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34 Cards in this Set

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Male Essential Organs

-Testes: produce sperm

Male Accessory Organs

-Ducts


-Glands: produce protective and nutrient solution for sperm


-External genitals

3 accessory organs

Testes

-in scrotum


-develop in abdominopelvic cavity then descend into scrotum


-interstitial cells produce testosterone

Functions of the Testes

-Production of testosterone


-Spermatogenesis: sperm production

2 functions

Types of Spermatogenesis

Meiosis: produces 4 spermatids with 23 chromosomes




Spermatozoa: mature spermatids

2 types

Structures of Spermatozoa

-Head: holds genetic material




-Acrosome: contains enzymes to help penetration of egg




-Midpiece: contains mitochondria


-produces energy for movement

3 structures

Ducts of Male Reproductive System

-Epididymis


-Vas Deferens


-Seminal Vesicle


-Ejaculatory Duct

4 ducts

Epididymis

-Along the top and behind the testes in the scrotum




-Where sperm mature and develop

Vas Deferens

-Receives sperm from epididymis




-Joins seminal vesicle to form ejaculatory duct

Seminal Vesicle

-Produces 60% of semen



Ejaculatory duct

passes through prostate

Semen

rich in fructose to provide energy for movement

Prostate Gland

-Male


-Shaped like a donut


-Urethra passes through


-Produces 30% of semen


-Activates motility

Bulbourethral Gland

-Resembles a pea


-Produces a small amount of semen

Genetalia

Penis and scrotum

Female Essential Organs

Ovaries: produce ova

Female Accessory Organs

-Ducts: fallopian tubes, uterus and vagina




-Sex glands: breasts




-External genetilia

3 accessories

Ovaries

-found in pelvis on either side of uterus




-suspended by ligaments called fallopian tubes

Ovarian Follicles

-Contain ooacytes (1 million)




-already present @ birth




-350 - 500 produced during lifetime menstrual cycles

Corpus Luteum

Forms after ovulation where ovarian follicle was

Functions of the Ovaries

-Oogenesis: meiosis


-Production of estrogen and progesterone

2 functions

Meiosis

Produces 4 new eggs but only one survives

Estrogen

Development and maintenance of secondary sex characteristics

Progesterone

Stimulates secretory activity of uterine epithelium and helps estrogen initiate mentruation

Reproductive Ducts

-Uterine (fallopian) Tube


-Uterus


-Vagina

3 ducts

Fallopian Tubes

-Extend 10cm from uterus into abdominal cavity




-Fimbrae: finger like structures of tubes

Uterus

-Body, fundus, cervix


-Just behind bladder


-Myometrium: muscle layer


-Endometrium: inner tissue layer

2 layers

Vagina

Between bladder and rectum

Female Reproductive Glands

-Bartholin's Gland


-Breasts

2 glands

Bartholin's Gland

-secretes mucous like lubricating fluid




-opens between labia minora

Breasts

-AKA mammary glands


-over pectoral muscles


-size determined by fat quantity


-lactiferous ducts drain @ nipple

External Female Genitals

-Vulva


-Perineum

2 genitals

Vulva

-mons pubis


-clitoris


-orifice of urethra


-bartholin's gland


-vagina


-labia minora and majora


-hymen

7 parts, name 4

Perineum

Between vaginal opening and anus