| affectivity | The mental state (pleasure, repugnance, etc.) that accompanies every act or thought. Synonym: affective tone, emotional tone, affectivity. Fundamental tone, the component of lowest frequency in a complex tone. (05 Mar 2000) |
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| affectomotor | Pertaining to muscular manifestations associated with affective tone. (05 Mar 2000) |
| afferent | <anatomy> Moving or carrying inward or toward a central part. Refers to vessels, nerves, etc. For example: blood vessels carrying blood toward the heart, or nerves conducting signals to the brain. Compare: efferent. (09 Feb 1998) |
| afferent fibres | Those that convey impulses to a ganglion or to a nerve centre in the brain or spinal cord. (05 Mar 2000) |
| afferent glomerular arteriole | A branch of an interlobular artery of the kidney that conveys blood to the glomerulus. Synonym: arteriola glomerularis afferens, vas afferens, afferent vessel. (05 Mar 2000) |
| afferent loop syndrome | <syndrome> A complication of gastrojejunostomy, caused by acute or chronic obstruction of the afferent loop due to hernia, intussusception, kinking, volvulus, etc. It is characterised by pain and vomiting of bile-stained fluid and includes acute afferent loop obstruction and bilious vomiting. (12 Dec 1998) |
| afferent lymphatic | A lymphatic vessel entering, or bringing lymph to, a node. Synonym: vas lymphaticum afferens, afferent vessel. (05 Mar 2000) |
| afferent nerve | <anatomy, physiology> A nerve which transmits impulses from the tissues to the brain and spinal cord (for example sensory nerve). (27 Sep 1997) |
| afferent pathways | Nerve structures through which impulses are conducted from a peripheral part toward a nerve centre. (12 Dec 1998) |
| afferent vessel | A vessel carrying blood toward the heart. A vein or venule. (12 Dec 1998) |
| affinity | 1. An inherent likeness or relationship. 2. A special attraction for a specific element, organ or structure. 3. <chemistry> The force that binds atoms in molecules, the tendency of substances to combine by chemical reaction. 4. The strength of noncovalent chemical binding between two substances as measured by the dissociation constant of the complex. 5. <immunology> A thermodynamic expression of the strength of interaction between a single antigen binding site and a single antigenic determinant (and thus of the stereochemical compatibility between them), most accurately applied to interactions among simple, uniform antigenic determinants such as haptens. Expressed as the association constant (K litres mole 1), which, owing to the heterogeneity of affinities in a population of antibody molecules of a given specificity, actually represents an average value (mean intrinsic association constant). 6. <chemistry> The reciprocal of the dissociation constant. Origin: L. Affinitas = relationship (06 Oct 1997) |
| affinity adsorbent | <immunology> A support matrix coated with an affinity antibodies. (06 May 1997) |
| affinity antibody | The measure of the interaction between molecules such as a receptor and its ligand. This interaction is reversible. (05 Mar 2000) |
| affinity chromatography | <investigation> A technique of analytical chemistry used to separate and purify a biological molecule from a mixture, based on the attraction of the molecule of interest to a particular ligand which has been previously attached to a solid, inert substance. The mixture is passed through a column containing the ligand attached to the stationary substance, so that the molecule of interest stays within the column while the rest of the mixture continues through to the end. Then, a different chemical is flushed through the column to detach the molecule from the ligand and bring it out separately from the rest of the mixture. (09 Feb 1998) |
| affinity column | <investigation> A technique of analytical chemistry used to separate and purify a biological molecule from a mixture, based on the attraction of the molecule of interest to a particular ligand which has been previously attached to a solid, inert substance. The mixture is passed through a column containing the ligand attached to the stationary substance, so that the molecule of interest stays within the column while the rest of the mixture continues through to the end. Then, a different chemical is flushed through the column to detach the molecule from the ligand and bring it out separately from the rest of the mixture. (09 Feb 1998) |
Synonyms : Labeling Reagents, Affinity, Labels, Affinity, Reagents, Affinity Labeling
| affect |
have an effect upon; "Will the new rules affect me?" act physically on; have an effect upon involve: connect closely and often incriminatingly; "This new ruling affects your business" feign: make believe with the intent to deceive; "He feigned that he was ill"; "He shammed a headache" the conscious subjective aspect of feeling or emotion have an emotional or cognitive impact upon; "This child impressed me as unusually mature"; "This behavior struck me as odd"
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| affective |
affectional: characterized by emotion
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| affection |
a positive feeling of liking; "he had trouble expressing the affection he felt"; "the child won everyone's heart"; "the warmness of his welcome made us feel right at home"
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| affective disorder |
any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant
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| afferent |
sensory nerve: a nerve that passes impulses from receptors toward or to the central nervous system of nerves and nerve impulses; conveying sensory information from the sense organs to the CNS; "afferent nerves"; "afferent impulses"
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| AFF | act physically on |
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| AFF | have an effect upon |
| AFF | make believe |
| AFF | have an emotional or cognitive impact upon |
| AFF | connect closely and often incriminatingly |
| AFF | a deliberate pretense or exaggerated display |
| AFF | acted upon |
| AFF | speaking or behaving in an artificial way to make an impression |
| AFF | emotionally affected |
| AFF | the semantic role of an entity that is not the agent but is directly involved in or affected by the happening denoted by the verb in the clause |
| AFF | in an affected manner |
| AFF | the quality of being false or artificial |