WordNet

the acoustic phenomenon that gives sound a penetrating quality; "our ukuleles have been designed to have superior sound and projection"; "a prime ingredient of public speaking is projection of the voice" (同)acoustic projection, sound projection
(psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else
any solid convex shape that juts out from something
any structure that branches out from a central support
the representation of a figure or solid on a plane as it would look from a particular direction
a prediction made by extrapolating from past observations
the projection of an image from a film onto a screen
tell a relatively insignificant lie; "Fibbing is not acceptable, even if you dont call it lying"
a trivial lie; "he told a fib about eating his spinach"; "how can I stop my child from telling stories?" (同)story, tale, tarradiddle, taradiddle
a slender and greatly elongated substance capable of being spun into yarn (同)fibre
a leatherlike material made by compressing layers of paper or cloth (同)fibre, vulcanized fiber
any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber) (同)fibre

PrepTutorEJDIC

〈U〉突き出[させ]ること;〈C〉突起 / (影・映像などの)透写;◇映画・スライドの)映写;〈C〉投影図,投射図 / 〈U〉発射,射出 / 〈C〉予測,予知 / 〈U〉〈C〉(自分の考え・感情を)人に投影すること
(ささいな,罪のない)うそ / 軽いうそをつく

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/05/14 15:54:57」(JST)

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The projection fibers consist of efferent and afferent fibers uniting the cortex with the lower parts of the brain and with the spinal cord.

Efferent

The principal efferent strands are:

(1) the motor tract, occupying the genu and anterior two-thirds of the occipital part of the internal capsule, and consisting of
- (a) the geniculate fibers, which decussate and end in the motor nuclei of the cranial nerves of the opposite side; and
- (b) the cerebrospinal fibers, which are prolonged through the pyramid of the medulla oblongata into the medulla spinalis:
(2) the corticopontine fibers, ending in the nuclei pontis.

Afferent

The chief afferent fibers are:

(1) those of the lemniscus which are not interrupted in the thalamus;
(2) those of the superior cerebellar peduncle which are not interrupted in the red nucleus and thalamus;
(3) numerous fibers arising within the thalamus, and passing through its stalks to the different parts of the cortex ;
(4) optic and acoustic fibers, the former passing to the occipital, the latter to the temporal lobe.

External links

Diagram at kennedykrieger.org

This article incorporates text from a public domain edition of Gray's Anatomy.

This neuroscience article is a stub. You can help Wikipedia by expanding it.

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