SPHYGMOLOGY 



1353 



SPILOPLANIA 



Sp 



hygmology (sfig-mol'-o-je) [otivyuoc, pulse ; /-oyog, 

 treatise]. The sum of what is known regarding the 

 pulse. 



hygmomanometer ( sfig -mo- man - om ' - et - er) 

 [aovy/idg, pulse; fiavog, rare ; /lirpov, measure]. An 

 instrument for measuring the tension of the blood- 

 current. See Blood-pressure. 



Sphygmometer (sfig-mom'-et-er). See Sphygmograph. 



Sphygmophone (sfig' -mo f on) [aovy/iog, pulse; yuvi], 

 sound]. I. A sphygmograph that marks each pulse- 

 wave by sounding. 2. An apparatus in which a mi- 

 crophone is employed for the medical examination of 

 the pulse. 



ihygmoscope (sfig' -mo-skdp)[p§vyfLog, pulse ; ono-elv, 

 to examine]. An instrument for showing mechani- 

 cally the movements of the heart or the pulsations of 

 a blood-vessel. S., Gas-, makes registration by a gas- 

 jet. 



hygmoscopy (sfig-mos' -ko-pe) [cr<frvyfi6g, pulse ; gko- 

 TreiVjto observe]. The art of tracing the pulse-curve 

 by the sphygmoscope. 



hygmo-systole (sfig- mo- sis' '-to-le) [oovyfiog, pulse ; 

 avaro/.i/, contraction]. The influence of the cardiac 

 systole upon the pulse. 



hygmotechny (sfig'- mo - tek - tie) [aovyuog, pulse ; 

 rix v> l, art]. The art of diagnosis and prognosis by 

 means of the pulse. 



hygmotonometer (sfig-mo-to-nom' -et-er) [a<pvyuog, 

 pulse; rovog, tone; /xirpov, measure]. An instru- 

 ment for use in estimating the elasticity of the arterial 

 walls. 



hygmous (sfig'-mus) [oQvytidg, pulse]. Pertaining 

 to or having the nature of a pulse. 



Sphygmus (sfig / -mus) [a<pvyii6g, pulse]. The pulse; a 

 pulsation. 



Sphyrotomy (sfi-rot'-o-me) [oovpa, malleus ; tout/, a cut- 

 ting]. An operation consisting in the removal of the 

 malleus or its handle, together with a portion of the 

 membrana tympani. 



Sphyxis (sfiks'-is). See Pulsation. 



Spica (spi'-kah) [L.]. I. A spike or spur. 2. A spiral 

 bandage with reversed turns. S. -bandage. See 

 Bandage. 



icate (spi'-kat ) [spica, a spike]. In biology, arranged 

 in the form of a spike ; spurred. 



pice (sfiis) [ME.,j/w, spice]. An aromatic vegetable 

 substance used for flavoring ; a condiment. S. -berry, a 

 popular name for Gaultheria procumbens . S. -plaster. 

 t See Emplastrum aromaticum. S. -poultice, a poul- 

 tice made from the mixture of a variety of spices. S.- 

 wood. See Fever Bush. 



Spiced (splst) [ME., spice, spice]. Flavored by means 

 of spice. 



Spiciferous (spi-sif'-er-us) [spica, a spike ; ferre, to 

 bear] . In biology, bearing spikes. 



Spiciform (spi'-siform) [spica, spike ; forma, form]. 

 Having the form of a spica. 



Spicose, Spicous (spi'-koz, spi'-kus) [spica, spike]. 

 In biology, having spikes. 



Spicula (spik'-u-lah) [dim. of spica, a spike: //., 

 Spicula']. A small spike-shaped bone or fragment of 

 bone. 



icular (spik'-u-lar) [spicula, a spicule]. Having the 

 form of a spicule. 



Spiculate (spik'-u-ldt) [dim. of spica, a spike]. Hav- 

 ing the shape of, or covered with spicules. 



Spicule (spik'-iil) [dim. of spica, a spike]. A needle- 

 shaped body; a spike. S., Bony, a needle-shaped 

 bone or fragment of bone. S. -sheath, in biology, 

 the investment of a sponge-spicule. 



Spiculiferous (spik-u-lif'-er-us) [spicula, spicule ; ferre, 

 to bear]. Having spicula. 



Spiculiform (spik / -u-lifornt) [spicula, spicule ; forma, 

 form]. Having the form of a spicule. 



Spiculigenous (spik - u - lij'- en - us) [spicula, spicule ; 

 yevrjg, producing]. Producing spicules. 



Spiculigerous (spik - u - lij' - er - us) [spicula, spicule; 

 gerere, to bear]. Same as Spiculiferous. 



Spiculose, Spiculous (spik'-u-loz, spik'-u-lus) [spicula, 

 spicule]. Having spicules. 



Spiculum (spik'-u-lum) [spiculum, a little sharp point : 

 //., Spicula~\. In biology, a spicule, or spicular 

 organ, as the spiculum amoris or copulatory organ of 

 certain worms and molluscs. 



Spider (spi'-der) [ME., spither, a spider]. An arthro- 

 pod of the class Arachnida. S. Cancer. See Acne 

 rosacea. S. -cells ; in biology : (a) Bacilli the fla- 

 gella of which are present in such numbers as to give 

 the microbes the appearance of minute spiders. See 

 Bacillus typhi abdominalis, under Bacteria, Synonym- 

 atic Table of; (b) the characteristic cells of the neu- 

 roglia. They have numerous long and delicate pro- 

 longations. See also Deiters' Cells. S. Nevus. See 

 Acne rosacea. Ss'. 'Web 4pela aranea), formerly 

 much used as a hemostatic, and also in some systemic 

 diseases ; used also as a moxa, with the blow-pipe. 



Spigel's Line. See Lines, Table of. 



Spigelia (spi-je'-le-ah) [after Adrian van der Spiegel, a 

 Belgian physician]. Pink-root. The roots of 5". 

 marilandica. A popular vermifuge, generally admin 

 istered with senna. In large doses an uncertain 

 cathartic. Dose gr. xx-^ij. S., Ext., Fid. Dose for a 

 child rr^x-xx ; for an adult 5 j-ij. S., Infus., Comp., 

 " worm-tea," " pink and senna," unof. ; spigelia 15, 

 senna, fennel aa 10, manna 30, water 500. Dose 

 !|jss— v. S. anthelmia,oi tropical America, has simi- 

 lar properties. 



Spigelian Lobe (spi-je'-le-an) [after Adrian van der 

 Spiegel, a Belgian physician]. The lobe of the liver 

 projecting from the back part of the under surface of 

 the right lobe. 



Spigelin (spi-je'-lin) [after Adrian van der Spiegel, a 

 Belgian physician]. An alkaloid said to exist in the 

 anthelmintic species of Spigelia, of which it appears to 

 be an active principle. 



Spigelius, Line of. See Lines, Table of. S., Lobulus 

 of. See Spigelian Lobe. 



Spike (spik) [spica, a spike, ear of corn]. 1. In biology, 

 that form of indeterminate anthotaxy in which the 

 flowers are sessile, or nearly so, and arranged on a 

 lengthened axis. 2. A sharp point. 3. S. -lavender, 

 a plant, Lavandula spica ; it yields oil of spike. 



Spiked (spikt ) . See Spicate. 



Spikelet (spi'-klet) [spica, a. spike, ear of corn]. In 

 biology, a small or secondary spike ; applied to the 

 inflorescence of grasses. 



Spikenard (spik'-nard) [ME., spikenard, spikenard]. 

 Xard. A name given to the rhizome of various 

 species of valerian, and especially to A'ardostachys 

 jatamansi, formerly much used in medicine, now 

 used in washes and unguents, chiefly in the Orient. 

 Unof. It is not to be confounded with American 

 spikenard, Aralia racemosa. 



Spillman's Soap. A soap used in treating syphilis. 

 It is made of pure olive-oil and caustic potash, with 

 which is incorporated 50 per cent, of mercury. It is 

 neutral in reaction and causes no irritation. A por- 

 tion of the body is lathered with the soap, and after 

 drying it is covered with thin paper or some suitable 

 garment. After 24 hours the part is washed off and 

 dusted with rice-powder. 



Spiloma (spi-lo'-mah) . See Ntevus vascularis. 



Spiloplania (spi-lo-pla' -ne-ah) [gkiIxh;, a stain ; irlavr], 

 wandering]. A condition characterized by transient 



