question Write a short note on the following 1 Stem cells 2 Edible vaccines 3 Biologic Materials 4 Liposomes 5 What are gene chips? Explain any 4 applications of g

Define determinants of food security - food availability, Define Determinan...

Define Determinants of Food Security - Food Availability? It depends on the quantum and quality of crops, livestock, fishery and other food sources, as well as commercial impor

Importance of reproduction, Importance of reproduction Reproduction ...

Importance of reproduction Reproduction is an important life process in animals and plants. Reproduction is the ability of an organism to produce new generation of indivi

Endoplasmic reticulum, ENDOPLASMIC RETICULUM (ER) Eucaryotic celIs have t...

ENDOPLASMIC RETICULUM (ER) Eucaryotic celIs have two major compartments- nucleus and cytoplasm. Cytoplasm was known to have no structure until the discovery of electron micrsscop

Examples of invertebrate nervous system, Q. Using examples of invertebrate ...

Q. Using examples of invertebrate nervous systems how can the process of evolutionary cephalization be described? Considering the example of invertebrates it is observed that e

Discuss about xeno-transplanation, Discuss about xeno-transplanation Mo...

Discuss about xeno-transplanation Most defects / diseases treated by xeno-transplanation are not genetic in origin so the therapy will have no impact on gene pool in terms of c

Historical review of developmental biology, HISTORICA L REVIEW Anox...

HISTORICA L REVIEW Anoximander (600 B.C.) was the first western philospher who proposed the idea that "living creatures arose from the moist element". Empedocles (500 B.

Explain H - shaped incision, Q. Explain H - Shaped Incision? This type ...

Q. Explain H - Shaped Incision? This type of incision is especially useful for: The anterior maxilla or mandible. Accurately identified implant position. Exposure o

Determine the intracellular concentration of trva, Determine the intracellu...

Determine the intracellular concentration of TRVA Consider Neuron B in the frog central nervous system whose plasma membrane has a previously unknown channel that is selectly c

Define the protective of vitamin c role as an antioxidant, Define the Prote...

Define the Protective of Vitamin C role as an antioxidant? Vitamin C is a powerful antioxidant because it can donate a hydrogen atom and form a relatively stable ascorbyl free

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages