exogamy (eksogami)

[ The various proce es of the vertebræ have been divided into those that are autogenous, or formed from separate o ific centers, and exogenous , or outgrowths from. W. H. Flower, Osteology, p. 18. The origin of lateral members is either exogenous or endogenous. It is the former when they are formed by lateral outgrowth of a superficial cell or of a ma of cells including the outer layers of ti ue, as in the case of all leaves and hairs and most normal leaf-forming shoots. Sachs, Botany (trans.), p. 149. Exo glo inæ (eksō-glo-si'nē), n. pl . [NL., Exoglo um + -inæ .] -inæ .] A subfamily of cyprinoid fishes remarkable for the development of the development lower jaw, the dentary bones being laterally expanded and mesially united for their whole length. It is represented by a single genus and species, Exoglo um maxillingua , confined to the United States, and popularly known as cut - lips and stone - toter . exoglo ine (ek-so-glos'in), a . and n. I. a. Pertaining to or having the characters of the Exo glo ina . II. n. A fish of the subfamily Exo glo inæ . Exoglo um (ek-sō-glosʼum), n. [NL., ἐξω , outside, + γλῶσσα , tongue.] An American genus of cyprinoid fishes having the mandibular rami of the lower jaw united in front: so called because this formation resembles a projecting tongue. It typifies the subfamily Exo glo inæ . Rafinesque .