ACROMIO-HUMERAL 



41 



ACTINOLOGY 



Acromio-humeral (ak-ro' -me-o-hu' -mer-al) [d/cpoc, ex- 

 tremity ; u/noq , the shoulder ; humerus] . Relating to 

 the acromion and the humerus. A. Muscle, the del- 

 toid. 



Acromion (ak-ro' '-me-on) \_anpov, a summit ; cjuoq, the 

 shoulder] . The triangular-shaped process at the sum- 

 mit of the scapula, that forms the attachment of the 

 deltoid muscle. 



Acromio-thoracic (ak-ro 1 ' -me-o-tho-ra' '-sik) [aapufiiov, 

 shoulder ; dtjpaij, thorax] . In anatomy, relating to the 

 shoulder and thorax, as the acromio-thoracic artery. 



Acromio-trapezius {ak-ro' -me-o-tra-pe' -ze-us) [anpu- 

 fuov, shoulder ; trapezium]. In anatomy, a part of the 

 trapezius muscle. 



Acromphalon (ak-rom' -fal-on) [anpov, a point ; buoa- 

 ?mc, the navel]. See Acromphalus. 



Acromphalus (ak-rom' -fal-us) [d/cpov, extremity ; bfupa- 

 Adc. the navel]. I. The center of the umbilicus to 

 which the cord is attached. 2. The first stage of um- 

 bilical hernia, marked by a pouting of the navel. 



Acromyodian (ak-ro-me-o' -de-an) \_anpov, extremity ; 

 /xvq, muscle; uSr/, song]. In biology, having the 

 syringeal muscles attached to the ends of the upper 

 bronchial rings, as in certain singing birds, the Acro- 

 myodi. 



Acromyodic (a-kro-me-od'-ik). Same as Acromyodian. 



Acromyodous (ak-ro-mi' -o-dus) . Same as Acromyodian. 



Acronarcotic (ak-ro-nar-kol'-ik) \acer, sharp ; vapnovv, 

 to benumb]. Both acrid and narcotic. 



Acroneurosis (ak-ro-nu-ro' -sis) [anpov, an extremity ; 

 vevpov, a nerve] . Any neurosis manifesting itself in 

 the extremities. 



Acronyx (ak' '-ro-nix) [anpov, an extremity ; 6ii\f, a 

 nail]. The ingrowing of the nail. 



Acroparalysis | ak-ro-par-al' -is-is) [anpov, an extreme ; 

 ■napa, by ; Xben>, to loose] . Paralysis of the extremities. 



Acroparesthesia, or Acroparsesthesia (ak-ro-par-es- 

 the'-ze-ah) [d/cpov, extremity ; rrapa, around ; aiadrjciq, 

 sensation]. I. Abnormal, or perverted sensation in 

 the extremities. 2. Extreme or confirmed paresthesia. 



Acropathology (ak-ro-path-ol' -o-je) [ aapov, an ex- 

 tremity ; rrdtfoc, disease ; /.070c, treatise]. The pathol- 

 ogy of the extremities. 



Acropathy (ak-rop'-a-lhe) [anpov, an extremity ; -adoq, 

 suffering]. Any disease of the extremities. 



Acropetal (ak-rop' -et-al)\hnpov , the top ; petere, to seek] . 

 In biology, developing from the base or center, up- 

 ward and outward, as many leaves, lateral shoots, or 

 flower clusters. 



Acrophobia (ak-ro-fc/ -be-ah) [aupcv, a height ; 06 3oc, 

 fear]. Morbid dread of being at a great height. 



Acropodium (ak-ro-po > -de-um)[aKpoq, at the top ; ttoAiov, 

 dim. of 7Toic (tto<5), foot]. In zoology, the entire 

 upper surface of the foot. 



Acroposthia (ak-ro-pos' -tlie-ah) [d/cpof, extreme ; rzoadr], 

 foreskin]. The distal part of the prepuce. 



Acroposthitis (ak-ro-pos-thi'-tis) [dxpoc, extreme ; -oo&i], 

 foreskin]. Posthitis. 



Acrorrheuma (ak-ro-ru' '-mah) [cwpov, an extremity ; 

 pevua, a flux]. Rheumatism of the extremities. 



Acrosarcum (ak-ro-sar' -kum) [d/cpoc, at the end ; oap£ 

 (rmpn), flesh]. In biology, a berry fruit produced by an 

 ovary with an adnate calyx, e. g. , a currant or cran- 

 berry. 



Acroscleriasis (ak-ro-skle-ri'-as-is) [axpov, extremity; 

 GKATjpdq, hard]. Sclerotic changes in the extremities. 



Acroscopic (ak-ro-skop' -ik) [anpoq, apex ; oko~eIv, 

 view]. In biology, looking toward the top. 



Acrosphacelus (ak-ro-sfas'-el-as) \hnpov, extremity; 

 c<paK£?s>q, dead]. Gangrene of an extremity. 



Acrospire (ak'-ro-splr) [anpoq, at the top; Cf-dpa, a 

 coil, spire]. In biology, the first sprout of a grain. 



Acrospore (ak' -ro-spor) [d/cpoc, at the end; mropa, 

 seed]. In biology, the spore of one of those fungi 

 that fruit at the summit of simple erect hyphas. See 

 Peronospora. 



Acrospores [ak' -ro-sporz) [aKpo<;, topmost; anopd, a 

 seed]. See Conidia. 



Acrosporous (ak-ros' -po-rus) [d/c/>oc, topmost ; onopa, 

 a seed] . Same as Acrospore . 



Acrotarsial (ak-ro-tar'-se-al) [d^/wc, extremity ; rapaoq, 

 tarsus]. In biology, pertaining to the instep. 



Acrotarsium (ak-ro-tar' -se-um) [d/cpoc, top; rapaoq, 

 tarsus]. The instep. 



Acroteria (ak-ro-te* '-re-a/i) \aiipaTr]pia~\. The extremi- 

 ties. 



Acrothymion, or Acrothymum (ak-ro-thi' -me-ori) 

 [d/cpoc, summit; Bifioq, thyme]. A rugose wart with 

 a broad top. 



Acrotic (ak-rot'-ik) [d/cpoc, extreme, outmost]. Relat- 

 ing to the glands of the skin ; affecting the surface. 



Acrotica [ak-rof '-ik-ah) [d/cpoc, extreme]. Acrotic 

 diseases. 



Acrotism (ah'-krot-izni) [d priv. ; uporoq, striking]. 

 Any defective beating of the pulse ; failure of the 

 pulse. 



Acrotismus [ah-krot-iz' -mus) [d priv. ; uporoq, strik- 

 ing]. See Acrotism. 



Acrylaldehyd (ak-ril-al'-de-hld) \acer, sharp ; aldehyd~\ , 

 C 3 H 4 0. Acrolein, the aldehyd of the allyl series ; 

 obtained by distilling glycerin to which strong phos- 

 phoric acid has been added, or by the dry distillation 

 of fatty bodies ; a colorless, mobile liquid, boiling at 

 52 , possessing a sp. gr. of 0.8410 at 20 . It has a 

 pungent odor and attacks the mucous membranes in 

 a violent manner. It occasions an odor of burning 

 fat. It is soluble in 2—3 parts of water. 



Actea, or Actaea (ak-te'-ali) [aurr/, the elder]. A genus 

 of ranunculaceous plants having active medicinal qual- 

 ities. A. alba, the white cohosh, has much the same 

 qualities as A. spicata. A. cimicifuga is more im- 

 portant. See Cimicifuga. " A. racemosa. See Cimi- 

 cifuga. A. rubra, red cohosh, and A. spicata, are 

 purgative and emetic. 



Actinal (ak'-tin-al) [d/cr/f, a ray]. In biology, per- 

 taining to the oral pole, surface, or aspect of a radiate 

 animal. 



Actine (ak'-tin) [d/cr/c, a ray]. In biology, a spicular 

 ray, in sponges. 



Actinenchyma [ak-tin-en' -kim-aJi) [d/crt'c, ray; eyxvp-a, 

 infusion] . In biology, a tissue of stellate cells. 



Actinic (ak-tin'-ifr) [auriq, a ray]. Referring to those 

 wave-lengths of the spectrum corresponding to the 

 violet and ultra-violet parts of the same that produce 

 chemical changes in the haloid salts of silver, and 

 are therefore valuable in photography. 



Actiniochrome yak-tin' ' -e-o-kroni) [d/crtc, a ray ; jpwua, 

 ■ color] . A red pigment obtained from certain Actinias. 



Actinism (ak' -tin-izm) [d/cr/c, a ray]. The chemical 

 quality of light, or of the sun's rays. 



Actinonematin (ak-tin-o-hem' -a-tin) [d/crw, ray ; al/xa, 

 blood]. In biology, a respiratory pigment found by 

 MacMunn in Actinia. 



Actinoid (ak'-lin-oid) [d/cr/c, ray; elSoq, form]. In 

 zoology, radiate, as a star fish. 



Actinologous (ak-tin-ol'-o-gus) [auric, a ray ; ?^yoq, a 

 word] . In biology, exhibiting actinology. 



Actinologue (ak-lin'-o-log) [d/cWc, a ray ; Myoq , a word] . 

 In biology, a part possessing actinologous homology. 



Actinology (ak-tin-ol' '-o-je) [dxr/c, a ray ; s.oyoq, a word]. 

 In biology, that kind of homological relation that 

 exists between the successive segments, regions, of 

 divisions of a part or organ, in that they radiate of 

 spring from it. 



