WordNet

invest with or as with a body; give body to (同)personify
the external structure of a vehicle; "the body of the car was badly rusted"
the main mass of a thing
a natural object consisting of a dead animal or person; "they found the body in the lake" (同)dead body
the entire structure of an organism (an animal, plant, or human being); "he felt as if his whole body were on fire" (同)organic structure, physical structure
a collection of particulars considered as a system; "a body of law"; "a body of doctrine"; "a body of precedents"
a group of persons associated by some common tie or occupation and regarded as an entity; "the whole body filed out of the auditorium"; "the student body"; "administrative body"
an individual 3-dimensional object that has mass and that is distinguishable from other objects; "heavenly body"
the central message of a communication; "the body of the message was short"
a quadrilateral with two parallel sides
the wrist bone between the trapezium and the capitate bones (同)trapezoid_bone, os trapezoideum

PrepTutorEJDIC

〈C〉『身体』,肉体 / 〈C〉(人・動物の)『胴体』 / 〈C〉)物の)『主要部』,本体《+『of』+『名』》 / 〈C〉(…の)『団体』,群れ:(…のたくさんの)集まり《+『of』+『名』》 / 〈C〉物体,…体 / 〈U〉実質;(酒・味などの)こく / 〈C〉《話》人
《米》台形 / 《英》不等辺四辺形
《英話》人;(特に)男

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/08/07 22:00:54」(JST)

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The trapezoid body is part of the auditory pathway where some of the axons coming from the cochlear nucleus decussate, or cross over to the other side before traveling on to the superior olivary nucleus. This is believed to help with localization of sound.^[1]

The trapezoid body is located in the caudal pons, or more specifically the pontine tegmentum. It is situated between the pontine nucleus and the medial lemniscus. After nerves from the cochlear nucleus cross over in the trapezoid body and go on to the superior olivary nucleus, they continue to the lateral lemniscus, then the inferior colliculus, then the medial geniculate body, before finally arriving at the primary auditory cortex.^[2]

References

^ Mendoza, John E. (2011). "Trapezoid Body". In Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan (eds.). Encyclopedia of Clinical Neuropsychology. Springer New York. pp. 2549–2549. ISBN 978-0-387-79947-6. Retrieved 2015-03-01.
^ Waxman, Stephen (2013-08-02). Clinical Neuroanatomy 27/E (27 ed.). New York: McGraw-Hill Medical. ISBN 9780071797979.

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English Journal

Dopaminergic projections of the subparafascicular thalamic nucleus to the auditory brainstem.

Nevue AA1, Felix RA 2nd2, Portfors CV3.
Hearing research.Hear Res.2016 Sep 10;341:202-209. doi: 10.1016/j.heares.2016.09.001. [Epub ahead of print]
Neuromodulators can alter the response properties of sensory neurons, including those in the auditory system. Dopamine, which plays a major role in reward and movement, has been shown to alter neural responses in the auditory brainstem and midbrain. Recently we identified the subparafascicular thala
PMID 27620513

Different tonotopic regions of the lateral superior olive receive a similar combination of afferent inputs.

Gómez-Álvarez M1,2, Saldaña E1,2,3.
The Journal of comparative neurology.J Comp Neurol.2016 Aug 1;524(11):2230-50. doi: 10.1002/cne.23942. Epub 2015 Dec 29.
The mammalian lateral superior olive (LSO) codes disparities in the intensity of the sound that reaches the two ears by integrating ipsilateral excitation and contralateral inhibition, but it remains unclear what particular neuron types convey acoustic information to the nucleus. It is also uncertai
PMID 26659473

In vivo matching of postsynaptic excitability with spontaneous synaptic inputs during formation of the rat calyx of Held synapse.

Sierksma MC1, Tedja MS1, Borst JG2.
The Journal of physiology.J Physiol.2016 Jul 18. doi: 10.1113/JP272780. [Epub ahead of print]
KEY POINTS: Neurons in the medial nucleus of the trapezoid body of anaesthetized rats of postnatal day (P)2-6 showed burst firing with a preferred interval of about 100 ms, which was stable, and a second preferred interval of 5-30 ms, which shortened during development. In 3 out of 132 cases, evid
PMID 27426483

Japanese Journal

430M/2450MHz帯WBAN伝搬損失評価に対する両肩を備えた全身円柱状ファントムの半径に関する検討

天利悟,山本温,小川晃一
電子情報通信学会技術研究報告. A・P, アンテナ・伝播 109(35), 25-30, 2009-05-14
… 頭部を含む人体全身におけるWBAN(Wireless Body Area Network)の伝搬損失評価を目的に,両肩を備えたWBAN用ファントム(両肩付ファントム)を開発した.両肩付ファントムは肩部を台形状,頭部および肩部より下方を円柱状と簡易的な構造で構成している.まず,胴体部の半径を110mmとした両肩付ファントムと人体(日本人の標準的な体型)における伝搬損失の測定比較を行い有効性の検証を行った.測定周波数はWBANでの使用が想定される430MH …
NAID 110007230402

Changes in calbindin-D28k and parvalbumin expression in the superior olivary complex following unilateral cochlear ablation in neonatal rats

Hatano Miyako,Furukawa Mitsuru,Ito Makoto
Acta Oto-Laryngologica 129(8), 839-845, 2009-00-00
… Upon reaching adulthood, a marked decrease in CB- and PV-immunoreactive neurons was observed in the contralateral SOC, particularly in the medial nucleus of the trapezoid body (MNTB), although no neuronal cell death was observed. …
NAID 120001728438

「台形体」

Trapezoid body
	Terminal nuclei of the cochlear nerve, with their upper connections. (Schematic.) The vestibular nerve with its terminal nuclei and their efferent fibers have been suppressed. On the other hand, in order not to obscure the trapezoid body, the efferent fibers of the terminal nuclei on the right side have been resected in a considerable portion of their extent. The trapezoid body, therefore, shows only one-half of its fibers, viz., those that come from the left. 1. Vestibular nerve, divided at its entrance into the medulla oblongata. 2. Cochlear nerve. 3. Accessory nucleus of acoustic nerve. 4. Tuberculum acusticum. 5. Efferent fibers of accessory nucleus. 6. Efferent fibers of tuberculum acusticum, forming the striae medullares, with 6’, their direct bundle going to the superior olivary nucleus of the same side; 6’’, their decussating bundles going to the superior olivary nucleus of the opposite side. 7. Superior olivary nucleus. 8. Trapezoid body. 9. Trapezoid nucleus. 10. Lateral lemniscus. 11. Raphé. 12. Pyramidal tracts. 13. Fourth ventricle. 14. Inferior peduncle.
Details
Latin	corpus trapezoideum
Identifiers
Gray's	p.858
NeuroNames	hier-589
NeuroLex ID	Trapezoid body
Dorlands; /Elsevier	c_56/12260860
TA	A14.1.05.315
FMA	72487
	Anatomical terms of neuroanatomy