agenesicadj.

1864 C. C. Blake in tr. P. Broca On Phenomena Hybridity p. x Agenesic. Mongrels of the first generation, entirely unfertile, either between each other, or with the two parent species, and consequently being unable to produce either direct descendants or mongrels of the second generation.

1889 Therapeutic Gaz. 15 May 293/2 He [sc. Chauveau] proved that there are conditions in which heat and air favor, hinder, or prevent, the development of the bacillus anthracis. To the first of these conditions he gave the name eugenesic; to the second, the name of dysgenesic; to the third, that of agenesic.

1907 Uncle Remus's Mag. July 36/1 The foolish disregard for these and other differences in the social manifestations of sex accounts for the existence of more old maids than any other. These women are not really agenesic as some of them would have us believe.

1920 Q. Publ. Amer. Statist. Assoc. 17 183 In the graph..the contour for zero is the agenesic boundary, and the region outside of this is the agenesic region, i. e. it represents the series of ages and durations of marriage which are characterized by sterility.

2004 L. W. Tentler Catholics & Contraception iii. 104 Catholic seminarians..had been taught about the existence of an ‘agenesic’ or ‘safe’ period—that time in a woman's menstrual cycle when she was unable or at least unlikely to conceive.

1900 E. A. Schäfer Text-bk. Physiol. II. 839 Early arrest of the development of the brain has the same effect, producing abnormal facility of the spinal reflexes, e.g. in agenesic porencephaly.

1986 European Jrnl. Radiol. 6 2 83 All patients were later submitted to laparascopy and/or surgery and 13 cryptorchid testes and 3 atrophic or agenesic testes were found.

2005 A. Castriota-Scanderbeg & B. Dallapiccola Abnormal Skeletal Phenotypes ii. 139/1 In nevoid basal cell carcinoma syndrome.., several rib abnormalities are evident, including bifid, fused, splayed, agenesic, and hypoplastic ribs.