Customer Service Chat
Get quote & make Payment
Glandular Tissue, Animal Tissue, Defining Glands, Classification of Glands
Zoology Assignment Help
>> Glandular Tissue
Live Zoology Experts: GLANDULAR TISSUE Assignment Help, Animal Tissue, Project Assistance, Writing Help
offer glandular tissue assignment help, glandular tissue homework help, glandular tissue writing help and problems solution with best possible answers. We have instant experts for
subject who are highly qualified and experienced. They are working continously in solving student’s doubts and problems facing in their studies. Get solved glandular tissue problems with 100% plagiarism free answers.
The glands are generally made up of either single cells or by the aggregation of cells. These are of two types:
1. Unicellular: Made up of single cell. e.g. goblet cells.
2. Multicellular: Made up of many cells.
All the glands are formed by the folding of epithelia. Their cells are mostly cuboidal and secretory in function.
Exocrine glands: These are those glands which retain their connection with parent epithelium and all the secretion is poured up on the surface. This connection is called duct of the gland.
Classification of glands on the basis of branching of ducts:
(1) Simple glands: Where duct is unbranched and secretion is directly collected and conveyed to the surface. e.g. intestinal glands, sweat glands (man) etc.
(2) Compound glands: Where duct is branched and branches come from various secretory units. e.g. liver, pancreas, salivary glands etc.
On the basis of shape of secretory unit:
(1) Tubular: Where secretory unit is tubule like. e.g. sweat glands are simple tubular while gastric glands are compound tubular.
(2) Acinus: Where secretory unit is spherical or rounded. Liver is compound acinus gland.
(3) Alveolar: Where secretory unit is flask shaped. e.g. sebaceous glands of mammals.
(4) Tubulo-alveolar: Where secretory units are both tubular and alveolar type. e.g. mammary glands of adult, Cowper's glands etc.
On the basis of secretion and function:
(1) Holocrine glands: Entire cell fills with secretory product and then is broken up and sacrified. When overstimulated, gets plugged to form blackheads and ultimately pimples. e.g., sebaceous gland of mammals.
(2) Apocrine glands: The secretory product is accumulated in the apical part of cell or gland. This part breaks off from the remaining part of the gland which remains intact. e.g. sweat glands in the armpit and around anus.
(3) Merocrine or epicrine glands:
Most of the glands of the body are of merocrine type. They are also called epicrine glands. Their secretion is diffused out from the gland and hence gland remains intact. e.g. true sweat glands of human body.
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.