campylo-

(Greek: crooked, bent)

campylobacter
A genus of motile bacteria containing gram-negative, nonsporeforming, spirally curved rods with a single polar flagellum at one or both ends of the cell.

Certain species can cause illness in humans.

campylognathia (s) (noun), campylognathias (pl)
A curved deformity of the jaw: Campylognathia is a very uncommon congenital defect and possibly associated with a cleft lip.
campylotropous (adjective) (not comparable)
Relating to the ovule being curved: A campylotropous plant has its ovules and seeds so curved, or bent down upon themselves, that the ends of the embryo are brought close together.

A campylotropous plant has a flower ovule with a structure that is partially inverted, with the stalk attachment at the bottom and the opening near the bottom.