Ch 24: Terms from review sheet, etc.

31 terms by leashy312 

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Spermatogenesis

This is the term for sperm formation, which begins at puberty

Capacitation

This is one of the last steps in the maturation of sperm; this is required for sperm to be able to fertilize an oocyte; typically occurs after ejaculation (I don't remember her saying this in class but it is on review sheet)

Septum (Septa)

This is a wall which divides a cavity or structure into smaller ones

Prepuce

This surrounds and protects the head of the penis (on a male) and acts as the primary erogenous tissue; on a female this surrounds and protects the head of the clitoris

Secondary sex characteristics (male)

Growth of body/facial hair, deepening of voice, broadening of shoulders are all examples of ____ ____ _____ (____)

Secondary sex characteristics (female)

Growth of body hair, enlargement of breasts, widening of hips are all examples of ____ ____ ____ (____)

Gonads (primary sex organs)

This is the general term for the testes in males or the ovaries in females

Gamete

This is another term for sex cells; sperm in males and ovum (egg) in females

Ovaries

These are the primary sex organs in a female; roughly the same size as testes; lies against the bony lateral wall of the true pelvis

Menstruation

This is the female reproductive cycle; affects all of the reproductive organs; averages 28 days in length

Menopause

The cessation of ovulation and menstruation in females, normally between the ages of 46 and 54; after this, the ovaries stop secreting estrogens and testosterone, skin thins, bone mass declines, reproductive organs start to atrophy

Ova (ovum)

These are the female gametes; technically, female reproductive cells do not reach this stage until after the completion of meiosis II, after the plasma membrane is penetrated by a sperm

Fallopian tube (Uterine tube/oviduct/salpinx)

This is a tube which begins laterally near an ovary and ends medially emptying into the superior part of the uterus; the site for fertilization

(Salpinx) Infundibulum

This is an open funnel of the lateral end of a fallopian tube; opens into peritoneal cavity; finger-like projections drape over ovary

Uterine tube, oviduct

Another term for fallopian tube is ____ ____ or ____

Ampulla

This term means "flask"; the lateral half of a fallopian tube (just medial to the infundibulum) where fertilization usually occurs

Peristalsis

The oocyte's journey is aided by ____ of the smooth muscles in the fallopian tube wall

Uterus

This is an organ of the female reproductive system; anterior to rectum, posterosuperior to the bladder; function is to receive, retain, and nourish a fertilized egg throughout pregnancy

Hysterectomy

The surgical removal of the uterus

Perimetrium

The outermost layer of the uterus, the outer serous membrane; equivalent to the visceral peritoneum

Myometrium

The bulky middle layer of the uterine wall; consists of smooth muscles that contract during childbirth

Endometrium

The innermost layer of the uterine wall; mucosal lining of the uterine cavity; embryo burrows into here after fertilization

Cervix

The narrow neck of the uterus; the inferior end of this projects into the vagina; keeps the uterus closed and the fetus within the uterus during pregnancy

Vagina

A thin-walled tube that lies inferior to the uterus, anterior to the rectum, posterior to the urethra and bladder; provides a passageway for delivery of an infant and received the penis and semen during sexual intercourse

Labia majora

Part of the female external genitalia; two long, hair-covered fatty skin folds (homologue of scrotum); "larger lips"

Labia minora

Part of the female external genitalia; two thin, hairless folds "smaller lips"; enclosed by the "larger lips"

Clitoris

Part of the female external genitalia; a protruding structure composed largely of erectile tissue (sensitive to touch, swells with blood during stimulation); homologous to the penis; contains paired corpora cavernosa like penis (but no corpus spongiosum)

Lactation

This is the secretion of milk from the mammary glands

Areola

A ring of pigmented skin which surrounds a nipple

Lactiferous (Lactiferous ducts carry milk to nipple)

This term means "milk-carrying"

Secondary sex characteristics

These are features induced by sex hormones in the nonreproductive organs

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