Question:

The ciliated columnar epithelial cells in humans are known to occur in

Updated On: Jul 25, 2024
  • Bile duct and oesophagus
  • Fallopian tubes and urethra
  • Eustachian tube and stomach lining
  • Bronchioles and Fallopian tubes
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The Correct Option is D

Solution and Explanation

The ciliated columnar epithelial cells in humans are present in the nasal passages, oviducts (Fallopian tubes) terminal bronchioles, ventricles of the brain and central canal of the spinal cord of the embryo. Columnar ciliated epithelium consists of columnar cells, which bear cilia on the free surface.
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Concepts Used:

Animal Tissues

Human bodies, like most animal bodies, are made up of four different types of tissue:

Epithelial Tissue:

This tissue forms the outer layer of the body and also lines many of the body's cavities where it has a protective function.

General functions of epithelial tissue:-

  1. Provides a barrier between the external environment and the organ that it is covering.
  2. Specialized to function in secretion and absorption.
  3. Protects organisms from microorganisms, injury, and fluid loss.

Connective Tissue:

This tissue assists in the support and protection of organs and limbs and depending on the location in the body it may join or separate organs or parts of the body.

Muscle Tissue:

This tissue enables various forms of movement, both voluntary and involuntary.

Nerve Tissue:

This tissue is responsible for the carrying of electrical and chemical signals and impulses from the brain and central nervous system to the periphery, and vice versa.