HISTOLOGY
EPITHELIAL TISSUE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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trachea and Fallopian tube
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bile duct and oesophagus
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Fallopian tube and urethra
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Eustachian tube and stomach lining
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Detailed explanation-1: -Ciliated columnar epithelium is found in the upper respiratory tract and fallopian tubes of vertebrates. The cilia are present on the free end of the cuboidal or columnar epithelium. These cilia help in the movement of solid particles in one direction.
Detailed explanation-2: -The ciliated columnar epithelium is found in sperm ducts, lining the trachea, bronchi, kidney tubules, respiratory tract, and oviducts. Sometimes the columnar epithelium gets modified into pseudostratified epithelium, which occurs in nasal and genital tracts..
Detailed explanation-3: -The fallopian tube (FT) is composed of three layers, and the innermost mucosa is a simple columnar epithelium consisting of basal, ciliated, and secretory cells [1]. The ciliated cells can facilitate the transport of gametes and mucus secreted by mucosal epithelium [2, 3].
Detailed explanation-4: -Where is it? Ciliated columnar epithelial cells are found mainly in the tracheal and bronchial regions of the pulmonary system and also in the fallopian tubes of the female reproductive system.