| partial r. |
any of several schedules of reinforcement (q.v.) in which a response yields a reward only at certain times or after certain numbers of responses.
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| partial s. |
any seizure due to a lesion in a specific, known area of the cerebral cortex; symptoms vary with different lesion locations. Called also focal s. Cf. complex partial s. and simple partial s.
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| partial t. |
tarsorrhaphy that closes only part of a palpebral fissure. See also external t., median t., and internal t.
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| partial thromboplastin t. |
a measure of the coagulation factors of the intrinsic pathway of coagulation in plasma; now largely superseded by the test of activated partial thromboplastin t.
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| partial thromboplastin time t. |
see under time.
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