entrails
innards
intestine
offal
organ
Liver
bowel
breadbasket
excretory organ
gut
heart
hindgut
pump
respiratory organ
stomach
ticker
tum
tummy
urinary organ
viscera
anaconda
basin-shaped
bursae
conch-shell
cube-shaped
dasher
dinner-pail
ill-featured
laminae
ligamentous
nonbattle
overuse
periosteum
plosive
portmanteaux
season-ending
sensitive
tendinous
tight-drawn
traffic-stopping
two-hundred-and-fifty-pound
voluntary