In which one of the following preparations ar | vedclass

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(D) The correct answer is $D$. Cell junctions are specialized structures that provide contact between neighboring cells or between a cell and the extr

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Ciliated epithelium

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(D) The correct answer is $D$. Cell junctions are specialized structures that provide contact between neighboring cells or between a cell and the extracellular matrix. They are most abundant in epithelial tissues, which form the lining of various body cavities and surfaces.$1$. $Ciliated$ $epithelium$ is a type of epithelial tissue consisting of columnar or cuboidal cells. Because epithelial cells are tightly packed to form a continuous barrier, they require various types of cell junctions (such as tight junctions, adherens junctions, and gap junctions) to maintain structural integrity and regulate transport.$2$. $Thrombocytes$ (platelets) are blood cells involved in clotting and do not form tissue layers with junctions.$3$. $Tendon$ and $hyaline$ $cartilage$ are types of connective tissue. In connective tissues, cells are typically separated by a large amount of extracellular matrix, and therefore, cell junctions are far less frequent compared to epithelial tissues.

$(a)$ Tight junctions	$(i)$ Cement neighbouring cells together to form a sheet
$(b)$ Adhering junctions	(ii) Transmit information through chemicals to other cells
$(c)$ Gap junctions	(iii) Establish a barrier to prevent leakage of fluid across epithelial cells
$(d)$ Synaptic junctions	(iv) Cytoplasmic channels to facilitate communication between adjacent cells

In which one of the following preparations are you likely to come across cell junctions most frequently?

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