INSATIABILITY 



616 



INSTINCTIVE 



apparent cause. I., Ideational, a term applied to 

 any form in which there is marked perversion of the 

 reasoning powers. I., Impulsive, a form in which 

 the patient possesses an uncontrollable desire to commit 

 acts of violence. I., Moral, a form marked by perver- 

 sion and depravity of the moral sense, apparently with- 

 out impairment of the reasoning and intellectual fac- 

 ulties. I. of Pregnancy, a form occurring during 

 pregnancy, characterized by melancholia, suicidal in- 

 tent, and abhorrence of friends and relatives. I., Pri- 

 mary, a form, often congenital, that arises with the 

 development of the body. It may also proceed from 

 injury or disease of the brain in early life. I., Puer- 

 peral, a term sometimes applied to the delirium of 

 childbirth, but more properly to the mania occurring 

 after delivery. I., Simultaneous, when two or more 

 persons hereditarily inclined become affected at the 

 same time. I., Menstrual. See /., Periodic. I., 

 Periodic, a condition dependent upon original or ac- 

 quired psychopathy, in which attacks of insanity occur 

 at regular or irregular intervals. If occurring in women 

 at the menstrual epoch it is called Menstrual Insanity. 

 I., Stuporous, the primary acute form of dementia; a 

 disease chiefly met with in youth and early maturity. 

 It is usually due largely to masturbation, and is also 

 called Anergic Stupor. See also /., Confusional. I., 

 Surgical. See /. , Confusional. I., Volitional, such 

 forms as are marked by derangement of the will. 



Insatiability (in-sa-she-ab-il' '-it-e) [in, not ; satiare, to 

 satisfy]. The property of being insatiable. SeeAcoria. 



Insatiable (in-sa'-she-ab-l) [insatiabilis, that which 

 cannot be satisfied]. Inordinately greedy ; incapable 

 of being satisfied. I. Appetite. See Bulimia. 



Inscriptiones tendineae (in-skrip-te-o' '*nez ten-din' -e-e). 

 The lineae transversse of the rectus abdominis muscle. 



Insculpt (in-skulpf) [insculpere, to cut or carve in]. 

 In biology, applied to lichens that grow in the de- 

 pressions in rocks. 



Insect (in'-sekt) [inseclum, an insect]. Any mem- 

 ber of the class of animals called Insecta. I.- 

 powder, the powdered flowers of several species of 

 Pyrethrum or "buhach," an insecticide in common 

 use. In the United States the flowers of P. cinera- 

 folizim are extensively grown for this purpose. See 

 Buhach. I. Wax. See Chinese Wax. 



Insected (in-sek'-ted) [insecius, p. p. of insecare, to cut 

 in] . Incised or cut into. 



Insecticide (in-sek'-tis-ld) [insectum, insect ; ccedere, 

 to kill]. A substance that is destructive to insects. 



Insectiform (in-sek' -tif-orm) [insectum, an insect ; 

 forma, form]. Resembling an insect. 



Insectivora (in-sek-tiv' -o-rah) [insectum, an insect ; 

 vorare, to devour]. An order of plantigrade animals 

 belonging to the Mammalia, and living upon insects. 



Insectivorism (in-sek tiv'-or-izm) [insectum, an insect; 

 vorare, to devour]. In biology, the property of 

 capturing and devouring insects, such as is possessed by 

 certain plants. 



Insectivorous {in-sek-tiv' -or-us) [insectum, insect ; 

 vorare, to devour]. In biology, feeding upon insects. 



Insectology (in-sek-tol'-o-je) [insectum, insect ; 16yoc, 

 science]. The science treating of inserts. 



Insemination (in-sem-in-a'-shun) [tnseminare, to plant 

 seed]. The planting of seed. The introduction of 

 semen. 



Insenescence (in-sen-es'-ens) [inscnescentia ; in, not, 

 or upon; senex, old], I. Vigorous age; old age 

 without its ordinary infirmities. 2. The approach of 

 old age. 



Insensibility (in-sens-ib-il'-it-c) [in, not ; sentire, to 

 feel]. The condition or state of being insensible ; 

 absence of consciousness ; anesthesia. 



Insensible (in-sen'-sib-l) [in, not ; sentire, to feel]. 

 Without the sense of feeling. Incapable of being 

 perceived or recognized by the senses. Unconscious. 



Insertion (in-ser'-s/iun) [insertio ; inserere, to set in]. 

 The act of setting or placing in ; or, that which is set 

 in ; the point at which a muscle is attached to the part 

 that it moves ; the place or the mode of attachment 

 of an organ to its support. I., Velamentous, the 

 attachment of the umbilical cord to the margin of the 

 placenta. 



Insidious (in-sid' -e-us) [insidice, an ambush]. Deceit- 

 ful, stealthful. Hidden from external view. I. Dis- 

 ease, one, the onset of which is gradual or inappre- 

 ciable. 



Insipid (in-sip'-id) [insipidus, unsavory]. Tasteless. 



Insitio dentis (in-sish'-e-o den'-tis) [L.]. Implantation 

 of a tooth. 



In situ (in si'-tu) [in, in ; situ, position]. A Latin 

 phrase meaning in a given or natural position. 



Insolatio (in-so-la' -she-o) . See Sunstroke. 



Insolation (in-so-la' -shuti) [insolatio ; in, in; sol, sun], 

 I. Exposure to the sun, either as a prophylactic treat- 

 ment or as a cause of disease. 2. Sunstroke. 3. In 

 pharmacy, the drying or bleaching of substances by 

 exposure to the sun. 



Insolubility (in-sol-u-bil ' -it-e) [insolubilis, insoluble]. 

 The quality of being insoluble ; lack of solubility. 



Insoluble (in-sol'-u-bl) [in, not ; solubilis, soluble]. 

 Incapable of solution. 



Insomnia (in-som'-ne-aJi) [in, not; somnus, sleep]. 

 Want of sleep ; inability to sleep. 



Inspection (in-spek'-shun) [inspectio, or inspectus, a 

 beholding]. In medicine, the examination of the 

 body or any part of it. 



Inspergation (in-sper-ga' -shun) [inspergere, to sprinkle 

 into]. The sprinkling or dusting of a part with a 

 fine powder. 



Inspiration (in-spir-a'-shun) [inspiratio ; in, in; spir- 

 are, to breathe] . That part of respiration consisting of 

 the drawing in of the breath. 



Inspiratory (in-spi'-rat-or-e) [in, in; spirare, to 

 breathe]. Pertaining to the act or function of inspir- 

 ation. I. Spasm, a rare form of hysteric spasm of 

 the larynx occurring only during inspiration, the 

 vocal bands instead of separating, tending to approach 

 one another. 



Inspissant (in-spis'-anf) [inspissans ; in, in ; spi 

 to thicken]. I. Tending to thicken ; thickening the 

 blood or other fluids. 2. An agent that tends to in- 

 crease the thickness of the blood or some other fluid. 



Inspissate (in-spis'-at) [inspissare, to thicken] 

 make thick by evaporation or by absorption of the 

 liquid menstruum. 



Instaminate (in-stam'-in-ai) [in, not ; stamen . a sta- 

 men]. Without stamens. 



Instauration (in-starv-ra'-shun) [instauratio, renewal]. 

 The first appearance of a physiologic condition 

 establishment of a new function. 



Instep (in'-step) [instop, the bend of the foot]. The 

 arch of the foot, or its dorsal aspect. 



Instillation (in-stil-a'-shun) [instillatio ; instill: 

 put in little by little]. The pouring of a liquid 

 tint, or little by little. To introduce into a cavity, 

 canal, or sac, drop by drop. 



Instinct (in-stingkt') [instinguere , to impel]. In biol- 

 ogy, organic habits registered in the nervous system 

 of the race (Grant Allen). An inherited natural it" 

 pulse, unassociated with a reasoning conception a- to 

 cause and effect. 



Instinctive (in-stingk'-tw) [instinguere, to impel]. 

 Prompted or determined by instinct; of the natu 

 instinct. 



