I;l< (METRY 



207 



BIRD'S-NEST 



Biometry {bi-om'-et > . life ; ukrpov, a measure]. 



Life-measurement; the estimation of the probable 

 duration of any given life form — in the past or future. 



Biomorphotic (bi-o-tnor-fof-ik) [fiiog , life ; fio 



lit for shaping]. In biology, having an active pupa. 



Biondi's Fluid. A staining-medium used in b 

 logic laboratories. It i- a mixture <>l orange-G., 

 methyl-green, and acid fuchsin. See Stains, 



Bionergy (bi-on' -er-je) [fiiog, life; ipyov, work]. Life- 

 force; force exercised in the living organism. 



Bionomy {bi-on r -o-tne) [fiiog, life; vofiog, a law]. 

 Dynamic biology; biodynamics; the science of the 

 laws of life. 



Biontology (bi-on-tol'-o-jc) [fiiog, life; £>t>(bvT), being; 

 ziyeiv, to speak.]. In biology, the physiology of tin- 

 species or genus, embracing the transi I or 

 strictly philosophic in physiology (J. Aitken Meigs.) 



Biophagous (bi-off* -ag-us) [ >' <» , life ; tpayeiv, to eat]. 

 Feeding upon living organisms, or upon living tissue, 

 as insei ti\ ■ irous plants. 



Biophore (bi'-o-for) [fiiog, life; tykpeiv, to bear]. One 

 of Weismann's hypothetic " bearers of vitality," cor- 

 responding to the " plasomes " of Wiesner and Briicke 

 and to the " pangenes " of de Vries, the smallest 

 units that exhibit the primary vital forces, the bearers 

 of the cell-qualities. 



Biophysiography (bi-o-fiz-e-og' -ra-fc) [fiioc, life ; <f>vaig, 

 nature; ypatyciv, to write]. Descriptive or structural 

 biology ; organography, as distinguished from bio- 

 physiology. 



B'ophysiology (bi-o-fiz-e-oF-o-je) [[Hoc, life ; tyvoig, na- 

 ture ; /oyoc, science]. That branch of biology that in- 

 cludes organogeny, morphology and general physi- 

 ology. 



Bioplasm [bi 1 '-o-plazni) [fiiog, life; irX&Gfia, form]. 

 Any living matter, but especially germinal or forming 

 matter ; matter possessing reproductive vitality. See 

 Protoplasm. 



Bioplasmic [bi-o-plaz 1 '-mik) [fiiog, life; tz'/Aap-a, form]. 

 Relating to or of the nature of bioplasm. 



Bioplasson [bi-o-plas* '-on) [fiiog, life ; ir'/Aaauv, form- 

 ing]. Flsberg's term for living matter. A synonym 

 of protoplasm or bioplasm. 



Bioplast [bi' -o-plast) [fiiog, life; irXaorSg, formed]. A 

 mass or cell of bioplasm which is a unit of living 

 matter. 



Bioplastic (bi-o-plas'-tik) [fi'oc, life; Tr?.aaroc, formed]. 

 Relating to or of the nature of a bioplast or of bio- 

 plasm. 



Biopsic (bi-op'-sik) [fiiog, life ; otjnc, vision]. Pertain- 

 ing to biopsy. 



Biopsy [bi'-op-se) [fiiog, life; bif/ig, vision]. Observation 

 of the living subject ; opposed to necropsy. 



Biorbital {bi-orb' -it-al) [bi, two; orbila, a path]. Re- 

 lating to both orbits. 



Bioscope (bi'-o-skop) [,.3/oc, life; BKonelv, to view] . An 

 instrument used in bioscopy. 



Bioscopy [bi-ds f -ko-pe) [Hoc, life ; gko-eIv, to examine]. 

 Examination of the body to ascertain if life be extinct. 

 B., Electro-, examination by the aid of the electric 

 current. The muscular reaction is lost to faradic 

 stimulation in about two hours after death in the 

 tongue; after three or four hours in the extremities ; 

 after five or six hours in the trunk. The reaction to 

 galvanism persists somewhat longer. 



Biosis (bi-t/sis) [fiiog, life]. life; vitality. 



Biostatics [bi-o-staP-iks) [fiiog, life; nrariKoc, causing 

 to stand]. Static biology ; the science of the deter- 

 minate parts of biology, including anatomy, and the 

 physics of the living body. 



Biot's Respiration. See R biration. 



Biotaxis (bi-o-taks'-is) [fiiog, life ; ra;ia, arrangement]. 



I. The selective and arranging function or activitv of 

 life, or of living 'ells. 2. Systematii biology; the 

 1 lassification of living organisms. 



Biotaxy [bi'-o-taks-e). £ 



Biothalmy {bi' '-o-thal-me) [ 



life ; O&Akeiv, to be vigorous]. '1 he art of living long 

 and well. 



Biotic [bi-ot'-ik) [ iiuruc6g'\. Pertaining to life or to the 

 laws of animal and vegetable progress and evolutii 



Biotome [bi'-o-tom) [ Mog, life; TOftf, a cutting]. A 

 term applied by Cobbold to a stage in the development 

 ol certain entozoa. 



Biotomy {bi-of -o-me) [fiiog, life ; - to cut]. Vi- 



visection. 



Biparasitic (bi-par-as-it'-ik) [bi, two ; napdairog, a 

 parasite]. Parasitic upon a parasite. 



Biparietal [bi-par-i' -et-al) [bi, two; parietes, a wall], 

 lating to both parietal bones. B. Diameter, the 

 distance from one parietal eminence of the cranium to 

 the other. 



Biparous {pip 1 '-ar-us) [bi, double; parere, to bring 

 forth]. Producing two at a birth. 



Bipartite {bi-par'-ttt) [bi, two; pars, a part]. In 

 biology, composed of two part- or divisions. 



Biped (bi'-ped) [bi, two; pes, a foot]. With or having 

 two feet. 



Biperforate (bi-p.r'-f rat [bi, two; per/oratus, 1 

 through]. Having two perforations ; as a biperforate 

 hymen. 



Bipetalous [bi-pet f -al-us) [bi, two; Trira'/ov, a petal]. 

 In biology, having two petals. 



Biphosphate [bi- fas' -fat) [bi, two; phosphorus']. In 

 chemistry, an acid phosphate. 



Biphosphid (bi- fos' -fid) [bi, two; phosphorus]. In 

 chemistry, a phosphid containing twice as much phos- 

 phorus as the lower member of the phosphid serio. 



Biphosphite [bi-fos'-fit) [bi, two; phosphorus]. In 

 chemistry, an acid phosphite. 



Bipinnate [bi-pin'-Ot ) [bi. two ; pinnatus, feathered]. 

 In biology, doubly pinnate, as a leaf. 



Bipolar (pi-po* -Inr) [bi, two; polus, a pole]. Having 

 two poles. B. Nerve-cells, nerve cells that have 

 two prolongations of the cell-matter. Thev are 

 found chiefly in the ganglia of the gray matter of the 

 brain. 



Bipubiotomy (bipu-be-ot'-o-me) [bi, double; pi 

 pubes; * . tocut]. An obsolete operation fin the 



place of the Cesarean section) in which the pubic 

 bones were both divided. See Galbiati's and Fara- 

 beuf ' s Operati n . 



Birch (berck) [AS., birce\. Any tree of the genus 

 /':. Birch tar, or the tarry oil of B. alba, is 

 useful in certain skin diseases. The bark of / 

 the American black birch, yields a fragrant volatile 

 oil, identical with that of Gaullh ; ocumbens, for 



which it is often substituted. B. Camphor. >ame 

 as B. Resin. B. Resin. SeeBetufin. Oleum betulae 

 volatile, volatile oil of betula, oil of sweet birch. 



Bird-lime [berd'-tlm). A viscous vegetable substance 

 used in Japan as a local dressing for wounds. 



Bird's Formula. The last two figures of the specific 

 gravity of urine nearly represent the number of grains 

 of solids to the ounce contained in the urine. The 

 same two figures multiplied by 2 (Trapp's Factor! 

 give the parts per iooo. Haeser's Factor is 2.33. 

 B. Operations. See Operations, Table of. 



Bird's-nest Bodies, or Cells. The cells of certain 

 forms of carcinoma, di-tin:niished by the concentric 

 arrangement of their cell-walls. See also Cancer 

 ts. B. Edible, the nest of certain species of 

 swift, used by the Chinese as food. It consists of 

 marine alga;, Gelidium, cemented by the salivary 



