APIOS 



101 



APOGAMY 



Apios {ajZ-e-os) [cnziog, a pear]. A genus of plants. 

 A. tuberosa, a twining papilionaceous plant of North 

 America, bearing tubers which when cooked are edible. 

 It is called ground-nut, wild-bean, Indian potato, etc. 

 Said to be alterative. Unof. 



Apis (a / -pis) [L.,abee]. A genus of hymenopterous 

 insects. A. mellifica, the honey-bee ; in homeopathy 

 the poison of the honey-bee's sting, or a preparation 

 thereof. 



Apium [a'-pe-um) [L.]. A genus of umbelliferous 

 plants. A. graveolens. See Celery. A. petroseli- 

 num, is the common garden parsley ; aperient, diuretic, 

 somewhat antiperiodic ; useful in dysmenorrhea. Dose 

 of the fid. ext (of the root) gtt. xv-gj. 



Apjohn's Formula. A formula for determining the 

 dew-point by means of the elastic tension. 



Aplacental {ah-plas-en'-tal) [d priv.; placenta, a cake]. 

 Destitute of placenta. 



Aplanatic {ah-plan-at' -ik) [d priv. ; Tz7ja.va.ziv, to 

 wander]. Not wandering ; rectilinear. A. Lens, a 

 lens corrected for all aberration of light and color. A 

 rectilinear lens. See Objective. 



Aplanogamete (ah-plan-o-gam' '-el-e) [d priv. ; Tz7,dvoc, 

 roaming ; yaperi], a wife] . In biology, the non-motile 

 conjugating cell in certain green algae, i. e. Conjugates. 

 See Planogamate. 



Aplanospore [ah-plan' '-o-spor) . Same as Aplanoga- 

 mete. 



Aplasia \ah-pla' -se-ah) [a priv. ; TzTMaaziv, to form]. A 

 type of incomplete structure by reason of the non-for- 

 mation of a necessary cell-group during the develop- 

 mental stage. Called also Hypoplasia. A., Laminar. 

 Synonym of Facial Hemiatrophy . 



Aplastic (ah-plas' -tik) [d priv. ; Tzldaaziv, to form]. 

 I. Structureless, formless. 2. Not characterized by 

 plasticity : preventive of plastic process within the 

 organism. A. Lymph, one of the products of inflam- 

 mation or disease. A non-fibrinous material incapable 

 of coagulation or organization. 



Apleuria {ah-plu' -re-ah) [d priv. ; Tz7.zvpd, a rib]. Con- 

 genital absence of the ribs. 



Aplotomia (ap-lo-tom' -e-ah), or Aplotomy (ap-lot f -o- 

 me). See Haplotomy. 



Aplysiopurpurin {ap-liz-e-o-per / -pu-riri) [d-/va'a, filth- 

 iness; Tzop<pvpa, a purple dye]. A reddish j.'.jment 

 derived from the Aplysiidse. 



Apnea {ap-ne f -ah) [d priv. ; tzvzzlv, to breathe]. For- 

 merly used as synonymous with asphyxia, meaning 

 breathlessness ; difficult respiration ; partial or com- 

 plete suspension of breathing. It is employed now 

 only in the physiological sense, to denote the 

 condition in which the blood is too highly oxygen- 

 ized. The presence of an over-abundance of oxy- 

 gen prevents stimulation of the medullary respira- 

 tory center, and respiration is arrested in conse- 

 quence. A. infantum. Synonym of Laryngismus 

 stridulus. A. neonatorum, apnea of the new- 

 born child, caused by difficult labor, pressure upon 

 the cord, etc. 



Apneumatic [ap-nu-mat'-ik) [dpriv. ; Tzvzvixa, breath]. 

 I. Collapsed ; uninflated, not inflatable : said of parts 

 of the lung. 2. Carried on with the exclusion of air, 

 as an apneumatic operation or process. 



Apneumatosis {ap-na-mat-o f -sis) [dpriv. ; Tzvzvfidruaig, 

 inflation]. Collapse of the air cells of some parts of 

 the lung caused by blocking of the bronchial tubules, 

 and resulting in a condition of non-inflation whereby 

 the lung tissue is reduced to a condition similar to that 

 of atelectasis, or congenital apneumatosis. 



\pneumia (ap-mi' -me-ah) [d priv. ; Tzvzbfiuv, lung]. 

 Congenital absence of the lungs 



^neumonervia^p-nu-mo-ner'-ve-ah) [d priv.; Tzvzvfiurv, 





lung ; nervus, a nerve]. Deficient nerve stimulus in 

 the lung. 



Apneumoneuria (ap-nu-mo-nu' -re-ah). Same as Ap- 

 neumonervia, 



Apneustia (ap-nus' '-te-ah)[a priv. ; tzvzzlv, to breathe]. 

 Apnea ; breathlessness. 



Apncea (ap-ne'-ah). See Apnea. 



Apo- (ap / -o) [and, from]. A prefix denoting from, 

 away, separation. 



Apoaconitin (ap-o-ak-on' -it-in) \cltz6, from ; aconitum, 

 aconite], C 33 H 41 N0 11 . An alkaloid prepared from 

 aconitin by dehydration. 



Apoatropin (ap-o-af '-ro-pin) [utzo, from ; arpozzog, un- 

 changeable], C 17 H 21 N0 2 . An alkaloid obtained by 

 the action of HNO s on atropin. 



Apoblast (ap J '-o-blast) \jnzb, away; ji/xioroc, a germ]. 

 In biology the unimpregnated ovum ; an outcast cell. 

 See Outcast Cell. 



Apoblema {ap-o-ble' '-mah) [arzo^AJifia ; and, away; 

 Jd/J^iv, to throw]. The product of abortion. 



Apobole {ap-ob f -o-le) \o.tzo^o7.t] , a throwing away]. 

 Expulsion ; abortion. 



Apocarpous (ap-o-kar'-pus) [d7T<S,from; napTzoc, fruit]. 

 In biology, composed of separate or easily separable 

 carpels. 



Apocarteresis [ap-o-kar-ter-e' '-sis) [aTzonapTzprjatg, lack 

 of fortitude] . Suicide by starvation. 



Apocatastasis [ap-o-kat-as' -tas-is) [a-ona-doraoig , res- 

 toration]. The subsidence of an abscess or tumor. 



Apocatharsis {ap-o-kath-ar' -sis) [d~d, away ; uddapoig, 

 purgation]. Purgation; abevacuation. 



Apocathartic {ap-o-kath-ar' -tik). Same as Cathartic. 



Apocenosis (ap-o-sen'-o-sis) \_d~0KZv6ziv, to drain]. An 

 increased flow or evacuation of blood or other humors. 



Apocenotic (ap-o-sen-ot' -ik) [o.tzokzv6ziv, to drain]. 

 Producing apocenosis. 



Apochromatic (ap-o-kro-mat' -ik) \jnz6, away ; xP^, ua > 

 color]. Without color. A Lens, a lens for micro- 

 scopic and optical purposes, with high correction of 

 spherical and chromatic aberrations, and better " defini- 

 tion." A. Objective. See Objective. 



Apocodein (ap-o-ko' '-de-in) \Jxtzo, from ; Kufizia, the 

 head], C 18 H 19 N0 2 . An alkaloid prepared from codein 

 by dehydration. It is emetic and expectorant, with 

 other qualities much like those of codein, and is 

 recommended in chronic bronchitis. Unof. 



Apocope {ap-ok' -o-pe) [d~6, from; kotzj], a cutting]. 

 Amputation or abscission; an operation or a wound 

 that results in loss of substance. 



Apocrustic (ap-o-krus / -tik) [cnzoKpoiiziv, to beat off]. 

 Repellent; defensive; astringent. 



Apocynin (ap-os / -in-in) \_apocynon, dogbane]. The 

 precipitate from a tincture of Apocynum cannabinum ; 

 tonic, alterative, and evacuant. Dose gr. %-). Unof. 



Apocynum iap-os' -in-um) \apocynon, dogbane]. Can- 

 adian Hemp. The root of A. cannabinum. Proper- 

 ties due to an alkaloid, apocynin. A good expectorant. 

 In full doses an emetic and cathartic. Valuable in 

 dropsy. Dose gr. v-xx ; of the alkaloid, gr. %—%.. 

 A. Ext., Fid. Dose Tt\v-xx. A., Tinct. Dose 

 Tt\_v-xl. Should not be confounded with Cannabis 

 indica. Unof. Another American species, A. an- 

 drosaemifolium, has similar properties. Unof. 



Apodemialgia [ap-o de-me-al' -je-ah)\_aTzod/jfj.ia, journey : 

 hy.yziv, to grieve]. A morbid dislike of home-life with 

 a desire for wandering. 



Apodia (ah-po f -de-ah) [d priv. ; Tzovg, a foot]. Absence 

 of feet. 



Apodous (ap / -o-dus) [dpriv.; Tzovg, afoot]. Footless; 

 characterized by apodia. 



Apogamy [ap-og f -am-e) [azzo, away from ; ydjiog, mar- 

 riage]. In biology, I. Asexual reproduction where 



