ABSTRACTITIOUS 



22 



ACANTHOPELVIS 



fication of the qualities common to the individuals of 

 a group. In pharmacy, the process of distillation. 



Abstractitious (ab-strak-tish'-us) [abstrahere, to draw 

 away]. Susceptible of being abstracted without 

 change from another substance ; derived or derivable 

 by abstraction. 



Abstractum (ab-strak' '-turn) [pi., Abstracla~\. An 

 abstract. See Abstract. 



Abstriction (ab-slrik'-shun) \ab, from ; stringere, to 

 bind]. Spore-formation in lower cryptogams charac- 

 terized by decided constriction of the walls at the place 

 of division. 



Absus (ab'-sus) [L.]. The plant Cassia absus of India 

 and Egypt. Its seeds are locally employed in the 

 treatment of ophthalmia, and are regarded as depura- 

 tive. Unof. 



Abterminal (ab-ter' '-min-al) \ab, from; terminus, end]. 

 Passing from tendinous into muscular tissue (used of 

 electric currents). 



Abulia (ah-bu'-le-ah) [d priv. ; fiovTJ], will]. Loss or 

 defect of will power. 



Abulic (ah-bu'-lik). Characterized by or affected with 

 abulia; of defective will-power. 



Abulomania (a h-bu-lo-ma' -ne-ah) [d priv. ; [3ov?in, 

 will ; /rnvia, madness]. A disease of the mind charac- 

 terized by imperfect or lost will-power. 



Abumbrella (ab-utn-brel'-ah) \_ab, from; umbrella, the 

 disc of acalephs]. In biology, a term applied to 

 the surface of the velum, it being turned away from 

 the disc, in medusae. Opposite of Adumbrella. 



Abuta (ak-boo'-tah) [L.]. A genus of menispermaceous 

 plants. A. amara, affords false pareira brava, and 

 A. rufescens is the so-called white pareira brava. 

 Both are S. American. Unof. 



Abutilon (a-bu' -til-oti) [L.]. A genus of malvaceous 

 plants. A. avicennce, common in the U. S. (velvet- 

 leaf Indian mallow); is demulcent, and is a safe remedy 

 for diarrhea. Unof. 



Abvacuation (ab-vak-u-a'-shun) . Same as Abevacua- 

 tion, q. v. 



Abysmal (ah-biz'-mal) [abyssus, abysm]. Fathom- 

 less. Pertaining to great depths in the ocean. See 

 Abyssal. 



Abyssal (ah-bis'-al) [a(ivaaoc, without bottom]. In 

 biology, refers to plants and animals inhabiting the 

 depths of the ocean between 109 and 1000 fathoms. 

 A. Theory of Light, an hypothesis assuming the im- 

 portance of phosphorescence and of luminous organs in 

 fishes and other animals in depths of the ocean where 

 no sunlight penetrates. 



Acacia (nh-ka'-she-ah) [L. ; Gr., (Mania], 1. A large 

 genus of leguminous trees, shrubs, and herbs, many of 

 them Australian or African. Many of the species are 

 medicinal, and some are poisonous. The bark is usually 

 very astringent. Gun arabic is produced by various 

 speci< •-,, mostly either African or Asiatic. 2. A. 

 anthelmintica. See Mussanin. A. catechu. 

 See Catechu. A. Ichbek, A. nilotica, A. vera, 

 and A. verek, are among the species that furnish 

 gum arabic. 3. Gum Arabic. A nearly white trans- 

 parent gum exuding from Acacia Senegal. Soluble in 

 water. Used in th< manufacture of mucilage. Contains 

 Arabiti, (\.,l I ,,< >„, identical in composition with cane- 

 sugar. A., Mucilage, acacia 34, water ioo parts; 

 ■ iii[>ntil>)<- with alcoholic tinctures. A., Syrup, 

 mucilage 25, syrup, simp. 75. Used in various 

 mixtures as a <1< inuh cut and to suspend insoluble 

 powder-. 



Acajou [ak a zhoo'\. See Cashew. 



Acaleph (ak'nl cf) \jutaXfftij, a. nettle, a sea-nettle]. 

 In biology, one of the acalepha.-, or sea-nettles; a 

 medusa, a sea-blubber. 



Acalephoid (ak-al-ef '-oid) [anaM/py, a nettle, a sea 

 nettle]. Resembling an acaleph. 



Acalycal (ah-kal'-ik-al) [d priv. ; k62,v^, calyx]. In 

 biology, used to describe stamens inserted upon the 

 receptacle, not adherent to the calyx. 



Acalycine (ah-kal'-is-in) [d priv. ; nakv^, calyx]. In 

 biology, lacking a calyx, acalycinous. 



Acalyculate (ah-kal-ik' '-u-lat) [a priv.; calyculus, a 

 calycle]. In biology, having no calycle, or accessory 

 calyx. 



Acalypha (ah-kal'-if-ah) \aK.a\v<fi]c, unveiled]. A 

 genus of euphorbiaceous plants. A., Ext., Liq. 

 Uose Tt^ x-^j. A. fruticosa, of India, is useful in 

 dyspepsia and diarrhea, and is tonic and alterant. A. 

 hispida has similar uses. A. indica, a euphorbia- 

 ceous plant, common in India. The leaves are expec- 

 torant, emetic, laxative. A. Succus. Dose for an 

 infant 5JJ. Unof. A. virginica, of JVorth America, 

 is diuretic and expectorant. 



Acamathesia (ak-am-ath-e'-ze-ah) [anafiaOijoic;']. Same 

 as Akatamathesia. 



Acamathesis (ak-am-ath-e' -sis) [d/ca^dftyeve] . Same as 

 Akatamathesia . 



Acampsia (ah-kamp 1 '-se-ah) [d priv. ; kci/httteiv, to 

 bend]. Inflexibility of a limb. 



Acanaceous (ak-an-a'-se-us) [anavor, a prickly shrub] . 

 In biology, beset with prickles, as the edges of some 

 leaves. 



Acantha (ak-an' -thah) [anavda, a thorn]. In botany, 

 a thorn or prickle ; in zoology, a spine or fin ray ; in 

 anatomy, a vertebral process. 



Acanthaesthesia (ak-anth-es-the'-ze-ah). See Akan- 

 thesthesia. 



Acanthia lectularia (ak-an' -the-ah lek-chu-la' -re-ah) 

 [L.]. The common bedbug. 



Acanthial (ak-an' -the-al) [dnavdiov, a little thorn]. 

 Pertaining to the acanthion. 



Acanthichthyosis (ak-anth-ik-the-o' -sis) [dnavdiov, a 

 little thorn; 'ixd'vq, a fish]. Ichthyosis spinosa, q. v. 



Acanthion (ak-an' '-thc-on) [arnvdiov, a little thorn]. 

 See Craniotnetrical Points. 



Acanthocarpous (ak-anth-o-kai- 4 '-pus) [ciicavda, a thorn ; 

 napndr, fruit]. In biology, spiny-fruited. 



Acanthocephala (ak-an-tho-sef -al-ali) \aaavda, spine ; 

 KefyaTJ], head] . An order of parasitic worms, character- 

 ized by a thorny armature of the head and proboscis. 

 They are generally grouped in one genus, Echinor- 

 rhynchys. They infest pigs, birds, and fishes, and in 

 their larval stage live in crustaceans. 



Acanthocephalous (ak-anth-o-sef '-al-us) [hnavda, a 

 spine; netyaTii], head]. In biology, spiny-headed. 



Acanthocladous (ak-anth-ok'-lad-us) \_anav6a, a spine ; 

 K?.d6og, a branch]. In biology, possessing spiny 

 branches. 



Acanthoid (ak-an' -thoid) [anavda, a spine]. Resem- 

 bling a spine, or spicula; spinous. 



Acanthological (ak-anth-o-loj' -ik-al) \JiKavQa, a spine ; 

 16ytiv, to speak]. In biology, pertaining to the knowl- 

 edge of spines. 



Acantholysis (ak-an-thoi' -is-is) [ anavda, prickle ; Ivaic, 

 a loosening, a wasting]. Any skin disease in which 

 there is an atrophy of the prickle-layer. A. Bullosa. 

 See Epidermolysis. 



Acanthoma (ak-anth-o'-muh) [anavda, a spine : //., 

 Acaut'io'mata~\. A localized excessive growth in any 

 part of the prickle-cell layer of the skin. 



Acanthomastic (ak-anth-o-mas'-tik) [luuxvda, a spine; 

 fiaarixv, mastic]. A gum produced by Atractylis 

 gummifrra, a plant of the Mediterranean region; 

 valued in the Oriental countries. Unof. 



Acanthopelvis (ak-anth-o-pei' -vis) [dnavda, thorn f 

 n!7. vf, pelvis]. Same as Acanthopelys. 



