The building blocks of English

Affixes

sial(o)-

Also siala‑.

Saliva; salivary gland.

Greek sialon, saliva.

A sialagogue (Greek agōgos, eliciting) is a drug that promotes the secretion of saliva; sialorrhoea (US sialorrhea)(Greek rhoia, flow, flux) is excessive production of saliva; a sialolith (Greek lithos, stone) is a calculus, a stony accretion, formed in a salivary gland or duct; sialography is radiographic examination of a salivary gland; sialadenitis is an inflammation in a salivary gland; sialic acid is a substance present in saliva. See also ptyalo‑.