Reproductive System Flashcards by Poppy Gloria

Consist of primary and secondary sex organs and sex glands

Reproductive System

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To perpetrate the species through sexual or germ cell fertilization and reproduction

Reproductive system

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Is a pouch of skin suspended from the perineal area and divided into two sacks

Scrotum

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Each sacs contains _________ and ___________

Testicle and epididymis

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The scrotal tissue contracts in the absence of ___________

Sufficient heat

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Runs the length of the penis from the bladder to the meatus

Uretha

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The flaccid penis fills with _______ during arousal, Causing an erection and allowing for the function of copulation/intercourse

Blood

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A lubricant, ________, is produced under the prepuce on the penis

Smegma

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It covers the glands or head that is filled with nerve endings

Foreskin

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The oval shape testes are located in the __________________

Scrotum

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Each oval shape does testes or epididymis are divided into_________

250 lobules

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Coiled within the lobure are_______________where the sperm are formed

Seminiferous tubes

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Mature sperm are stored in the______

Epididymis

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A tube 13 to 20 feet in length, coiled and lying on the side of each testicle

Epididymis

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Covering the head of the sperm that contains enzymes that help it penetrate the ova

Acrosome

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Supplies energy for the sperm

Midpiece

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The tail or__________provide motility

Flagellum

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Sperm carry either an___or___chromosome

X or Y

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Our muscular tubes transporting sperm from the Epididymis to the seminal vesicles

Vas deferens

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The _________ produce a slightly alkaline Fluid that mixes with the sperm and becomes part of the semen ejaculated it during the male orgasm

Seminal vesicles

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It protects the sperm from the acidity of the urethra

Seminal vesicles

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Also Secretes an alkaline fluid that mixes with the sperm as part of the semen

Prostrate Gland

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Produce another mucous Alkaline secretion in the urethra excreted from the glands just before the ejaculation

Cowper’s/ bulbourethral glands

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Produces sperm cells

testis

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Sack of the skin that holds the testis

Scrotum

Deposits sperm into the vagina during mating

Penis

Vas deferens

Carries sperm from testes to urethra

Urethra

Carries sperm and urine out of the body

Secretes a fluid that makes up most of the components of the semen

Seminal vesicle

Prostate gland

Secretes a slightly alkaline milky fluid that is discharged as part of the semen

Bulbourethral gland

Secretes a thick and clear mucus that lubricates and neutralize that any trace of acidic urine in the urethra

- Sympathetic fibers innervate smooth muscle of ductus deferens -*Produces forceful peristaltic contractions* of smooth muscle of the ductus deferens -Peristalsis *propels perm and seminal fluid* out *distal end of urethra*

Ejaculation

-parasympathetic function - stimulates Dilation of penis blood vessels -causing engorgement of penis with blood

Erection

-Conscious thoughts (cerebral cortex) Stimulate correction center in the hypothalamus this in turn causes vasodilation or penile arterioles -Reflux stimulation of Sacral plexus in infants and sleeping adult males (very common in dream states)

Control of Erection

A hollow muscular, *pear-shaped organ*, About the *size of a woman’s clenched fist*

Uterus

The top of the uterus is tipped forward in a normal _______position

Anteflexion

The rounded top portion above the fallopian tubes is called____

Fundus

The uterus is divided into __________ or ___________

Body or corpus

The bottom part of the uterus is ______

Cervix

The uterus is supported and held in position by a number of _________

Ligaments

*Trauma, disease and multiple pregnancies* can **weaken** these resulting in_________

Abnormal positioning

The uterus walls has _____ walls

The outside layer of the uterus is called the ________

Perimetrium

The muscular layer inside the uterus

Myometrium

The mucous membrane lining outside the uterus

Endometrium

The endometrium ______ the lining of the uterus every **21 to 40 days** by *menstruation*

Sheds

It provides a place for the **protection and nourishment of the fetus** during pregnancy

Uterus

It _______ during labor to *expel the fetus*

Opening of the Fallopian tube

Ostium

End of the tube

Infundibulum

Are the finger-like projections around the opening that trap the egg as it leaves the ovary

Fimbria

Is the portion that connects to the uterus

Isthmus

Fallopian Tube widens to for apps the _______

Ampulla

The fallopian tube is ______ long

4-6 inches

It takes an egg about ______ days to travel the length of a tube

3-4

The __________ are attached to each side of the uterus by a ligament

Ovaries

-Are oval shaped -about the size of a large olive - lie close to the fimbria at the end of the Fallopian tube

Ovary

Each ovary is filled with, already at birth, with egg-containing sacs called ______

Follicles

Each egg is called

Ovum

After the follicle ruptures, it becomes a mass of yellow cells called the

Corpus leteum

A mature follicle

Graafian follicle

Is extends from the cervix to the outside of a body. It is a *3 1/2 inch long* muscular tube that **expands** in length and width during *sexual arousal

Vagina

Is the femal organ for copulation, receiving the seminal fluid from the male penis

Vagina

Is the passageway for the menstruation or the birth of a fetus

Vagina

The ____ is *5 organs* making up the *external genitalia* of the female

Vulva

Triangular shape pad of a fatty tissue over the pubis bone, covered with pubic hair

Moms pubis

Two large folds of adipose tissues on the sides of the vaginal opening

Lambia majoraa

Two smaller folds of adipose tissues on the inside of the labia majora

Lanai minora

Area between labia with openings for the vagina, urethra, and two excretory ducts for Bartholin’s glands (provides lubricant)

Vestibule

Sensitive Fold of tissue partially covered by hood

Clitoris

Is the area located between the vagina opening in the anus. It is a muscular sheet that can be torn during childbirth

Perinuem

Some doctors avoid on controlled tearing of the perineum by making a surgical incision called an ___________

Episiotomy

Are mammary glands, varying in size according to age, heredity, and the amount of fatty tissue

Breast

Each breast is ______ glandular lobes separated by*connective tissue*

15-20

The dark colored circle at the tip of the breast

Areola

The first secretion from the breast is not a true milk, but inside a thin yellowish substance

Colostrum

Contains nutrients and the mother’s immunities that can protect the baby

Colostrum

Produces egg cell

Ovary

Receives the penis of male during mating

Vagina

Serves as egg implementation; is where the fertilized egg develops

Uterus

Serves as passageway of eggs from the ovary to the uterus; site of egg fertilization

Oviduct