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Of or pertaining to the sensorium or sensation; as, sensory impulses; -- especially applied to those nerves and nerve fibers which convey to a nerve center impulses resulting in sensation; also sometimes loosely employed in the sense of afferent, to indicate nerve fibers which convey impressions of any kind to a nerve…

Conveying sensory or afferent impulses; -- said of nerves.

ntrifugal force, under Centrifugal. -- Centripetal impression (Physiol.), an impression (sensory) transmitted by an afferent nerve from the exterior of the body inwards, to the central organ.

An organ of the Ctenophora, supposed to be sensory.

which maintains that the primitive elements of language are reflex expressions induced by sensory impressions; that is, as stated by Max Müller, the creative faculty gave to each general conception as it thrilled for the first time through the brain a phonetic expression; -- jocosely so called from the analogy of the s…

A simple visual organ found in many invertebrates, consisting of pigment cells covering a sensory nerve termination.

, or chief ganglia of the nervous system, the mouth, and in the higher animals, the chief sensory organs; poll; cephalon.

.), an equation of the first degree. [Obs.] -- Lateral line (Anat.), in fishes, a line of sensory organs along either side of the body, often marked by a distinct line of color. -- Lateral pressure or stress (Mech.), a pressure or stress at right angles to the length, as of a beam or bridge; -- distinguished from long…

formal and individual instruction, the very early development of writing, and an extended sensory and motor training (with special emphasis on vision, touch, perception of movement, and their interconnections), mediated by a patented, standardized system of "didactic apparatus," which is declared to be "auto-regulative…

The movement caused in the sensory organs by external agents and transmitted to the muscles by the nerves. Dunglison.

cal in man. Psychophysical time (Physiol.), the time required for the mind to transform a sensory impression into a motor impulse. It is an important part of physiological or reaction time. See under Reaction.

motor, roots of the spinal cord (their stimulation causing pain) owing to the presence of sensory fibers from the corresponding sensory or posterior roots.

One of the marginal sensory bodies of medusæ belonging to the Discophora.

See in the Vocabulary. -- Rods and cones (Anat.), the elongated cells or elements of the sensory layer of the retina, some of which are cylindrical, others somewhat conical.

sciousness of an impression, made upon the central nervous organ, through the medium of a sensory or afferent nerve or one of the organs of sense; a feeling, or state of consciousness, whether agreeable or disagreeable, produced either by an external object (stimulus), or by some change in the internal state of the bod…

animals, of perceiving external objects by means of impressions made upon certain organs (sensory or sense organs) of the body, or of perceiving changes in the condition of the body; as, the senses of sight, smell, hearing, taste, and touch. See Muscular sense, under Muscular, and Temperature sense, under Temperature.…

See Sensory.

Sensory; as, the sensor nerves.

ary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more or less unconscious state. "A man that waketh of his sleep." Chaucer. O sleep, thou ape of death. Shak.

The irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity; irritation.…