agastroneuria
plexus celiacus
abdominal nerve plexus
coeliac plexus
solar plexus
have butterflies in one's stomach
tachygastria
gastrology
enteric nervous system
neuromotility
bradygastria
emptiness
wambling
butterfly
perigastritis
gaster
stomick
zatch
belly
gastrectasia
extragastric
stomachal
aerogastria
perigastric
pangastritis
meatbag
stomachical
gut rot
gastroenteroptosis
bellywark
opisthogastric
gastroomental
vomit
upset
circumgastric
gastroptosis
metaventral
esophagus
oesophagus
tum-tum
tympanites
gullet
gastroepithelium
gastrectomy
gastroception
gorge
pharyngogastric
ventral
neurogastroenterology
gastralgia