bladder tree
air bubble
bag
ball
balloon
bleb
blister
blob
blood blister
boll
bolus
bubble
bulb
bulbil
bulblet
bulla
cap and bells
coxcomb
cyst
ellipsoid
fever blister
fob
gall
geoid
globe
globelet
globoid
globule
glomerulus
gob
gobbet
inflate
knob
knot
motley
oblate spheroid
orb
orbit
orblet
pellet
pocket
poke
prolate spheroid
rondure
sac
sack
slapstick
soap bubble
sock
sound
abdomen
airway
anus
artery
bowel
colon
diaphragm
gland
intestinal
intestine
kidney
laryngeal
lung
pancreas
prostate
rectum
renal
spleen
stomach
tract
urethra
urinary
uterus
adder
ladder
madar
madder
sadder