Lab Practical Pig

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Terms in this set (...)

cranial/anterior
toward the head
caudal/posterior
toward the tail
dorsal
toward the back/spine
ventral
toward the belly
lateral
away from midline
medial
toward midline
proximal
near the point of reference
distal
further from point of reference
umbilical vein
vein present during fetal development that carries oxygenated blood from placenta into growing fetus
ductus venosus
shunts a portion of the left umbilical vein blood flow directly to the inferior vena cava
umbilical arteries
return deoxygenated blood to the placenta
liver
primary site of conversion of glucose into glycogen (and vice versa), synthesis of bile, and has 5 lobes
gall bladder
yellow-green colored sac where bile is stored; located beneath right central liver lobe
esophagus
connects pharynx to the stomach; conduit for food and liquids that have been swallowed to reach stomach
stomach
secretes acid and enzymes that digest food; also contract periodically to churn food for digestion
small intestine
most digestion and absorption of food happens here
duodenum
first and shortest segment of small intestine; receives partially digest food from stomach to prepare for absorption in small intestine
pancreas
converts food we eat to fuel; exocrine function (digestion) and endocrine function (regulates blood sugar)
mesentery
highly vascularized (many blood vessels) thin membrane; supports course of small intestine
large intestine
absorb water from remaining indigestible food matter and transmit useless waste material from body
caecum
absorb fluids and salts that remain after completion of intestinal digestion/absorption
spleen
filter for blood as part of immune system (not part of digestive organ)
kidneys
filter waste products from blood
ureters
tube that carries urine from kidney to urinary bladder
urinary bladder
muscular sac in pelvis; stores urine
urethra
conducting urine from bladder to outside of body
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ovaries
produce eggs for fertilization and reproductive hormones
oviducts
transmission ova from ovary to the uterus; provide necessary environment for fertilization
uterine horns
the points where uterus and fallopian tubes feet
uterus
nurturing fertilized ovum and holding it till baby is mature enough for birth
vagina
conduit for menstrual flow
scrotum
contains testicles and many nerves/blood vessels
testes
produce sperm and hormones
vas deferens
transports mature sperm to urethra in preparation for ejaculation
urogenital canal
where urethra delivers urine and sperm
penis
conduit for urine to leave body
rectum
temporary storage site for feces
diaphragm
primary muscle used in process of inhalation; separates thoracic cavity from abdominal cavity
thoracic cavity
contains heart and lungs
abdominal cavity
contains digestive and urogenital organs
posterior vena cava
largest vein the body
dorsal aorta
largest artery in the body
lungs
provides oxygen to capillaries so they can oxygenate blood
heart
organ that pumps blood through blood; supplies oxygen and nutrients to tissues and removing CO2 and other wastes
larynx
manipulates pitch and volume
thyroid gland
releases hormones that control metabolism
trachea
connects larynx to bronchi of lungs; provides air flow to and from lungs for respiration
bronchi
shuttle air to and from lungs
pericardial sac
thin membrane surrounding the heart
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veins
returns deoxygenated blood back to heart after arteries carry blood out; have thinner walls than arteries
anterior vena cava
major vein draining anterior portion of body
brachiocephalic vein
forms union of left and right subclavian veins and left and right external and internal jugular veins
left and right subclavian veins
empty blood from upper extremities and carry it back to heart
left and right external and internal jugular veins
carry oxygen-depleted brain from brain, face, and neck and transport it to heart
left and right renal veins
drain kidneys
common iliac veins
drain hind limbs
arterires
carry blood away from heart
pulmonary artery
major artery exiting right ventricle to bring blood to lungs
aortic artery
major artery extending from aortic arch through the thoracic cavity into abdomen
brachiocephalic artery
artery branching off aortic arch on the pig's right side that branches to form other arteries
right subclavian artery
delivers blood to R forelimb
L and R common carotid arteries
delivers blood to the head/neck
left subclavian artery
delivers blood to the L forelimb
L and R renal arteries
deliver blood to kidneys
external iliac arteries
deliver blood to hindlimbs
umbilical arteries
brings deoxygenated blood to the placenta
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