ACROMPHALIUM 



38 



ACTION 



Acromphalium, Acromphalum. See Acromphalus. 



Acromphalus. (See Illus. Diet. ) 3 The remains of 

 the umbilical cord attached to the child. 



Acromyle {ak-rom'-il-e) [cinpov, a point ; fivhf, patella]. 

 The patella. 



Acron (ak'-ron) [L. pi. acrones~\. 1. The apex or ex- 

 tremity of a structure or organism. 2. An irritating 

 ointment. 



Acronarcotic. (See Illus. Diet. ) 2. An agent which 

 combines an irritating and obtunding effect ; acting 

 either directly upon the peripheral nerves when ap- 

 plied externally, or upon the brain and spinal cord, 

 producing paralysis, convulsions, and narcosis. 



Acronychia [ak-ro-ne'-kc-ah) [anpov, point ; bvv;, nail]. 

 The tip of the nail. 



Acronychous {ak-ron'-ik-us) [a.Kpuvvxoc~\. Furnished 

 with claws, nails, or hoofs ; achronychous. 



Acropinacon {ak-ro-pin' -ak-on) {acrolein ; pinacone~\. 

 C 6 H. O 2 . A substance obtained from acrolein by ac- 

 tion of nascent hydrogen. Syn., Acrylic pinacon. 



Acroplethysmograph [ak-ro-pleth-iz f -mo-graf). See 

 Plethysmograph (Illus. Diet.). 



Acrosaline {ak-ro-sa'-lin) [acer, sharp; sal, salt]. 

 Having acrid and saline properties. 



Acrosarcous {ak-ro-sar'-kus) [aapov, apex ; cap^, 

 flesh]. Having a fleshy extremity or apex. 



Acrose (ak'-ioz). A substance isolated from the con- 

 densation products of glycerose (an oxidation product 

 of glycerol) and formaldehyd and forming the starting- 

 point for the synthesis of fruit-sugar, grape-sugar, and 



monnose. 



Acrostichum (a/c-ros' ' -tik-uni) [hupov, a point ; ort'^'oc, 

 a line of writing]. A genus of ferns of the order 

 Polypodia ceic. A. aureum, Linn., a tropical species ; 

 the rhizome is used in decoction, for dysentery and dis- 

 ease of the spleen. A salt prepared from the leaves 

 is applied to ulcers. A. dichotomum, Forskal, an 

 Arabian species [medjabese or mejahoese\ ; the leaves 

 are applied to burns. A. flavens, Humb. and Bonpl., 

 a South American species, used as a laxative. A. 

 furcatum, Forster, an Australian species having edi- 

 ble rhizomes. A. huacsaro, Ruiz., a Peruvian spe- 

 cies ; the rhizomes enter commerce as a substitute for 

 the true Radix calaguala. [Cf. Polypodiwn calaguala, 

 Ruiz.] It is said to be sudorific and anthelmintic. 

 A. sorbifolium, Willd., a West Indian species. The 

 juice is mixed with oil, ginger, and pepper, and used 

 as a cataplasm in sick headache. 



Acroteriasis [ak-ro-te-ri-a f -sis) [aKporr]piaL,eiv, to cut 

 off the extremities]. Mutilation by the loss of an ex- 

 tremity, especially a hand or foot. In teratology, the 

 absence of such a part. 



Acroteriasmus (ak-ro-te-ri-as'-mus). Same as Acro- 

 teriasis. 



Acroteric (ak-ro-ter'-ik) [aupwri/pia, the extremities]. 

 Relating to the extremities; applied to conditions in 

 which the extremities are most affected. 



Acroterion (ak-ro-te'-re-on). See Acroteria (Illus. 

 Diet.). 



Acroteriosis (ak-ro-te-ri-o'-sis). See Acroteriasis. 



Acrothorax (ak-ro-thbr'-aks) [liKpnUupa^, slightly drunk]. 

 I. Easily intoxicated. 2. On the point of intoxication. 



Acrothymiosis, Acrothymium (ak-ro-tJii-me-o'-sis,ak- 

 ro-thi'-nie-uni) [bxpoc, pointed ; 0biuov,& large wart]. 

 See Condyloma acuminatum. 



Acrotrophoneurosis {ak-ro-tro-fo-nu-ro'-sis) [iicpov, an 

 extremity ; rpotf)/'/, nourishment ; vtvpov, nerve]. A 

 trophic disturbance of the extremities of central origin. 



Acrozymus (akro-zim'-us) [anpturiitic, slightly leav- 

 ened]. Impregnated with leaven. 



Acryl {al-'-ril ). See Allyl (Illus. Diet.). 



Acrylate Uik'-ril-at). A salt of acrylic acid ; acroleate. 



Act {akt) [agere, to put in motion] . The fulfilment of 

 a purpose or function. A., Imperative, the act of an 

 insane person in response to an imperative morbid im- 

 pulse. A., Sexual. See Coitus (Illus. Diet.). 



Actinesthesia {ak-tin-es-the'-se-ah) [auric, a ray; 

 alaf)r/aic, sensation]. The capacity of certain larvas 

 which are destitute of any apparent visual organ for 

 perceiving light and distinguishing the direction in 

 which it appears. 



Actiniform (ak-tin'-e-for/u) [auric, a ray; forma, 

 form]. Ray-shaped; radiate. 



Actinism. (See Illus. Diet.) 2. The radiation of 

 heat or light, or that branch of science which treats 

 of it. 



Actinium (ak-tin'-e-wn) [d/cr/c, a ray]. A supposed 

 element discovered by Phipson in 18S1 in association 

 with zinc. It is metallic and is said to resemble 

 titanium. 



Actinobacillosis [ak-tin-o-bas-il-o 1 '-sis) [auric, ray : ba- 

 cillus']. A disease of cattle and other domestic animals 

 due to a bacillus which produces radiate structures in 

 the affected tissues. It is of frequent occurrence in 

 Argentina. Potassium iodid acts almost as a specific. 



Actinobolia {ak-tin-o-bo' -le-ah) [a.KTivo/3o/.eiv, to radi- 

 ate]. I. A term formerly used to express the process 

 by which the impulses of the will are conveyed to the 

 different parts of the body. 2. Van Helmont's term 

 for the phenomena now included under hypnotism. 



Actinobolism, Actinobolismus (ac-tin-ob' -o-lizm, ak- 

 tin-ob-o-liz' -tuns). See Actinobolia. 



Actinocerate, Actinocerous {ak-tin-os'-ur-at, -us) j 

 [auric, a ray; nepaq, a horn]. Having horn-like pro- I 

 cesses radiately arranged. 



Actinochemistry (ak-tin-o-kem' '-is-tre) [d/cr/c, a ray ; , 

 Xr/fieia, chemistry]. Chemistry which deals with the 

 decomposition of substances by light. 



Actinodermatitis (ak-tin-o-dur-ma—ti'-tis) [am 

 ray; dipua, the skin]. Cutaneous lesions produced by j 

 application of the x-rays. Syn., Kadiodertnatitis. 



Actinogram {ak-tin 1 -o-gratn) [auric, ray; ypd<j>eiv, to 1 

 write]. The record made by the actinograph. 



Actinograph [ak-tin'-o-graf). An apparatus to meas- 

 ure the actinism of sunlight. 



Actinography. See Actinology. 



Actinology. (See Illus Diet.) 2. The science of the' 

 chemic action of radiant light; actinograph] 

 The part of zoology which treats of the Radiata. 



Actinolyte {ak-tin'-o-ht) [auric, a ray; Aveiv, to loose], j 

 An apparatus designed for use in actinotherapy. 



Actinomeris (ak-tin-om' -ur-is) [auric, a ray ; 

 a portion]. A genus of plants of the order ( otnp 

 A. helianthoides, Nutt., a North American spi 

 said to be beneficial in cases of gravel and dropsy. 



Actinometer {ak-tin-om' -et-er) [auric, a ray ; 1 

 measure]. An apparatus for determining the inti 

 of the solar heat-rays. 



Actinometry {ak-tin-om'-et-re). The measuremi 

 the intensity of the radiation of the sun. 



Actinomycotic {ak-tin-o-mi-ko? -ik). Dependeni 

 or pertaining to actinomycosis. 



Actinophthalmic {ak-tin-of-thal'-tnik) [auric, a 

 cHpttaAuoc, the eye]. Furnished with ey< 

 tapetum of which has a high capacity for refli 

 light. 



Actinotherapy {ak-tin-o-t/ier f -a/>-c) [auric, a ra\ ; 

 Trim, therapy]. The therapeutic use of actinic 1 



Action. (See Illus. Diet. ) A., After-, the brief p 

 tence of negative variation of the electric current in 

 tetanized muscle. A.s, Animal, voluntary 

 incuts. A. of Arrest. See Inhibition (Illus. Dfct-M 

 A., Automatic. See A., Reflex (Illus. Diet.). A 

 Capillary. See Attraction, Capillary (Illus. Diet. 



