WordNet

(of a leaf shape) narrowly triangular, wider at the apex and tapering toward the base (同)wedge-shaped
cross or intersect so as to form a cross; "this nerve decussates the other"; "the fibers decussate"
crossed or intersected in the form of an X (同)intersectant, intersecting
of or relating to the tarsal bones (or other wedge-shaped bones)
an ancient wedge-shaped script used in Mesopotamia and Persia
shaped like a wedge (同)cuneal, cuneiform
a wedge-shaped leaf having the acute angle at the base

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/08/23 05:27:09」(JST)

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C-terminals in the mouse branchiomotor nuclei originate from the magnocellular reticular formation.

Matsui T, Hongo Y, Haizuka Y, Kaida K, Matsumura G, Martin DM, Kobayashi Y.SourceDepartment of Anatomy and Neurobiology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan.
Neuroscience letters.Neurosci Lett.2013 Aug 26;548:137-42. doi: 10.1016/j.neulet.2013.05.063. Epub 2013 Jun 10.
Large cholinergic synaptic boutons called "C-terminals" contact motoneurons and regulate their excitability. C-terminals in the spinal somatic motor nuclei originate from cholinergic interneurons in laminae VII and X that express a transcription factor Pitx2. Cranial motor nuclei contain another typ
PMID 23756176

Description of two new Drepanomonas taxa and an account on features defining species in Drepanomonas Fresenius, 1858 (Ciliophora, Microthoracida).

Omar A, Foissner W.SourceUniversität Salzburg, FB Organismische Biologie, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria; Al-Azhar University, Department of Zoology, Assiut, Egypt.
European journal of protistology.Eur J Protistol.2013 Aug;49(3):420-37. doi: 10.1016/j.ejop.2012.09.001. Epub 2012 Dec 7.
Using standard methods, we describe two new Drepanomonas taxa: Drepanomonas hymenofera (Horváth 1956) nov. comb., which is composed of two (biogeographical ) subspecies, viz., D. hymenofera venezuelensis nov. subspec. and D. hymenofera hymenofera (Horváth 1956), was discovered in soil from Venezue
PMID 23220017

Forelimb amputation-induced reorganization in the cuneate nucleus (CN) is not reflected in large-scale reorganization in rat forepaw barrel subfield cortex (FBS).

Li CX, Yang Q, Vemulapalli S, Waters RS.SourceDepartment of Anatomy and Neurobiology, University of Tennessee Health Science Center, College of Medicine, 855 Monroe Avenue, Memphis, TN 38163, USA.
Brain research.Brain Res.2013 Jun 25. pii: S0006-8993(13)00840-8. doi: 10.1016/j.brainres.2013.05.049. [Epub ahead of print]
We examined reorganization in cuneate nucleus (CN) in juvenile rat following forelimb amputation (n=34) and in intact controls (n=5) to determine whether CN forms a substrate for large-scale reorganization in forepaw barrel subfield (FBS) cortex. New input from the shoulder first appears in the FBS
PMID 23810455

リンク元	「decussate」「楔形」「wedge-shaped」「楔状」「cuneiform」

More specifically, neurons of the gracile and cuneate nuclei send projections that decussate as the internal arcuate fibers and ascend as the medial lemniscus to synapse inthe ventroposterolateral nucleus of the thalamus.