The epithelial tissue which is found in the uterine tubes is known as?

RUHS, Jaipur, PB B.Sc Nursing Entrance-2020

Applied Anatomy

Easy

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2020

Explanation

The uterine tubes (fallopian tubes) are lined with a specific type of tissue known as ciliated columnar epithelium.
This tissue features cilia, which are tiny, hair-like structures on the cell surface.
The primary function of these cilia is to create a wave-like motion that sweeps the ovum (egg) from the ovary toward the uterus.
This ciliary action is essential for successful transport of the egg for potential fertilization and implantation.

Option A: Squamous epithelium consists of flat, scale-like cells. Its structure is suited for diffusion and filtration, not for moving an ovum. It is found in places like the alveoli of the lungs and the lining of blood vessels.
Option C: While the cells in the uterine tube are columnar in shape, this answer is incomplete. The most important functional characteristic is the presence of cilia. Without cilia, the ovum would not be transported effectively.
Option D: The term 'Simple' only refers to the fact that the epithelium is a single layer thick. It is a correct but non-specific description. 'Ciliated' provides more precise information about the tissue's structure and function.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of epithelial tissue in the uterine tubes as background academic context rather than a clinical decision trigger.
The function of cilia in the uterine tubes is critical for fertility. Damage to these cilia can impair the transport of the ovum.
Infections such as Pelvic Inflammatory Disease (PID) can damage or destroy the cilia, increasing the risk of infertility or ectopic pregnancy (where the embryo implants outside the uterus, often in the fallopian tube).
A nurse's role includes educating patients about sexually transmitted infections (STIs) that can lead to PID and subsequent ciliary damage.

How to Approach the Question

First, identify the key anatomical structure in the question: 'uterine tubes' (fallopian tubes).
Next, identify the biological concept being tested: 'epithelial tissue'.
Recall the primary function of the uterine tubes, which is to transport the ovum from the ovary to the uterus.
Consider how this function is accomplished at a tissue level. This transport requires movement, which points towards a specialized structure.
Evaluate the options: 'Squamous' (flat, for diffusion), 'Columnar' (tall, for secretion/absorption), 'Simple' (one layer), and 'Ciliated' (hair-like, for movement).
Select the option that best describes the functional specialization needed for ovum transport. 'Ciliated' is the most specific and functionally relevant answer.

Concept Tested & Keywords

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