bio rat dissection

pina

ears

nares

nose/nostrils

vibrissae

whiskers

pelage

fur

dorsal

back

ventral

belly/front of body

lateral

side

cranial/anterior

towards the head

caudal/posterior

towards the tail/butt

proximal

closer to the body

distal

further away from the body (hands, feet)

thoratic

chest area/ body cavity above diaphram

abdominal

stomach area/body cavity above diaphram

pectoral

shoulders, front legs

pelvic

hips, back legs

cervical

neck

pectoralis major/minor

muscles in V shape on chest

biceps brachii

top of “flexed” arm

triceps brachii

bottom of “flexed” arm

gastrocnemius

revealed when a cut is made at the black line, bottom leg

external obliques

sides/ belly muscle

masseter

cheek

latissimus dorsi

thin strip by/above front leg

gluteus maximus

upper back leg muscle

biceps femoris

lower back leg muscle

salivary gland

blobs by the masseter muscle

esophagus

tube pressed up against trachea

liver

huge brown blobbed organ

stomach

found under the liver

esophageal sphincter

where esophagus meets the top of the stomach

spleen

brown finger shape, usually tucked under the intestines off to the side

small intestine

coil of small tube

cecum

sack in the middle of the mass of small intestines

pyloric sphincter

where the small intestine meets the bottom of the stomach

large intestine

large, straight tube found under the small intestines, right before the exit through the anus

trachea

ribbed tube in the throat

lungs

surround the heart

heart

blob in the middle of the chest

diaphram

flap of tissue that separates thoracic from abdominal cavity

atria

top sections of the heart

ventricles

bottom sections of heart

coronary arteries

spider blood vessels on outside of heart

aortic arch

red vessel above heart

vena cave

blue vessel above heart

renal veain/arteries

go to kidneys

hepatic veins/arteries

go to liver

illiac veins/arteries

branch into legs

vein

carry blood to heart

artery

carry blood away from heart

kidney

dark beans found under all other organs

ureter

tiny tube from kidney to bladder

urinary bladder

nubbin close to caudal region of the base of the abdominal cavity

testes

balls inside scrotal sac/male reproductive organ

epididymis

surrounds testes

seminal vesicles

upper horns by bladder

prostate gland

lower globs by bladderbas

vas deferens

tube connecting teste to body

uterine horn

two arm extending away from bladder

ovary

bulb at the top of the horn/female reproductive organ

thymus

above heart

pancreas

suspended in connective tissue near stomach

adrenal gland

nubs above each kidney