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प्रश्न
Answer the following question.
What is cell junction?
उत्तर
The epithelial cells are connected to each other laterally as well as to the basement membrane by junctional complexes called cell junctions.
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संबंधित प्रश्न
Describe various types of epithelial tissues with the help of labelled diagrams
Based on the following information, identify the three types of epithelial tissue in the figures given below :
| a |  |
b |  |
c |  |
(1) Cuboidal epithelium: It consists of a single layer of cuboidal cells.
(2) Columnar epithelium: It is composed of tall, cylindrical cells with oval nuclei usually placed at the base of the cells.
(3) Ciliated epithelium: It consists of cells being hair-like cilia on their free surface.
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Simple squamous epithelium is present in respiratory tract.
The main function of the cuboidal epithelium is
Some epithelia are pseudostratified. What does this mean?
Write true (T) or false (F)
Epithelial layer is permeable layer.
Sieve cells have no companion cells.
Write one point of difference between
Simple and compound epithelial tissue.
Write the salient features of the compound epithelium.
Name the different cell junctions found in tissues.
