Male Reproductive System Overview
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Questions and Answers

What is the primary function of the uterine (Fallopian) tubes?

  • To connect the external genitals to the uterus
  • To produce milk
  • To provide lubrication to the vaginal opening
  • To transport ova from the ovaries to the uterus (correct)

Which part of the uterus is primarily responsible for thickening in preparation for a potential pregnancy?

  • Cervix
  • Fundus
  • Endometrium (correct)
  • Myometrium

Which structure is NOT considered part of the external genitalia (vulva)?

  • Clitoris
  • Labia Majora
  • Cervix (correct)
  • Mons Pubis

What is the function of the greater vestibular (Bartholin’s) glands?

<p>To provide lubrication to the vaginal opening (C)</p> Signup and view all the answers

Which of the following structures is associated with the milk production process?

<p>Lactiferous Ducts (B)</p> Signup and view all the answers

What is the primary function of interstitial cells (Leydig cells) in the testes?

<p>Production of testosterone (A)</p> Signup and view all the answers

Which structure is responsible for carrying mature sperm from the epididymis to the ejaculatory duct?

<p>Ductus (Vas) Deferens (D)</p> Signup and view all the answers

What role do seminal vesicles play in male reproductive health?

<p>Producing seminal fluid rich in fructose (C)</p> Signup and view all the answers

Which gland produces a pre-ejaculatory fluid that lubricates the urethra?

<p>Bulbourethral Gland (A)</p> Signup and view all the answers

What is the function of the fimbriae at the end of the fallopian tubes?

<p>Guiding the egg from the ovary (A)</p> Signup and view all the answers

Which structure prevents the urethra from collapsing during an erection?

<p>Corpus Spongiosum (A)</p> Signup and view all the answers

Which hormone is primarily secreted by the ovaries?

<p>Estrogen (D)</p> Signup and view all the answers

What is the primary function of the prostate gland in male reproduction?

<p>Contributing to seminal fluid (D)</p> Signup and view all the answers

Flashcards

Testes function

Male gonads that produce sperm and testosterone.

Seminiferous Tubules

Coiled structures within testes where sperm production happens.

Leydig Cells function

Produce testosterone in the testes.

Epididymis function

A tube where sperm mature and store after testes.

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Ductus Deferens function

Carries sperm from the epididymis to the ejaculatory duct.

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Ovaries Function

Produce eggs (ova) and hormones (estrogen & progesterone).

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Fimbriae function

Finger-like projections that guide the egg from ovary to fallopian tube.

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Scrotum function

Pouch of skin that holds testes and regulates their temperature.

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Uterine Tubes Function

Transport eggs from ovaries to the uterus and are the site of fertilization.

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Uterus Parts

The uterus has three main parts: Fundus (top), Body (main part), and Cervix (lower opening).

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What is the Endometrium?

The inner lining of the uterus that thickens during the menstrual cycle to prepare for a potential pregnancy.

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Vagina Function

The passage connecting the external genitals to the uterus, allowing menstrual flow and childbirth.

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Vulva Parts

The external female genitalia includes: Mons Pubis (fatty tissue), Clitoris (arousal), Labia Minora (inner folds), Labia Majora (outer folds), and Urethra Orifice.

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Study Notes

Male Reproductive System

  • Gonads: Testes, responsible for sperm and testosterone production.
  • Accessory Organs: Seminal vesicles, prostate gland, and bulbourethral glands (Cowper's glands), which produce seminal fluid.
  • Testes Structure:
    • Scrotum: Skin pouch regulating testicular temperature.
    • Tunica Albuginea: Fibrous covering surrounding the testes.
    • Seminiferous Tubules: Coiled structures where spermatogenesis (sperm production) occurs.
    • Interstitial Cells (Leydig Cells): Located between seminiferous tubules, produce testosterone.
    • Testosterone: Principal male sex hormone, regulating sperm production and sexual characteristics.
  • Epididymis: Coiled tube where sperm mature and are stored.
  • Pathway of Mature Sperm:
    • Ductus (Vas) Deferens: Carries sperm from epididymis to ejaculatory duct.
    • Ejaculatory Duct: Formed by vas deferens and seminal vesicle duct; passes through prostate to urethra.
    • Urethra: Duct for sperm and urine exit.
  • Semen (Seminal Fluid): Fluid containing sperm, produced by accessory glands.
    • Seminal Vesicles: Produce fructose-rich portion of seminal fluid.
    • Prostate Gland: Produces fluid nourishing and transporting sperm.
    • Bulbourethral Gland: Produces pre-ejaculatory fluid for urethra lubrication.
  • Male External Genitalia:
    • Scrotum: Houses the testes.
    • Penis:
      • Corpus Spongiosum: Surrounds urethra, preventing collapse during erection.
      • Corpora Cavernosa: Two erectile tissues filling with blood during erection.
      • Glans: Sensitive tip of the penis.
      • Prepuce (Foreskin): Skin covering the glans (removed in circumcision).

Female Reproductive System

  • Gonads: Ovaries, producing ova (eggs) and hormones (estrogen and progesterone).
  • Accessory Organs: Uterine (Fallopian) tubes, uterus, and vagina.
  • Ovaries: Almond-shaped structures on either side of the uterus, producing eggs and hormones.
  • Ovary Functions:
    • Gametes: Produce ova.
    • Hormones: Primarily estrogen and progesterone.
  • Female Reproductive Ducts:
    • Fimbriae: Finger-like projections guiding the egg from ovary.
    • Uterine (Fallopian) Tubes: Transport ova to uterus; site of fertilization.
  • Uterus:
    • Fundus: Upper rounded portion.
    • Body: Main part of the uterus.
    • Cervix: Lower, narrow part opening to vagina.
    • Myometrium: Muscular layer of the uterus.
    • Endometrium: Inner lining, thickening for pregnancy.
  • Vagina: Canal connecting external genitals to uterus.
  • Accessory Glands:
    • Greater Vestibular (Bartholin’s) Glands: Provide vaginal opening lubrication.
  • Breasts:
    • Lactiferous Ducts: Carry milk from lobules to nipple.
    • Areola: Pigmented area surrounding the nipple.
  • External Genitalia (Vulva):
    • Mons Pubis: Fatty tissue over the pubic bone.
    • Clitoris: Erectile structure with nerve endings for arousal.
    • Orifice of Urethra: Urine opening.
    • Labia Minora: Inner folds protecting vaginal and urethral openings.
    • Orifice of Vagina: Opening to the vagina.
    • Labia Majora: Outer folds enclosing and protecting external structures.

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Description

Explore the intricate components of the male reproductive system, including the structure and function of the testes, accessory organs, and the pathway of sperm. This quiz covers key terms and concepts, perfect for understanding male reproductive health and biology.

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