The process involved in the development of a mature ovum is called & x20; - RRB Nsg. Superintendent-21 July 2019 (Shift-2nd)

RRB Nsg. Superintendent-21 July 2019 (Shift-2nd)

Applied Physiology

Medium

Appeared in: RRB Nsg. Superintendent-21 July 2019 (Shift-2nd)

Explanation

Oogenesis is the specific term for the process of formation and development of a mature ovum (egg cell) in the ovaries.
This process begins with diploid germ cells called oogonia, which develop into primary oocytes before birth.
Meiotic divisions resume at puberty, leading to the formation of a secondary oocyte, which is released during ovulation and only completes its maturation into an ovum upon fertilization.

Option B: Fertilization is the fusion of a sperm and an ovum to form a zygote. It is a separate process that occurs after oogenesis is largely complete.
Option C: Gametogenesis is a broad, general term for the production of gametes. Oogenesis is a specific type of gametogenesis.
Option D: Spermatogenesis is the process of producing sperm cells in the male testes.

Visual 1: Diagram - A flowchart illustrating the sequential stages of oogenesis, from the oogonium to the mature ovum, highlighting the meiotic divisions and the formation of polar bodies.
Visual 2: Comparison Chart - A table comparing and contrasting oogenesis and spermatogenesis, showing differences in timing, continuity, and the number of functional gametes produced.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The biological process of female gamete formation as background academic context rather than a clinical decision trigger.
Understanding oogenesis is fundamental to reproductive health, fertility treatments (like IVF), and contraception. The quality of the ovum is a critical factor in successful conception.
The long period of meiotic arrest in primary oocytes (from fetal life to ovulation, potentially decades later) increases the risk of chromosomal non-disjunction with advancing maternal age, leading to conditions like Down syndrome.
What if the question asked about the hormonal control of ovum maturation? The answer would involve the roles of FSH (Follicle-Stimulating Hormone) and LH (Luteinizing Hormone) in stimulating follicular growth and triggering ovulation.

How to Approach the Question

First, identify the key terms in the question: 'development' and 'mature ovum'. This points to a process of formation.
Analyze the options provided. 'Oogenesis' directly relates to 'ovum' (genesis means creation).
Consider the other options. 'Fertilization' is fusion, not development. 'Spermatogenesis' is for sperm.
'Gametogenesis' is a general term. The question asks for the specific process for an ovum.
Select the most specific and accurate term, which is Oogenesis.

Concept Tested & Keywords

QVyffEZSduDVRx5kh7fpMP