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Urinary & Reproductive systems
N/A
37
Anatomy
Undergraduate 1
01/25/2009

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Term
ureter
Definition
leaves kidney at Hilum
leads to urinary bladder
Term
urethra
Definition
tube exits urinary bladder
leads to the external environment
Term
renal pelvis
Definition
funnel-shaped chamber
funnels to ureter
Term
urigenital sinus/vaginal vestibule
Definition
lies directly ventral to the anus
Term
renal cortex
Definition
contains glomeruli, Bowman's capsules, and proximal and distal convoluted tubules
Term
renal medulla
Definition
contains loops of Henle and collecting ducts
Term
labia
Definition
low folds that laterally bind the urogenital sinus/vaginal vestibule
Term
genital papilla
Definition
protrusion formed by ventrally contacting labia
Term
clitoris
Definition
small body of erectile tissue on the urogenital sinus
homologous to the male penis
Term
cervix
Definition
slightly constricted region of tissue that leads to the uterus
acts as a sphincter to separate the vagina and uterus
Term
uterine horns
Definition
anterior branches of the uterine body
Term
oviducts
Definition
where fertilization takes place
ectremely close the the ovaries
Term
ovaries
Definition
sites of egg production and the source of female hormones (estrogen, progesterone)
Term
gubernaculum
Definition
white cord that connects the posterior end of the testes to the scrotum wall
pulls testes into the scrotum at animal's maturation
Term
epididymis
Definition
where sperm matures until ejaculation
Term
tunica vaginalis
Definition
casing enclosing a single testis
Term
spermatic cord
Definition
slender elongated structure that emerges from each testis
consists of the vas deferens, spermatic nerve, and spermatic artery and vein
Term
inguinal canal
Definition
the canal through which the testes descend
Term
vas deferens
Definition
transports sperm from the epididymis
Term
seminal vesicles
Definition
where vas deferens enters
responsible for 60% of seminal fluid
release fructose to fuel swimming sperm
Term
prostate gland
Definition
produces bicarbonate to neutralize the acidic environment of the vagina
Term
opisthonephros kidney
Definition
develops the entire length of the holonephros
Term
cloaca
Definition
homologous to the mammalian anus
Term
archinephric duct
Definition
tube that caries waste from the kidneys to the cloaca
Term
accessory urinary duct
Definition
in male dogfish
homologous to the female archinephric duct
Term
nidamental gland
Definition
in female dogfish
enlarged area of the oviduct
shown to store sperm for great lengths of time to allow for later fertilization
Term
sperm sac
Definition
last stop before ejaculation
Term
clasper
Definition
homologous to the male penis
Term
clitellum
Definition
most obvious external reporductive feature of an earthworm
Term
male gonopores
Definition
where sperm exits the worm
Term
seminal receptacle
Definition
sperm cells enters other worm
sperm cells are stored here
Term
female gonopores
Definition
storage place for eggs
Term
cocoon
Definition
fertilized eggs in a mucous band
Term
nephridipores
Definition
releases waste products
Term
nephrostomes
Definition
ciliated, funnel-shaped
gather waste produts from nephridiopores
Term
follicles
Definition
where eggs develop and mature in ovaries
Term
ova
Definition
a large, circular cell with a darkly stained nucleus
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