HOB-NAIL LIVER 



570 



HOLOTETANUS 



Hob-nail Liver, or Hob-nailed Liver. A liver covered 

 with small bosselations like the heads of hob-nails ; it 

 is the result of cirrhosis, or of an old and persistent 

 hyperemia. It is called also Gin-drinkers' Liver. 



Hobokenius, Valves of. Crescentic or ring-like ridges 

 on the inner surface of the umbilical vessels, produc- 

 ing constrictions upon their outer surface. 



Hock (hok) [Ger., Hochheimer\. White Hochheimer 

 wine ; any German white wine. 



Hock, Hough [hok) [ME., houz, heel]. The joint on 

 the hind-leg of a quadruped between the knee and the 

 fetlock, corresponding to the ankle-joint in man. In 

 man, the back part of the knee-joint ; the ham. 



Hodgen's Apparatus. A modification of Smith's 

 anterior splint. 



Hodgkin's Disease. See Lymphadenoma and Dis- 

 eases, Table of. 



Hodgson's Dilatation, or Disease. Dilatation of 

 the aorta. It commences with inflammatory and 

 sub-inflammatory changes in the tissues, going on 

 to extreme degeneration, with dilatation of the first 

 part of the aorta. There is sometimes involvement of 

 the aortic valves, with hypertrophy and dilatation of 

 the heart. See Diseases, Table of. 



Hoe (ho) [M.E., howe, a hoe]. A scraping-instrument 

 used in operations for cleft-palate, or in dentistry. 



Hoffmann's Anodyne. See Ether. H.'s Violet. 

 Same as Dahlia. H.'s Method. See Treatment, 

 Methods of. 



Hofmeier's Method. A method of expression of the 

 fetal head. It is carried out by pressure on the head 

 alone, by directly pressing from without upon the oc- 

 ciput and the face from both sides. 



Hofmeister's Method. A method of removing pro- 

 teids from a liquid. To the liquid, rendered faintly 

 acid and heated to boiling, add a solution of ferric 

 acetate, made by saturating acetic acid with recently 

 precipitated ferric hydrate. After boiling for a few 

 minutes and filtering, a solution is obtained which 

 contains neither proteids nor iron. This method does 

 not precipitate peptones. 



Hog [ME., hog, a gelded hog]. I. A gelded pig; a 

 barrow-pig. 2. A glutton. H. -cholera, a specific, 

 highly contagious fever of swine, attended with in- 

 flammation of the lungs, stomach, intestines, and 

 other organs, usually diarrhea, frequently cough, and 

 extravasations of blood in the skin and mucous mem- 

 branes. It is called also Pneumoenteritis . See Bacillus 

 ex pneumo-enteritide suis, under Bacteria, Table of. 

 H.-gum, a name for various West Indian resins. See 

 Gum. H.'s Potato. See Camass. H.-weed. See 

 Ambrosia. 



Hohl's Method. A method of preserving the peri- 

 neum in labor. It consists in applying resistance to 

 the presenting part, the thumb being applied anteriorly 

 to the occiput and the index and middle fingers pos- 

 teriorly upon that portion of the head lying nearest 

 the commissure. 



Holagogue (hol'-ag-og) \okoq, whole; ayuyoc, leading]. 

 A medicine or remedy that expels or drives out the 

 whole of a morbid substance. A radical remedy. 



Holarrhena (hol-ar-e' -nah). See Wrightia. 



Holcodont (hol'-ko-dont) [6A/c<5c, a furrow ; bdovc 

 (bSdvr), tooth]. In biology, applied to teeth planted 

 in a continuous groove. 



Holden's Line. See Lines, Table of. 



Holder (hdld'-er) [ME., holdere, a holder]. A device 

 for holding instruments, sponges, etc., in surgical op- 

 erations. 



Holder's Plane. See Plane. 



Hold-fast [hold' -fast). A " lumpy-jaw " tumor. See 

 Actinomycosis. 



Hollands (hol'-ands). See Gin. 



Hollek (hol'-ek). Same as Hollyhock. 



Hollow-foot (hoi' -o- foot). See Cavus. 



Holly (hol'-e) . See" Ilex. 



Hollyhock (hoi' -e-hok) [AS., holihoc, hollyhock]. A 

 name given to the Althea rosea and other species of 

 Althea. See Althea. 



Holmgren's Test. The worsted test for color-blind- 

 ness. One of the worsteds is placed before the per- 

 son to be tested, and he is asked to match it as nearly 

 as possible. 



Holo- (hol'-o-) \b7,oe, entire]. A prefix signifying 

 entirety. 



Holoblast (hoi' -o- blast) [bTioq, whole; (Haoroq, germ]. 

 In biology, an ovum that undergoes complete seg- 

 mentation while germinating. 



Holoblastic (hol-o-blas'-tik) [b\og, whole ; /3/.aoroc, 

 germ]. In biology, applied to eggs in which the 

 entire yolk is included in the process of segmentation ; 

 one in which there is no separate food-yolk. 



Hologastrula (hol-o-gas' -tru-lah) \b7.oc, whole ; yaari/p, 

 stomach: pi., Hologastrulaf\. In biology, the gas- 

 trula resulting from the development of a holoblastic 

 ovum. 



Holometabolian (hol-o-met-ab-o'-le-an). Same as Hole- 

 metabolic. 



Holometabolic (hol-o-met-ab-ol' -ik) [6aoc, whole ; 

 fieTa(i67ioq, changeable]. In biology, applied to ani- 

 mals that undergo complete metamorphosis or trans- 

 formation, as insects. 



Holonarcosis (hol-o-nar-ko' -sis) [6/loc, complete ; 

 vapaiooLC, stupor]. Complete narcosis. 



Holopathy (hol-op' -ath-e) \bloq, entire ; nddoq, disease]. 

 I. A general or constitutional disease of which a local 

 disorder is but a manifestation. 2. The theory that 

 local diseases are manifestations of a general disorder. 



Holophanerous (hol-o-fan'-er-us) [oaoc, whole; 

 favepbq, visible]. In biology, discernible through- 

 out, as the transformation of insects. 



Holophytic (hol-o-fit'-ik) [6Aoc, whole ; <j>vt6v, plant]. 

 In biology, applied to certain protozoa and other 

 animals that, in their mode of nutrition, closely resemble 

 plants. 



Holoplexia (hol-o-pleks'-e-ah) [blioq, whole ; ~7.f^iq, a 

 stroke]. Complete or general paralysis. 



Holopneustic (hol-op-nu'-stik)[bh>q, whole; kvevctikoc, 

 Trvelv, to breathe]. In biology, applied to such in- 

 sect larvae as possess many pairs of open stigmata, as 

 distinguished from those having no open stigmata, 

 apneustic larvae. 



Holorhinal (hol-o-ri'-nal) [bloc, whole; pig, the nose]. 

 In biology, applied to the Gallina and other bin Is 

 having the anterior margin of the nasal bone con- 

 cave, with two cornua directed forward, the pro< 

 being continuous behind with the body of the bone 

 and with one another. 



Holoschisis (hol-os'-kis-is) [b7.oq, whole ; o 

 cleavage]. Amitotic or indirect cell-division ; ami- 

 tosis. 



Holosericeous (hol-o-ser-is' -e-us) [6/loc, whole ; ar, 

 of silk]. In biology, covered with very minute silky 

 hairs. 



Holosteous (hol-os'-te-us) [oloq, whole ; bar. 

 bone]. In biology, having a completely bony 

 skeleton. 



Holostomatous (hol-o-sto' -tnat-us) \Xkoq, whole ; arona. 

 mouth] . In biology, having the mouth entire, neither 

 notched nor with parts missing. 



Holostomous (hol-os'-to-mus). Same as Holostoma- 

 tous. 



Holotetanus (hol-o-tef -an-us) \b\oq, whole; rtrafoq, 

 tetanus]. General tetanus ; called also Holototua. 



