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31 terms

Ch 24: Terms from review sheet, etc.

STUDY
PLAY
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