Question

glandular epithelium?????? ​

Answer 1

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$\textbf{Glandular epithelium :}$

When some epithelial cells become specialized for secretion, then tgey form glandular epithelium.

Cells in Glandular epithelium are cuboidal or columnar in shape.

◾ On the basis of number of cells it can be classified into two parts :

Unicellular gland and Multicellular gland.

UNICELLULAR : Single isolated cell work as a gland. Eg : Goblet cells.

MULTICELLULAR : Cluster of cells acts as a gland. Eg : Gastric gland, Salivary gland etc.

◾ On the basis of mode of secretion it can be classified into three parts :

Endocrine, Exocrine and Heterocrine.

ENDOCRINE : They are duct less glands and pour their secretion directly into blood stream. Eg : Pituitary gland Adrenal gland etc.

EXOCRINE : They are ducted glands and release their secretion through their ducts. Eg : Intestinal gland.

HETEROCRINE : They have both part exocrine and endocrine. Eg : Pancreas, Gonads etc.

Answer 2

Glandular epithelium is a type of epithelial tissue which covers the glands (both exocrine and endocrine) of our body. Coming to their function, The main function is SECRETION. Both endocrine and exocrine glands produce their secretions through the glandular epithelium via special cells called goblet cells.