MBBS · Physiology

Reproductive physiology

Read the topic background here, then explore the labeled visual and structured learning explanations on this page.

Read explanation on this page ↓ See diagram ↓
Read here · Related subject background

Human reproduction — on-site reading

This reference extract addresses Human reproduction, a related subject. It does not cover every part of Reproductive physiology.. The article introduction is reproduced here, so you do not need to leave MedAtlas to read it. It may not match the latest official medical guidance.

Human sexual reproduction, to produce offspring, begins with fertilization. Successful reproduction typically involves sexual intercourse between a healthy, sexually mature and fertile male and female. During sexual intercourse, sperm cells are ejaculated into the vagina through the penis, resulting in fertilization of an ovum to form a zygote.
While normal cells contain 46 chromosomes (23 pairs), gamete cells contain only half that number, and it is when these two cells merge into one combined zygote cell that genetic recombination occurs. The zygote then undergoes a defined development process that is known as human embryogenesis, and this starts the typical 38-week gestation period for the embryo (and eventually fetus) that is followed by childbirth.
Assisted reproductive technology also exists, like IVF, some of which involve alternative methods of fertilization, which do not involve sexual intercourse; the fertilization of the ovum may be achieved by artificial insemination methods.

How this connects to Physiology

Reproductive medicine integrates anatomy, gonadal and pituitary endocrine signaling, tissue responses and age- or gestation-dependent physiology. Pregnancy adds placental circulation and changing maternal reference ranges, so outcomes and laboratory results must be interpreted in the correct developmental context.

Text credit: Wikipedia contributors, “Human reproduction”, original article · authors & revision history · CC BY-SA 4.0. Unmodified opening extract, accessed 24 September 2026. This Wikipedia-derived section is provided under CC BY-SA 4.0; the independent MedAtlas notes and design are separate works.

On-site diagram

Reproductive physiology · visual study map

Scalable vector illustration. Labeled conceptual map, not a precise anatomical, histological or diagnostic image.
TOPIC LEARNING MAP · NOT AN ANATOMICAL PLATE01 · BackgroundHuman sexual reproduction, to produceoffspring, begins with fertilization.02 · Main conceptSuccessful reproduction typicallyinvolves sexual intercourse between ahealthy, sexually mature and fertile…03 · Related processDuring sexual intercourse, sperm cellsare ejaculated into the vagina throughthe penis, resulting in…04 · Study connectionWhile normal cells contain 46chromosomes (23 pairs), gamete cellscontain only half that number, and itis…Reproductive physiologyRead the full text below the visual · all reading is on this website

The wording in this learning map is adapted from the attributed Wikipedia background section below (CC BY-SA 4.0).

Study foundation 01

What the underlying subject studies

Physiology studies how living systems work rather than only what parts look like. Identify the regulated variable or input, the sensor or receptor, the control mechanisms and the resulting response. Connect events at the cell level to what occurs in an entire organ system.

Study foundation 02

How mechanisms and evidence connect

Most physiological processes are dynamic and interact through neural, hormonal, local and mechanical signals. For quantitative relationships, define what each variable means and the assumptions under which an equation holds before applying it to real data.

Study foundation 03

How to develop a sound explanation

Use a time-course or feedback diagram to show cause and effect. Compare normal conditions with an altered condition and explain which compensatory responses might occur, without assuming that compensation removes the original disturbance.

References and verification (optional)

All reading material on this page appears above. The links below are for checking the primary syllabus, research or source attribution, not requirements for opening this lesson.

NMC official CBME Curriculum 2024 and current regulations index ↗

Find research on Reproductive physiology ↗