exo-, ex-

(Greek: outer, outside, external; used as a prefix)

exobiology
A branch of biology with a special interest in the search for life on other planets and elesewhere in the universe, and with the study of conditions that might give rise to extraterrestrial life, as well as the study of the effects of extraterrestrial environments.
exobiotic
Living on the exterior of a substrate (substratum) [base to which a stationary animal or a plant is fixed] or the outside of an organism.
exocardia
exocardiac
exocardial
exocarp
exocentric
exocuticle
The outer layer of the procuticle of certain crustaceans and arthropods, which contains cuticulin, chitin, and phenolic substances that are oxidized to produce the dark pigment of the cuticle.
exocytosis
exoderm
exodermis
exodontia
exodontist (s) (noun), exodontists (pl)
A dentist who specializes in the extraction of teeth.
exodontology (s) (noun)
The branch of dentistry concerned with the extraction of teeth.
exodus