| conditioned stimulus | A stimulus applied to one of the sense organs (e.g., receptors of vision, hearing, touch) which are an essential and integral part of the neural mechanism underlying a conditioned reflex. See: classical conditioning, higher order conditioning. (05 Mar 2000) |
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| conditioning | 1. <psychology> A general term referring to the learning of some particular response. 2. <oncology> A preparative regimen of chemotherapy before a bone marrow transplant. (03 Jul 1999) |
| conditioning therapy | The application of modern theories of learning and conditioning in the treatment of behaviour disorders. (12 Dec 1998) |
| conditioning, eyelid | Reflex closure of the eyelid occurring as a result of classical conditioning. (12 Dec 1998) |
| conditioning, operant | Learning situations in which the sequence responses of the subject are instrumental in producing reinforcement. When the correct response occurs, which involves the selection from among a repertoire of responses, the subject is immediately reinforced. (12 Dec 1998) |
| conditioning, pavlovian | Named after the Russian physiologist Ivan Petrovich Pavlov (1848-1936) who conditioned dogs to respond in what proved to be a predictable manner. at different points along the dogs' digestive tracts, he had surgically created pockets ( Pavlov pouches ) from which he could obtain secretions, the aim being to study the physiology of the digestive tract. He did so from the salivary glands down to the stomach, liver and pancreas with considerable success and in 1904 (the 4th year it was awarded) he received the Nobel Prise for his work on the physiology of digestion, through which knowledge on vital aspects of the subject has been transformed and enlarged. (12 Dec 1998) |
| condom | <gynaecology> A latex (rubber) sleeve that fits snugly over the penis and is used to prevent pregnancy and sexually transmitted infections such as AIDS, hepatitis and chlamydia. Compare: female condom (04 Jul 1999) |
| conduct disorder | A repetitive and persistent pattern of behaviour in which the basic rights of others or major age-appropriate societal norms or rules are violated. These behaviours include aggressive conduct that causes or threatens physical harm to other people or animals, nonagressive conduct that causes property loss or damage, deceitfulness or theft, and serious violations of rules. The onset is before age 18. (12 Dec 1998) |
| conductance | 1. A measure of conductivity; the ratio of the current flowing through a conductor to the difference in potential between the ends of the conductor; the conductance of a circuit is the reciprocal of its resistance. 2. The ease with which a fluid or gas enters and flows through a conduit, air passage, or respiratory tract; the flow per unit pressure difference. (05 Mar 2000) |
| conductase | <chemical> Reduces pyruvic and lactic acid concentration in normal subjects after muscular exercise. Synonym: pyridoxine-alpha-ketoglutarate, 2-oxo-5-hydroxycarbonylpentanoate pyridoxine, pyridoxine-2-oxoglutarate (26 Jun 1999) |
| conducting airway | The airway from the nasal cavity to a terminal bronchiole. (05 Mar 2000) |
| conducting system of heart | The system of atypical cardiac muscle fibres comprising the sinoatrial node, internodal tracts, atrioventricular node and bundle, the bundle branches, and their terminal ramifications into the Purkinje network; sometimes also called cardionector. (05 Mar 2000) |
| conduction | <physics, physiology> The transfer of sound waves, heat, nervous impulses or electricity. Origin: L. Conductio (18 Nov 1997) |
| conduction anaesthesia | Regional anaesthesia in which local anaesthetic solution is injected about nerves to inhibit nerve transmission; includes spinal, epidural, nerve block, and field block anaesthesia, but not local or topical anaesthesia. Synonym: block anaesthesia. (05 Mar 2000) |
| conduction analgesia | Use of local anaesthetic solution(s) to produce circumscribed areas of loss of sensation; a generic term including conduction, nerve block, spinal, epidural, field block, infiltration, and topical anaesthesia. Synonym: conduction analgesia. (05 Mar 2000) |
| conductive |
having the quality or power of conducting heat or electricity or sound; exhibiting conductivity
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| condensation |
(psychoanalysis) an unconscious process whereby two ideas or images combine into a single symbol; especially in dreams the process of changing from a gaseous to a liquid or solid state atmospheric moisture that has condensed because of cold compression: the process or result of becoming smaller or pressed together; "the contraction of a gas on cooling" a shortened version of a written work condensing: the act of increasing the density of something
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| condylar process |
the condyle of the ramus of the mandible that articulates with the skull
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| conduit |
a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits"
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| condylar |
of or relating to or resembling a condyle
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| cond | vacuum pump used to obtain a high vacuum |
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| cond | an artificial cloud created by an aircraft |
| cond | make more concise |
| cond | undergo condensation |
| cond | compress or concentrate |
| cond | develop due to condensation |
| cond | become more compact or concentrated |
| cond | cause a gas or vapor to change into a liquid |
| cond | remove water from |
| cond | retaining only the most important parts |
| cond | reduced to a stronger or more concentrated form |
| cond | of printers' type |