Rat Anatomy and Physiology
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64 Terms
cranial region - head
cervical region - neck
pectoral region - area where front legs attach
thoracic region - chest area
abdomen - belly
pelvic region - area where back legs attach
vibrissae - whiskers, external anatomy
incisors - teeth, external anatomy
pupil - dark opening of the eye, external anatomy
nictitating membrane - inner corner of eye, can be drawn across eye to protect it, external anatomy
pinna - ear, external anatomy
teats - nipples (only females), external anatomy
anus - booty hole at base of tail, external anatomy
vaginal opening - opening above anus, external anatomy
uretha - opening above vaginal opening, carries urine from bladder to urethral orifice, external anatomy and urogential system
gastric - V shaped muscle below jaw, opens mouth, muscular system
masseter - cheek muscle, chewing, muscular system
biceps brachii - anterior surface of upper arm, muscular system
triceps brachii - sides and back of upper arm, muscular system
spinotrapezius - on dorsal thoracic region (back of chest), muscular system
latissimus dorsi - posterior to spinotrapezius (behind and out), muscular system
biceps femoris - side of thigh, muscular system
tibialis anterior - front of leg, muscular system
gastrocnemius - lower leg calf muscle, muscular system
achilles tendon - connects gastrocnemius to heel, muscular system
external oblique - side of abdomen, muscular system
gluteus maximus - lower back and rear (butt), muscular system
(muscle)
pectoralis major/minor - located in chest, muscular system
three salivary glands (picture unsure?)
sublingual, submaxillary, parotid, head and neck
lymph glands (picture unsure?)
anterior to salivary glands, circular, pressed against jaw muscles, head and neck
trachea - between the larynx and esophagus, characterized by the ringed cartilage, head and neck
esophagus - underneath trachea, head and neck
larynx (picture unsure?)
anterior to trachea, voice box, head and neck
diaphragm - layer of muscle separating thoracic from abdominal region, thoracic
identify the organ and the membrane covering it
heart - centrally located in thoracic cavity, thoracic
pericardium - thin membrane encasing heart, thoracic
atria - dark colored chamber at top of heart, thoracic
(bottom chamber)
ventricles - dark colored chambers at bottom of heart, thoracic
thymus gland - directly above heart, helps with development of immune system, thoracic
lungs - on either side of heart, thoracic
(artery)
coronary arteries - on top of heart, helps supply blood to the heart, circulatory system
(branching from heart)
aorta - begins at left ventricle of heart, circulatory system
brachiocephalic artery - first visible branch from the aorta, circulatory system
right common carotid artery - supplies the right side of neck, circulatory system
right subclavian artery - supplies right shoulder and arm, circulatory system
left common carotid artery - supplies blood to left side of neck, circulatory system
internal and external carotid, circulatory system
left subclavian artery - supplies blood to left shoulder and arm, circulatory system
abdominal aorta, circulatory system
renal arteries - lead to kidneys, circulatory system
inferior mesenteric artery - connects to intestinal mesenteries, circulatory system
caudal artery - posterior to abdominal aorta, goes into tail, circulatory system
femoral arteries - in leg, circulatory system
illiolombar arteries, circulatory system
kidneys - large bean shaped structure, primary organs of the excretory system, urogenital system
renal arteries and veins - supply kidney with blood, urogenital system
bladder, urogenital system
(picture unsure?)
ureters - attach to kidneys and lead to bladder, urogenital system
cortex and medulla (kidney)
cortex - outer area
medulla - inner area
adrenal glands - yellowish glands above the kidneys, urogenital system
vagina - dorsal to urinary bladder, reproductive system
uterine horns, reproductive system
ovaries - tops of uterine horns, reproductive system
purpose of the circulatory system
move blood through the body
purpose of urogenital system
excretory system - removes waste
reproductive system - create gametes