LSB258 Lecture 9: Reprodutive Physiology

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peachguinea-pig552

7 Nov 2018

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The male reproductive system includes all the organs responsible for the production of sperm (the male gamete) Also includes the organs that are involved in synthesising and transporting semen. Testis responsible for the production of sperm and testosterone (male sex hormone) Epididymis site where sperm matures and develops the ability to be motile. Mature sperm is stored here until ejaculation. Vas deferens long tube which conducts sperm from the testes to the prostate gland (which connects to the urethra) during ejaculation. Seminal vesicle secretes fluid containing fructose (to nourish sperm), mucus (to protect sperm) and prostaglandin (triggers uterine contractions) Prostate gland secretes an alkaline fluid to neutralise vaginal acids (necessary to maintain sperm viability) Bulbourethral gland secretions flow into penile urethra. Urethra conducts sperm / semen from the prostate gland to the outside of the body via the penis (used to convey urine: prostatic urethra, membranous urethra, penile urethra.

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CHOOSE ALL THAT APPLY!!! Review your Lecture note packet on the Male Reproductive Anatomy. Read the following statements - and select all statements that are FALSE (hint: there are 4 FALSE answers in this question!)

		Testes - The 2 major functions of the testes are the produce spermatozoa and produce androgen hormones (testosterone)
		Testes - The nurse cells or sustentacular cells produce testosterone
		Epididymis - The epididymis has 3 regions - a head, body and a tail.
		Ductus (vas) Deferens - The extended portion of the ductus (vas) deferens as it nears the prostate gland is called the spermatic cord.
		Ejaculatory Duct - the ejaculatory duct passes through the prostate gland.
		Male Reproductive Glands - The prostate gland produces the majority of the volume of semen fluid.
		Male Reproductive Glands - The seminal vesicle produces fluids that help nourish the sperm, stimulates smooth muscle contraction and forms a temporary clost in the female's vagina.
		Male Reproductive Glands - The bulbourethral glands secrete a thick, alkaline mucus that helps neutralize any urinary acids that may harm the spermatozoa.
		Spermatozoa - The middle piece of the spermatozoa contains mitochondria and geneteic material in it.
		Spermatozoa - The head of the spermatozoa contains an acrosomal cap that contains enzymes that help during fertilization.

Identify the organ that corresponds with each of the following functions-1) Organ that allows the male to pass urine and semen leave the from his body; organ that enters the female's body during sexual intercourse.-2) Passage way through which urine and semen leave the penis.-3) Glands that produce sperm and the male sex hormone (testosterone)-4) Muscular sac where urine is stored.-5) Pouch of skin that holds the testes and controls temperature for sperm production.-6) The head or end of the penis: filled with highly sensitive nerve endings; particularly sensitive to stimulation.-7) Passageway for the sperm- 8) Coiled tube system in which sperm mature. A) Scrotum B) Urethra C) Bladder C) Vas deferens D) penis E) Testis F) Epididymis G) Seminal vesicle H) Prostate gland I) Cowper's gland J) Glans penis

rubysalmon267

Lab 11 â Urinary and Reproductive Systems

Prelab. Define all of the following terms/structures.

Lab. Be able to ID these terms/structures on pictures/models AND generally define them along with function!

**DONâT NEED TO NOW ON MODELS

Urinary system:

Kidneys

Hilum

Renal cortex

Renal medulla

Ureters

Urinary bladder

Urethra

Adrenal gland

Reproductive system:

Gametes**

Gonads

External genitalia

Male anatomy:

Testes

Seminiferous tubules**

Epididymis

Ductus deferens (vas deferens)

Spermatic cord**

Inguinal canal**

Ejaculatory duct

Urethra

Accessory glands

Seminal glands (seminal vesicles)

Prostate gland

Bulbo-urethral gland

Female anatomy:

Ovaries

Uterine tube (Fallopian tube, oviduct)

Infundibulum

Fimbriae

Uterus

Cervix

Endometrium

Myometrium

Perimetrium

Vulva

Labia minora

Clitoris

Mons pubis

Labia majora

pinkwhale636

LSB258 Lecture 9: Reprodutive Physiology

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