Digestive system - salivary glands, Biology

Assignment Help:

SALIVARY GLAND -

These are compound - Alveolar, tubular glands made up of columnar / cuboidal epithelium.

Saliva is manufactured in them.

In mammals these are paired and are of following types -

(i) Parotid gland

Situated below pinnae. Swallon gland is mumps. Flat and yellow coloured.

It's secretion come by Stenson's duct after last pre molar.

(ii) Sub lingual -

Narrow elongated, situated below tongue. Open near franulum by Rivinus ducts. In rat, mole & shrew absent.

(iii) Sub maxillary -

Situated at the joint of both jaws. It opens after lower incissor by Wartson's duct. Absent in rabbit.

(iv) Infra orbital -

Zygomatic. Situated below eye orbit. Round in shape. Absent in man.

252_glands in mouth.png


Related Discussions:- Digestive system - salivary glands

Differences between vertebrates and the other chordates, What are the diffe...

What are the differences between vertebrates and the other chordates? Vertebrates are dissimilar because they have a spinal column (vertebral column). In these animals the noto

Chamaephytes - classes of life form, Chamaephytes - Classes of Life Form ...

Chamaephytes - Classes of Life Form The perennating buds and organs are borne on shoots close to but just above the ground. The buds receive protection from fallen leaves and

Expression of variability, In the preceding section we emphasised the fact ...

In the preceding section we emphasised the fact that cvolution or the continuous adaptations to the environment can take place only when pheiiotypes exhibit variability. In the abs

Chlorophyll and haemoglobin, dialouge on cartoon between chlorophyll and ha...

dialouge on cartoon between chlorophyll and haemoglobin

Describe genetic recombination , Describe Genetic Recombination ? Genet...

Describe Genetic Recombination ? Genetic recombination, which provides the variation necessary for evolution, can occur through a variety of processes during cell reproduction:

Learning objectives of metabolic diseases, Q. Learning objectives of metabo...

Q. Learning objectives of metabolic diseases? • enumerate the etiological factors and symptoms of gout and few inborn errors of metabolism, • describe the metabolic changes

Explain the relation between chromatin and chromosome, What is the relation...

What is the relation between the concepts of chromatin and chromosome? Are euchromatin and heterochromatin part of chromosomes? Every filament of chromatin is a complete DNA mo

Breathing and exchanges of gases , What happens to respiratory system in a ...

What happens to respiratory system in a man going up a hill?

Assignment., what are the sub- headings in energy?describe energy in biolog...

what are the sub- headings in energy?describe energy in biology?

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