ULNAR NERVE

the sensory and motor nerve which innervates the lateral portion of the hand and forearm. Its fibers stem from the eighth cervical and first...

UNBIASED

adjective. lacking bias or net error. With regard to procedures, analyses, and the like, any errors which do happen are random and thus, eventually...

UNCONSCIOUS COGNITION

mental procedures, like thinking, memory processing, and linguistic processing, which happen in the absence of consciousness.

UNCUED PANIC ATTACK

a panic attack which takes place suddenly without warning, instead of being elicited by a specific act, event, or trigger.

UNFALSIFIABLE

designating the quality of a hypothesis, proposition, or theory such that no empirical test can mandate that it is untrue.

UNILATERAL DESCENT

with regard to anthropology, a system of descent or handing down wherein descent is traced via just the male line or via just the...

UNITY IN VARIETY

the idea that a stimulant with maximal unity and variety is favored.

UNMYELINATED

adjective. depicting a nerve fiber which lacks a myelin sheath.

UPPER MOTOR NEURON

any of the primary motor cortex's neurons, which aid the corticospinal tract and impact and modulate the lower motor neurons.

URECHOLINE

noun. a brand name for bethanechol.

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