OCULOMOTOR NUCLEUS

a nucleus in the brainstem which is correlated with either of the occulomotor nerves.

OFF-CENTER GANGLION CELL

a retinal ganglion cell which is hindered by light in the core of its receptive region but is aroused by light in the surrounding...

OLFACTION

noun. the sense of scent, that is aroused by odorant excitement of receptor cells in the olfactory epithelium within the nasal passages.

OLFACTORY RECEPTOR

a spindle-shaped receptor cell in the olfactory epithelium of the nasal cavity which is sensitive to odorants. Cilia at the root of the olfactory...

OLOLIUQUI

the seed of a Latin American vine, Rivea comiibosti, that consists of compounds chemically correlated to LSD, but less significant.

ONEIROMANCY

noun. the concept or practice of determining predictions of the future from dreams.

ONSET OF ACTION

the place at which the operations of a drug is obvious, typically gauged with regard to the time passed between delivery and the presenting...

OPEN CLASS SOCIETY

a culture which allows or urges cultural mobility.

OPEN-CLASSROOM METHOD

an educational system wherein teaching is unofficially constructed, frequently with an emphasis on individualized guidance or utilization of the open-classroom design.

OPERANT LEVEL

a baseline likelihood or frequency of actions which takes place innately, prior to support or encouragement being arranged.

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