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In situ

/ˌin ˈsīto͞o/  /ˈsē-/ Adjective 1. In its original position or place. ( 2. In the natural or normal place, confined to the site of origin without invasion of neighboring tissues. In the original or natural place or site; carcinoma in situ.( 3. Being in the original position; not having been moved. ( Adverb 1. In the original or natural place or site. ( Word origin: Latin, literally “in its (original) place or...

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In vitro

/in ˈvēˌtrō/ Adjective 1. In an artificial environment outside the living organism.( 2. Of a biological process occurring in an artificial environment outside the living organism. ( Adverb 1. In an artificial environment outside the living organism. ( Syn: ex vivo Word origin: Latin; “in a test tube, culture dish, etc.;” literally “in...

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In vivo

/in ˈvēvō/ Adjective or Adverb 1. Experimentation using a whole, living organism as opposed to a partial or dead organism, or an in vitro (“within the glass”, i.e., in a test tube or petri dish) controlled environment. ( 2. Within a living organism. ( 3. Of a biological process occurring within a living organism. ( 4. In the living body of a plant or animal. ( Word origin: Latin; “within a living...

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/inˈsīzər/  Noun, pl. incisors 1. Are the front teeth present in most heterodont mammals. They are located in the premaxilla above and on the mandible below. Humans have a total of eight (two on each side, top and bottom). ( 2. One of the teeth in front of the canines in either jaw; an incisive tooth. ( 3. A narrow-edged tooth at the front of the mouth, adapted for cutting. In humans there are four incisors in each jaw. (Google Dictionary) Word origin: From Medieval Latin incisor “a cutting tooth,” literally “that which cuts into,” from Latin incisus, past participle of...

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/inˈklo͞oZHən/ Noun, pl. inclusions (Science) 1. A foreign substance, either liquid or solid, usually of minute size, enclosed in the mass of a mineral. ( 2. (Geology) A solid, liquid, or gaseous foreign body enclosed in a mineral or rock. ( 3. (Biology) A nonliving mass, such as a droplet of fat, in the cytoplasm of a cell. ( 4. (Computer Science) A logical operation that assumes the second statement of a pair is true if the first one is true. ( (General) 1. The act of including or the state of being included. ( 2. Something included. ( Word origin: From Latin inclusionem (nominative inclusio) “a shutting up, confinement,” noun of action from past participle stem of...

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