Female Reproductive System Overview
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Questions and Answers

The ______ produce secondary oocytes and progesterone, oestrogen (female sex hormones), inhibin and relaxin.

ovaries

The uterine tubes transport a secondary oocyte to the ______ and are normally the site where fertilization occurs.

uterus

The ______ is the site of implantation of the fertilized ovum, development of the foetus during pregnancy and labor.

uterus

The vagina receives the penis during intercourse and is the passageway for ______.

<p>childbirth</p> Signup and view all the answers

Essential organs of the female reproductive system include the ______, which produce sex cells.

<p>gonads</p> Signup and view all the answers

The ______ are collectively called the vulva.

<p>external organs</p> Signup and view all the answers

Accessory organs of reproduction include ducts or modified ducts, such as the ______, uterus, and vagina.

<p>uterine tubes</p> Signup and view all the answers

Sex glands, including those in the ______, are also part of the female reproductive system.

<p>breasts</p> Signup and view all the answers

The ______ gland synthesizes, secretes, and ejects milk for nourishing newborns.

<p>mammary</p> Signup and view all the answers

Ovaries are ______ glands located in the pelvic cavity.

<p>paired</p> Signup and view all the answers

Ovaries are attached to ligaments in the pelvic cavity on ______ side.

<p>each</p> Signup and view all the answers

The ______ epithelium covers the surface of the ovary.

<p>germinal</p> Signup and view all the answers

The ovarian cortex contains connective tissue with ______ which are composed of oocytes and surrounding cells.

<p>follicles</p> Signup and view all the answers

The cells surrounding the oocyte nourish it and secrete ______ as the follicle grows.

<p>estrogen</p> Signup and view all the answers

A mature follicle is also known as a ______ follicle.

<p>Graafian</p> Signup and view all the answers

After ovulation, the remaining follicle becomes a ______ which produces progesterone, relaxin, and inhibin.

<p>corpus luteum</p> Signup and view all the answers

The formation of gametes in the ovaries is called ______.

<p>oogenesis</p> Signup and view all the answers

At puberty, approximately ______ primary oocytes remain in the ovaries.

<p>40,000</p> Signup and view all the answers

The ______ and progesterone are the dominant female sex hormones.

<p>oestrogen</p> Signup and view all the answers

During ______, infancy and childhood, sex hormone production is low.

<p>foetal development</p> Signup and view all the answers

At puberty, hormone production ______, triggering sexual maturation.

<p>surges</p> Signup and view all the answers

The sex hormones control the ______ cycle and are produced cyclically from puberty to menopause.

<p>menstrual</p> Signup and view all the answers

Progesterone converts the oestrogen-primed endometrium to an actively secreting tissue suitable for ______ of an embryo.

<p>implantation</p> Signup and view all the answers

The ______ secretes GnRH.

<p>Hypothalamus</p> Signup and view all the answers

The ______ is the termination of the menstrual cycle due to normal aging of the ovaries.

<p>Menopause</p> Signup and view all the answers

The ______ pituitary releases FSH.

<p>Anterior</p> Signup and view all the answers

The ______ follicle matures and secretes oestrogen.

<p>Ovarian</p> Signup and view all the answers

The follicular cells become the ______ which secretes progesterone.

<p>corpus luteum</p> Signup and view all the answers

The ______ cycle is controlled by hormones from the ovary.

<p>uterine</p> Signup and view all the answers

Estrogens promote the growth of the ______.

<p>endometrium</p> Signup and view all the answers

Progesterone supports the ______ for implantation.

<p>endometrium</p> Signup and view all the answers

The ______ phase of the menstrual cycle follows ovulation.

<p>secretory</p> Signup and view all the answers

The ______ is the site of implantation for a fertilized ovum.

<p>uterus</p> Signup and view all the answers

Oogenesis results in one large fertilized ______ (zygote) and possibly three small polar bodies.

<p>egg</p> Signup and view all the answers

The ______ is a narrow, 4 inch (10cm) tube that extends from the ovary to the uterus.

<p>oviduct</p> Signup and view all the answers

The ______ is the open, funnel-shaped portion of the oviduct near the ovary.

<p>infundibulum</p> Signup and view all the answers

The ______ are moving finger-like processes in the oviduct.

<p>fimbriae</p> Signup and view all the answers

The ______ is the central region of the oviduct.

<p>ampulla</p> Signup and view all the answers

The ______ is the narrowest portion of the oviduct that joins the uterus.

<p>isthmus</p> Signup and view all the answers

The ______ is responsible for maintaining the fetus during development and expelling the fetus at the end of pregnancy.

<p>uterus</p> Signup and view all the answers

The ______ is the dome-shaped area above the uterine tubes.

<p>fundus</p> Signup and view all the answers

The ______ is the tapering central portion of the uterus.

<p>body</p> Signup and view all the answers

The ______ is the narrow opening into the vagina.

<p>cervix</p> Signup and view all the answers

The ______ is a fibrous muscular canal lined with mucous membrane that extends from the exterior to the cervix.

<p>vagina</p> Signup and view all the answers

The ______ is a recess that surrounds the cervix.

<p>fornix</p> Signup and view all the answers

The ______ is the collective term for the female external genitalia.

<p>vulva</p> Signup and view all the answers

The ______ is an elevation of adipose tissue covered by skin and pubic hair located anterior to the vaginal and urethral opening.

<p>mons pubis</p> Signup and view all the answers

The ______ and ______ are skin folds that surround the vaginal and urethral openings.

<p>labia minora</p> Signup and view all the answers

The ______ is a small erotic structure located at the anterior end of the folds of the labia minora.

<p>clitoris</p> Signup and view all the answers

The ______ are modified sudoriferous glands.

<p>mammary glands</p> Signup and view all the answers

The ______ is the pigmented projection with openings on the breast.

<p>nipple</p> Signup and view all the answers

The ______ surrounds the nipple.

<p>areola</p> Signup and view all the answers

Internally, the ______ consist of 15-20 lobes, which are further divided into lobules, and ultimately alveoli, which are the milk-secreting glands.

<p>mammary glands</p> Signup and view all the answers

The ______ suspend the breast from the deep fascia of the pectoral muscles.

<p>suspensory ligaments</p> Signup and view all the answers

The mammary gland functions in the ______, ______, and ______ of milk.

<p>synthesis</p> Signup and view all the answers

______ is the term for the functions associated with pregnancy and childbirth related to milk production.

<p>Lactation</p> Signup and view all the answers

Flashcards

Ovaries

Gonads producing sex cells (ova) and hormones.

Uterine Tubes

Ducts transporting secondary oocytes to uterus; site of fertilization.

Uterus

Site for implantation of fertilized ovum and fetal development.

Vagina

Receives the penis during intercourse; passageway for childbirth.

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Secondary Oocytes

Immature eggs produced by the ovaries during ovulation.

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Female Sex Hormones

Includes progesterone, estrogen; regulate reproductive functions.

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Inhibin

Hormone produced by ovaries that inhibits FSH secretion.

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Relaxin

Hormone that helps relax pelvic ligaments during childbirth.

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Oogenesis

Process of female gamete (egg) formation resulting in one large egg and small polar bodies.

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Oviducts

Narrow tubes connecting ovaries to uterus; also called Fallopian tubes.

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Infundibulum

Funnel-shaped section of the oviduct near the ovary, helping catch the oocyte.

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Fimbriae

Finger-like projections at the end of the infundibulum that help sweep the oocyte into the oviduct.

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Cervix

Narrow opening at the lower end of the uterus leading into the vagina.

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Vulva

Collective term for external female genitalia, including labia and clitoris.

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Mammary Glands

Modified sweat glands responsible for milk production in females.

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Lactation

Process of milk synthesis, secretion, and ejection linked to pregnancy and childbirth.

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GnRH

Gonadotropin-releasing hormone from hypothalamus stimulates FSH and LH release.

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Menstrual Cycle

Regular changes in uterine lining leading to monthly bleeding.

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Menarche

The first menstrual period signaling the start of ovulation.

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Menopause

The cessation of menstrual cycles due to aging of ovaries.

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Corpus Luteum

Structure formed from follicular cells that secretes progesterone post-ovulation.

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Oestrogen

A dominant female hormone produced by the ovaries that regulates various functions including menstrual cycle and secondary sexual characteristics.

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Progesterone

A hormone produced by the ovaries that prepares the endometrium for implantation and regulates the menstrual cycle.

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Hormonal surge at puberty

A dramatic increase in sex hormones that triggers sexual maturation and development of secondary sex characteristics.

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Effects of Progesterone

Progesterone converts the endometrium for embryo implantation, induces thick cervical mucus, and decreases uterine contractions.

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Role of Androgens in Women

Androgens are male hormones produced in small amounts by ovaries and adrenals, playing important roles in women's health.

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Mammary Gland Function

Synthesizes, secretes, and ejects milk for newborn nourishment.

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Ovaries Location

Paired glands in the pelvic cavity, resembling large almonds, weighing about 3 g each.

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Germinal Epithelium

Outer layer covering the surface of the ovary.

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Tunica Albuginea

Irregular connective tissue layer underlying the germinal epithelium in the ovary.

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Ovarian Cortex

The area of the ovary containing follicles surrounded by connective tissue.

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Follicle

A structure in the ovary consisting of an oocyte surrounded by surrounding cells that nourish it.

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Graafian Follicle

A mature follicle ready to rupture and expel the secondary oocyte during ovulation.

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Polar Body

Smaller cell produced during oogenesis that may divide but typically does not develop into an egg.

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Uterine Cycle

The cycle involving the growth and shedding of the endometrium, also known as menstrual cycle.

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Hormones from Ovaries

Estrogens and progesterone are hormones that regulate the uterine cycle.

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LH Surge

A rapid increase in luteinizing hormone that triggers ovulation.

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Study Notes

MPharm Programme: Reproductive System 3 & 4

  • Course code: PHA115
  • Lecturer: Dr Praveen Bhugra

Learning Objectives

  • Students should understand and describe the female reproductive system, including organs, structure, location, and function of ovaries, fallopian tubes, uterus, vagina, and vulva.
  • Students should understand and explain the female reproductive physiology, including ovulation, hormones, changes during puberty, and menstruation.
  • Students should understand and explain the sex glands, including those in the breasts.

Female Reproductive System

  • Essential organs: Ovaries, which produce ova.
  • Accessory organs: Oviducts (fallopian tubes or oviducts), uterus, vagina, and vulva, plus sex glands (breasts).

Ovaries

  • Structure and location: Paired glands, approximately 3g each, resembling large almonds, attached to ligaments in the pelvic cavity on each side of the uterus.
  • Histological structure: Germinal epithelium covers the surface; tunica albuginea is an irregular connective tissue; ovarian cortex contains follicles surrounded by connective tissue; a follicle consists of an oocyte and surrounding cells; mature follicle (Graafian follicle) is ready to release a secondary oocyte; post-ovulation, the follicle becomes the corpus luteum, which produces progesterone, relaxin, and inhibin.

Oogenesis

  • The formation of gametes in the ovaries.
  • Millions of oogonia are produced in the fetus by mitosis, but most degenerate (atresia).
  • Some develop into primary oocytes during fetal development.
  • At birth, 200,000 to 2 million primary oocytes are present.
  • At puberty, 40,000 remain, and only 400 mature during a woman's reproductive life.
  • Monthly, about 20 primary oocytes become secondary oocytes, but only one usually survives ovulation from a Graafian follicle.

Oviducts (Uterine or Fallopian Tubes)

  • Narrow tubes (10cm/4 inches) extending from the ovary to the uterus.
  • Infundibulum: Funnel-shaped portion near the ovary with fimbriae (finger-like processes) to sweep the secondary oocyte into the tube.
  • Ampulla: Central tube region.
  • Isthmus: Narrowest portion joining the uterus.
  • Oocyte movement is aided by cilia lining the wall.
  • Zygote reaches the uterus in about 7 days.

Uterus

  • Responsible for maintaining the fetus during development and expelling it at the end of pregnancy.
  • The site of menstruation.
  • 3 inches long by 2 inches wide and 1 inch thick.
  • Subdivided into fundus, body, and cervix.
  • Interior contains the uterine cavity accessed by the cervical canal.
  • Site of sperm pathway and implantation.
  • Fundus is a dome-shaped area above fallopian tubes.
  • Body is the tapering central portion.
  • Cervix is narrow opening into vagina.

Vagina

  • Extends from the exterior to the cervix.
  • 10 cm (4 inches) long, fibrous muscular canal lined with mucous membrane.
  • Serves as a pathway for sperm and a passageway for delivery of a baby from the uterus.
  • Outlet for menstrual flow.
  • Fornix: Recess surrounds the cervix.
  • Acid environment prevents bacterial growth.
  • Smooth muscular layer adjusts for intercourse or birth.
  • Hymen: Thin membrane fold that may cover the vaginal orifice.

Vulva (Pudendum)

  • Collective term for external female genitalia.
  • Mons pubis: Elevation of adipose tissue covered by skin and pubic hair, anterior to vaginal and urethral openings.
  • Labia minora and majora: Skin folds surrounding vaginal and urethral openings.
  • Clitoris: Small erotic structure at the anterior end of labia minora folds.

Mammary Glands

  • Modified sudoriferous glands.
  • Nipple: Pigmented projection with openings.
  • Areola: Surrounds the nipple.
  • Internally: 15-20 lobes; lobules; alveoli (milk-secreting glands).
  • Suspensory (Cooper's) ligaments suspend the breast from deep fascia of pectoral muscles.
  • Mature at puberty.

Physiology of the Breast

  • Synthesis, secretion, and ejection of milk (lactation).
  • Oestrogens develop duct systems.
  • Progesterone develops milk-secreting alveoli.
  • Prolactin stimulates milk synthesis in the alveoli.
  • Oxytocin stimulates milk ejection from alveoli.

Female Sex Hormones

  • Dominant hormones: Oestrogen and progesterone.
  • Produced by ovaries: During fetal development, infancy, and childhood, sex hormone production is low.
  • Puberty triggers hormone production surges and secondary sex characteristics.
  • Puberty to menopause: Sex hormones control the menstrual cycle and produced cyclically.
  • Pregnancy: Hormones are produced at higher levels by the placenta, and inhibit ovulation.
  • Androgens are produced in small amounts by ovaries and adrenals, and play important functions in women.

Other Effects of Oestrogen and Progesterone

  • Provide details about the effects of oestrogen and progesterone on various parts of the female reproductive system.

Female Reproductive System: Hormones

  • Hypothalamus secretes GnRH, stimulating the anterior pituitary to release FSH and LH.
  • Ovaries produce oestrogen and progesterone to respond to FSH and LH.

Female Reproductive System: Reproductive Cycle

  • Menstrual cycle: Results in monthly uterine bleeding from regular changes in the uterine lining.
  • Menarche: First menstrual period.
  • Menopause: Cycle termination due to normal ovary aging.

Overview of the Menstrual Cycle

  • Detailed description of the menstrual cycle phases like follicular, ovulation, and luteal phases, including the relevant hormones.

Further Reading

  • Provides a list of recommended textbooks for further study on the topic.

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Description

This quiz covers the essential organs and accessory structures of the female reproductive system. Test your knowledge on the functions of various glands, the process of fertilization, and the anatomy involved in reproduction. Great for students learning about human biology and anatomy.

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