koilorachic

adjective

koi·​lo·​rach·​ic

variants or koilorrhachic

¦kȯilō¦rakik,

-lə¦-

: having the lumbar region of the spinal column concave ventrally

Word History

Etymology

koilo- (from Greek koilos hollow) + rach-, rrhach- (from Greek rhachis spine) + -ic

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