INFARCT 



611 



INFLORESCENCE 



the period of normal adolescence or even into adult 

 life. 



Infarct {in-farkt') [infarcire, to fill in]. An obstruc- 

 tion or plug. I., Anemic, a pale wedge-shaped area 

 in an organ due to the occlusion of a blood-vessel 

 bv an embolus, the tissues in the distribution of the 

 iel undergoing coagulation-necrosis. I., Hemor- 

 rhagic, a dark-red wedge-shaped area in an organ due 

 to the occlusion of a vessel by an embolus, with the 

 subsequent extravasation of blood into the tissues be- 

 yond the point of obstruction. The base of the wedge 

 is toward the periphery, the apex toward the hilum of 

 the organ. The condition is most common in the 

 spleen, the kidney, and the lung. I., Uric Acid, the 

 deposition of crystals of uric acid in the renal tubules 

 of the newborn. 



Infarction | in-f ark' -shun) [infarcire, to stuff in]. The 

 plugging of a vessel by an embolus ; the masses of 

 extravasated blood in the tissues in embolism ; obstruc- 

 tion ; infarct. 



Infarctus in-fark' -tus) . See Infarct. 



Infect \in-fekt r ) [inficere ■, to put in, or corrupt]. To 

 communicate or transmit the specific virus or germs of 

 disease. 



Infection (in-fek / -shun) [infectio, infection]. The 

 communication of disease-germs or virus, by any 

 means, direct or indirect. 



Infectious {in-fek'-shus) [infectio, infection]. Having 

 the quality of transmitting disease or the agents that 

 cause disease. See also Contagious. I. Endocardi- 

 tis, ulcerative endocarditis ; malignant endocarditis. 

 I. Pseudo-rheumatism. See Pseudo-rheumatism. 



Infective tin-fek / -tiv) [infectio, infection]. Infectious. 

 I. Angioma. See Angioma serpiginosum. 



Infectivity (in-fek-tiv / -it-e) [inficere, to infect]. In- 

 fectiousness ; the quality of being infectious. 



Infecundity (in-fe-kun' -dit-e) [in, not ; fecundus, fruit- 

 ful]. Sterility, barrenness. 



Inferent in'-fer-ent). Same as Afferent. 



Inferior hi-fe'-re-or) [comp. of inferus, low]. Lower. 



Inferius in-fe'-re-us) [L.]. Inferior. 



Infero-lateral {in'-fer-o-lat'-er-al) {inferus, low; 

 iattts, side]. Situated below and to one side. 



Infero-posterior (in / -fer-o-pos-te / -re-or) [inferus, low ; 



I posterius, posterior]. Situated backward and below. 

 rtility \in-fer-til' -it-e) [in, not; fertilis, fertile], 

 as Sterility. 



Infibulation (in-fib-u-la' -shun) [in, in; fibula, a clasp]. 

 An operation formerly employed to prevent the retrac- 

 tion of the prepuce over the glans penis in order to 

 prevent copulation. It consisted in passing a ring 



I through opposite edges of the prepuce. In a similar 

 manner a ring was passed through the labia of the 

 vagina in order to insure the chastity of females, 

 nfiltrate (in'-fil-irdt) [in, in ; fllrare, to strain}. To 

 ooze into the interstitial spaces of a tissue ; also, the 



-:ance thus having passed, 

 nfiltration {in-fil-tra' -shun) [infiltratio, infiltration]. 

 The abnormal diffusion of any fluid from without into 

 an organ or tissue, affecting it mechanically so as to 

 ! destroy its function. I. of Bone, a tuberculous in- 

 filtration of bone, consisting either of matter that 

 becomes puriform, or else of gray cancellous matter. 

 I . Calcareous, deposits of lime or other calcium 

 , salts within any tissue of the body. I., Cellular, 

 the primary exudation into a tissue, conveying white 

 corpuscles. I.. Fatty, the presence of oil or fat- 

 globules in the interior of a cell. I., Gray, an opaque 

 condition of the lung found after death from acute 

 rculosis, the lung being of a dirty ash-gray color, 

 with no appearance of lobulation or of the normal pul- 

 monary structure. I ., Plastic, that of a character from 



II 



which new normal growth may develop. I., Red, a 

 form of infiltration of the lung in acute tuberculosis in 

 which the lung presents a more or less hyperemic ap- 

 pearance, and is soft and granular. I., Sanguineous, 

 an extravasation of blood. An ecchymosis. I., Tu- 

 berculous, a confluence of tuberculous granulations. 



Infinite (in' -fin-it) [infnitus, boundless]. Immeasur- 

 ably or innumerably great. I. Distance, a term in 

 optics to denote parallelism of the light rays. Absolute 

 parallelism does not exist, but, practically, rays from 

 an object 20 feet away are so considered and so called. 



Infinitesimalism (in-fin-it-es' -im-al-izm) [infinitus, 

 boundless]. The doctrine that favors the infinitesimal 

 dilution of drugs with the view of potentizing them, 

 or developing their power over disease. 



Infirm (in-ferm') [infirmus, not strong or firm]. Weak 

 or feeble. 



Infirmary {in-fer / -ma-re) [infirmarium , an infirmary]. 

 A hospital. An institution where ill and infirm people 

 are maintained during the period of treatment. 



Infirmity (infer* -mite) [infrmitas, weakness]. Weak- 

 ness. Feebleness due to disease or senility. 



Inflame [in-ftdm') [inflammare, to set on fire]. To 

 undergo inflammation. To become unduly heated 

 and turgid with blood, owing to a morbid condition. 



Infiammatio (in-flam-a'-she o) [L.]. A burning. I. 

 ventriculi. See Gastritis. 



Inflammation (in-flam-a' '-shun) [infiammatio, a burn- 

 ing]. A condition of nutritive disturbance character- 

 ized by hyperemia, with proliferation of the cells of a 

 tissue or organ, and attended by one or more of the 

 symptoms of pain, heat, swelling, discoloration, and 

 disordered function. I., Adhesive, a synonym of 

 Healing by First Intention. I., Aplastic, and I., 

 Plastic. See Lymph. I., Granulomatous, a chronic 

 form of inflammation occurring usually in scrofulous or 

 syphilitic individuals, with the formation of granulation- 

 tissue of low vitality. This tissue breaks down into 

 small abscesses,the latter uniting to form fistulous tracks 

 without any tendency to the formation of cicatrices. I. 

 of the Periosteum of a Tooth, periodontitis. See 

 Odontalgia, and Periostitis, Dental. I., Pyo-gangren- 

 ous, a form of rapidly progressive inflammation, with 

 the production of a gangrenous focus, surrounded by a 

 zone of suppuration. I., Regenerative, that form of 

 inflammation which is followed by cicatrization. See 

 also Theories of Inflammation. 



Inflammatory (in-flam' 'at-o re) [inflammare, to in- 

 flame]. Pertaining to inflammation. I. Blush, 

 synonym of Erythema. I. Corpuscle. See Cor- 

 puscle, Gluge's. I. Exudation, the fluid exuded 

 from an inflamed part. I. Fever. See Traumatic 

 Fever. I. Focus, the central or culminating spot of 

 an inflamed part, or that at which suppuration begins. 

 I. Fungoid Neoplasm. See Mycosis. I. Infiltra- 

 tion, the exudation escaping into the interstices of an 

 inflamed tissue and not removed by the lymphatics. 

 I. Zone, the area of gangrenous formation bounded 

 by the line of demarcation between dead and living 

 tissue. Also, the line of demarcation. 



Inflation (in-fla' -shun) [inflatio ; inflare, to puff up]. 

 Distention with air. In surgery, distention of the 

 bowels with air, to relieve obstruction ; or of the lungs, 

 for artificial respiration ; or of the Eustachian tube, for 

 therapeutic purposes. 



Inflected {in-fUk'-ted) [in, in ; fUctere, to bend]. In 

 biology, bent inward or downward. 



Inflexed (in-fleksP) [inflectere, to bend] . In biology, 

 bent. Same as Inflected. 



Inflorescence (in-flor-es'-ens)[in, in ; florescere , to begin 

 to blossom]. In biology : (a) blossoming, flowering ; 

 [b) a flower-cluster. 



