19 Ca muscle and epithelium have one feature in common. What is it? The cells ha

Question

19 Ca muscle and epithelium have one feature in common. What is it? The cells have desmosomes linking them together The cells rest on a basement membrane The tissue is avascular Each of the cells divides only from the basal layer 20. Epithelial cells are said to be polar. What other cells are also polar? muscle cells fibroblasts neurons in connective tissue proper can drastically change the appearance White blood cells Lymphocytes tissue? Macrophages 22. For a tissue to be classified as hyaline cartilage, it must have all the following features EXCEPT Cells in lacunae An extracellular matrix that provides structural support Innervation by nerve endings -No blood supply

Explanation / Answer

19.Desomosomes are the intercellular junctions common to both epithelium and cardiac muscle cells.

PS:Epithelium is avascular but cardiac muscles are not

20.apart from epithelial cells,others that are polar are:

21.Adipocytes(fat cells) are fixed cells in connective tissue.However white blood cells ,lymphocyes and macrophages come under wandering cell catagory and circulate in the blood stream

22.Hyalin cartilage does not contain any nerves or blood vessels and hence has no blood supply

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