PAR 



306 



PAT 



parthenogenesis, n., pdrth'Zn-d- 

 j&n'&S'is (Gr. partkenos, a virgin; 

 genndo, I produce), the repro- 

 duction of plants or animals 

 "by ovulation, yet without the 

 immediate stimulus of the male 

 principle ; in bot., the produc- 

 tion of perfect seed with em- 

 bryo, without the application of 

 pollen. 



partite, a., pdrt'-U, also parted, 

 a., pdrt'Zd (L. partltus, divided 

 or shared), cut down to near the 

 base, the divisions being called 

 ' partitions. ' 



parturition, n. , pdrt'-ur'ish'tin (L. 

 parturio, I bring forth), the act 

 of bringing forth, or of being 

 delivered of young : parturient, 

 a., part-urgent, bringing forth, 

 or about to bring forth young. 



Passifloracese, n. plu., pas'si-flor- 

 of'Sb-e (L. passid, a suffering, 

 passion, passus, suffered ; flos, a 

 flower, floris, of a flower), the 

 Passion-flower family, an Order 

 of plants, so named on account 

 of a fancied resemblance in the 

 flowers to the appearance of the 

 wounds of Christ, as the nails, 

 blood, and pillar, presented at 

 Calvary : Passiflorese, n. plu., 

 pas'si-flor'-Z-e, a tribe or Sub- 

 order, forming climbing plants : 

 Passiflora, n., pas'-si-fldr'-a, an 

 interesting and elegant genus of 

 plants: Passiflora edulis, Id-ul'-is 

 (L. edulis, eatable) ; and P. laur- 

 ifolia, Idwr f -i<f6l f -i-a (L. laurus, 

 the laurel ; folium, a leaf), are 

 species producing succulent and 

 grateful fruit in hot climates : P. 

 quadrangularis, lcwod-rang f -gul> 

 aitis (L. quadrus, square from 

 quatuor, four; angulus, a corner), a 

 species whose roots are emetic and 

 powerfully narcotic : passiflorin, 

 n. , pas'si-jlor'-in, the peculiar and 

 active principle of preceding. 



passive, a., pas'-sw (L. passus, 

 suffered), applied to a morbid 

 condition in which there is no 

 special activity manifested ; de- 



noting a failure of nutritive and 

 formative powers of a part ; 



"denoting the result of another 

 morbid change in some organ or 

 tissue on which its own tissue is 

 dependent, e.g., passive con- 

 gestion or regurgitation of blood 

 from a weak heart. 



pastil, or pastille, n., pas-til' (L. 

 pastillus, an aromatic lozenge), 

 an aromatic or medicated sugar- 

 drop or lozenge ; a composition of 

 aromatic resins, in the form of a 

 small cone, burnt to clear and 

 perfume the air of a room with 

 its smoke. 



Pastinaca, n., past'-tn-dlc'-a (L. 

 pastindca, a carrot ; pastmum, a 

 kind of dibble), a genus of plants, 

 Ord. Umbellifera, so named from 

 their shape : Pastinaca sativa, 

 sdt-iv'a (L. sativus, sown or 

 planted), the parsnip, a well- 

 known culinary vegetable. 



patagium, n., pat-adf-i-urn (L. 

 patdgium, an edging or border of 

 a dress), the expansion of the 

 integument by which bats, flying 

 squirrels, etc., support themselves 

 in the air. 



patella, n., p&t-%l'-l& (L. patella, 

 a small pan or plate), in anat., 

 the knee-cap or pan, the place 

 where it moves upon the os fem- 

 oris being called ' trochlea ' ; a 

 sesamoid bone developed in the 

 tendon of insertion of the great 

 extensor muscles of the thigh ; in 

 bot., a round or convex sessile 

 apothecium in Lichens : patellar, 

 a., pat>U'>lar, of or pert, to a 

 patella. 



patent, a., pdt'Znt (L. patens 

 lying open), in bot., spreading 

 widely ; expanded. 



pathetic, a., p&fo-U'-fk (Gr. path- 

 Ztilcos, liable to suffering from 

 pathos, suffering), the fourth 

 nerve, being the motor of the 

 superior oblique muscle of the 

 eye, which turns up the eye, 

 hence the name. 



pathognomonic, a., 



