Digestive system - buccal cavity, Biology

Assignment Help:

BUCCAL CAVITY -

  1. Situated between upper & lower jaw. It is lined by stratified squamous epithelium.
  2. Separated from nasal chamber by palate. Palate forms roof of buccal cavity.
  3. Palate is modification of premexilla, maxilla and palatine bones.
  4. Anterior palate is hard palate due to palatine ridges or rugae.
  5. Posterior palate is soft palate without rugae, in the end it forms UVULA or Velum peleti.
  6. Uvula is made up of connetive tissue & muscles.
  7. Close to velum peleti in pharyangeal wall 6 tonsils present.
  8. Tonsils are made up of lymphoid tissue, commonly known as guard of body.
  9. Tonsils are arranged in the form of a ring. The ring of tonsils is called Waldeyer's ring.
  10. The tonsils present in man are - nasopharyngeal tonsils, tubal tonsils, paltine tonsils and lingual tonsils.

Related Discussions:- Digestive system - buccal cavity

Explain the taxonomy of lamarck, Explain the taxonomy of Lamarck? Lamar...

Explain the taxonomy of Lamarck? Lamarck's taxonomy was mainly static in nature and his classification does not show its true value to the development of modern taxonomy. His m

Agro industrial-animal wastes, Animal wastes Large quantities of anima...

Animal wastes Large quantities of animal wastes are available in the country but generally they are low in nutrient content with poor feeding value to the animals. However, po

Explain adverse effects of fungal prophylaxis, Adverse effects of Fungal Pr...

Adverse effects of Fungal Prophylaxis - Micafungin is generally well tolerated. Adverse events have included fever, headache, nausea, vomiting, diar-rhea, leukopenia, hepatic e

What happens to pepsin when it passes into the duodenum, Q. Since pepsin is...

Q. Since pepsin is a gastric enzyme does it have a basic or an acid optimum pH? What happens to pepsin when it passes into the duodenum? Pepsin acts contained by the stomach so

Blood sampling , BLOOD SAMPLING : In blood sampling, the skin is deliberat...

BLOOD SAMPLING : In blood sampling, the skin is deliberately punctured in order to take a blood sample for analysis. If this is done carelessly, it is easy for microorganisms eith

What are the functions of polypeptide chains, Q. Since among the 64 codons ...

Q. Since among the 64 codons of mRNA 61 codify amino acids that form polypeptide chains what are the functions of the three remaining codons? Since there are 20 amino acids and

How vitamin e is directly related to selenium and pufa, How Vitamin E is di...

How Vitamin E is directly related to selenium and PUFA? Selenium: An inter-relationship exists between vitamin E and selenium, as selenium functions as an integral par1

How does water move inside sponges, How does water move inside sponges? Wha...

How does water move inside sponges? What is the function of the pores in these animals? Sponges are filtering beings. They make water enter their bodies by their lateral pores

GRADE 8 SCIENCE, what effects do human technologies have on our water syste...

what effects do human technologies have on our water systems?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd