63 terms

Fetal Pig Dissection

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umbilical cord
connects fetus to placenta
umbilical vein
carries blood to fetus
umbilical artery
carries blood to placenta
vein
carries blood to heart
artery
carries blood away from heart
vestigial
organ no longer functioning
hard palate
forms roof of mouth
soft palate
separates nasal cavity from oral cavity
scrotal sacs
contain testes
testes
produce testosterone and sperm
urogenital opening
in both males and female pigs, excretory and reproductive system opening
genital papilla
female pig's urogenital opening
fetal
not born
gestation
period of development
abdominal cavity
area inferior to thoracic cavity
liver
removes wastes, produces bile, stores vitamins, converts glucose to glycogen
gall bladder
stores bile
bile
aids in digestion of lipids
common bile duct
passage from gall bladder to small intestine
rugae
ridges in stomach
cardiac valve
separates esophagus from stomach
mesentary
thin tissue that holds organs in place
spleen
stores blood and produces white blood cells
pyloric valve
separates stomach from small intestine
duodenum
first section of small intestine
pancreas
produces insulin and secretes digestive fluids
Islets of Langerhans
areas in pancreas that produce insulin
large intestine
absorbs water from digested food
small intestine
completes chemical digestion and absorbs nutrients into circulatory system
caecum
produces bacteria to help break down plant cell walls
villi
projections in small intestine that absorb digested food
thoracic cavity
contains heart and lungs
diaphragm
separates thoracic and abdominal cavities
thymus
produces thymosin
pericardial sac
holds heart in place and protects it
coronary artery
supplies heart muscle with food and oxygen
atria
heart's two upper chambers
ventricles
heart's two lower chambers
superior vena cava
brings blood to heart from anterior region of body
inferior vena cava
brings blood to heart from posterior region of body
pulmonary arteries
carry blood to lungs
ductus arteriousus
allows blood to bypass pulmonary circulation
larynx
vocal chords; produce sounds
thyroid
makes thyroxine
thyroxine
regulates metabolic functions
trachea
connects larynx to lungs
epiglottis
flap of tissue covering trachea
kidneys
filter urea from blood
renal artery
carries blood to kidneys
renal vein
carries blood away from kidneys
ureter
passage from kidneys to bladder
urinary bladder
stores urine
urethra
passage through which urine leaves body
ovaries
produce hormones(estrogen and progesterone) and produce and release eggs
oviducts
a.k.a. fallopian tubes. carry eggs to uterus.
zygote
fertilized egg
birth canal
vagina
testosterone
male sex drive hormone. larger muscles and size.
dura mater
tough membrane below skull that protects brain
pia mater
thin membrane directly over brain that protects brain
cerebrum
conscious thinking and action
longitudinal fissure
narrow channel that divides right and left brain
cerebellum
reponsible for muscle coordination and balance
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