propalinal

pro·pal·i·nal

(prō-pal'i-năl),
Back and forth; denoting a forward and backward movement.
[pro- + G. palin, backward]

propalinal

(prō-păl′ĭ-năl) [Gr. pro, before, + palin, back]
Applied to a backward and forward movement, as of the jaws.
References in periodicals archive ?
Premolars and molars, in contrast to incisors, have an inner layer of radial enamel and an outer layer of multiserial enamel, an arrangement that probably is related to propalinal mastication.
The fact that in each of the three genera enamel ultrastructure differs between incisors, used for burrowing, and premolars and molars, used for propalinal mastication (Peyer, 1968), further suggests the functional importance of enamel structure.
Enamel ultrastructure of incisors, premolars, and molars in Thomomys, Cratogeomys, and Geomys (Rodentia: Geomyidae)
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