WordNet

establish as valid or genuine; "Can you back up your claims?" (同)back_up
strengthen by providing with a back or backing
a support that you can lean against while sitting; "the back of the dental chair was adjustable" (同)backrest
(American football) the position of a player on a football team who is stationed behind the line of scrimmage
the part of a garment that covers the back of your body; "they pinned a `kick me sign on his back"
travel backward; "back into the driveway"; "The car backed up and hit the tree"
the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned" (同)dorsum
the part of something that is furthest from the normal viewer; "he stood at the back of the stage"; "it was hidden in the rear of the store" (同)rear
(football) a person who plays in the backfield
in or to or toward a past time; "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward" (同)backward
at or to or toward the back or rear; "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car" (同)backward, backwards, rearward, rearwards
be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960" (同)endorse, indorse, plump for, plunk for, support
located at or near the back of an animal; "back (or hind) legs"; "the hinder part of a carcass" (同)hind, hinder
be in back of; "My garage backs their yard"
cause to travel backward; "back the car into the parking spot"
in or to or toward a former location; "she went back to her parents house"
in or to or toward an original condition; "he went back to sleep"
in repayment or retaliation; "we paid back everything we had borrowed"; "he hit me and I hit him back"; "I was kept in after school for talking back to the teacher"
in reply; "he wrote back three days later"
of an earlier date; "back issues of the magazine"
related to or located at the back; "the back yard"; "the back entrance"
shift to a counterclockwise direction; "the wind backed"
support financial backing for; "back this enterprise"
the process of declining from a higher to a lower level of effective power or vitality or essential quality (同)devolution
passing from a more complex to a simpler biological form (同)retrogression
the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives" (同)backup, championship, patronage
something forming a back that is added for strengthening (同)mount
in or associated with the process of passing from life or ceasing to be; "a dying man"; "his dying wish"; "a dying fire"; "a dying civilization"
used of film that is coated on the side opposite the emulsion with a substance to absorb light
having a back or backing, usually of a specified type

PrepTutorEJDIC

〈C〉(人・動物の)『背』,『背中』,背部 / 《通例the~》(正面に対して)(…の)『後ろ』,『裏』,奥,後部《+『of』+『名』》 / 《通例the back》背に似たもの;(手足の)甲;(刀の)みね;(いす・本の)背 / 〈C〉〈U〉(フットボール・ホッケーなどの)後衛 / 《名詞の前にのみ用にて》『後ろの』,後部にある,裏の / 後もどりする,逆の / 遅れている,未払いの / (中心から)遠い,へんぴな,奥地の / (音声が)後舌音の / 『後方へ』,『後ろに』(backward) / (場所・状態が)『もとへ』,帰って,返して / (時間的に)『さかのぼって』,今から…前に(ago) / 〈車など〉'を'『後退させる』 / (…で)〈人・計画など〉'を'『後援する』,支持する(support)《+『名』+『in』+『名』》 / (競馬で)…に賭ける / (…で)…‘の'伴奏をする《+『名』+『by』+『名』》 / …‘の'裏手にある,背景をなす / 〈手形など〉‘に'裏書きする(endorse) / 《しばしば受動態で》〈本〉‘に'背をつける,(…で)…'を'裏打ちする《+『名』+『with』+『名』》 / 後ずさりする,後退する(move backward)
退歩,退化,墜落
〈U〉(本などの)裏打ち,背付け / 〈U〉後援,支持;《集合的に》後援者たち / 〈C〉(ポピュラー音楽で)伴奏
dieの現在分詞 / 死にかかっている,ひん死の / 消えかかっている,滅びかけている / 臨終の

UpToDate Contents

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1. 細気管支肺胞上皮癌（上皮内腺癌） bronchioloalveolar carcinoma including adenocarcinoma in situ
2. 先天性肺気道（嚢胞性腺腫様）形成異常 congenital pulmonary airway cystic adenomatoid malformation
3. 肺悪性腫瘍の病理 pathology of lung malignancies
4. 肺移植後の非感染性合併症 noninfectious complications following lung transplantation
5. 難治性肺炎 nonresolving pneumonia

English Journal

Motor Deficit in a Tauopathy Model Is Induced by Disturbances of Axonal Transport Leading to Dying-Back Degeneration and Denervation of Neuromuscular Junctions.

Audouard E1, Van Hees L1, Suain V1, Yilmaz Z1, Poncelet L2, Leroy K1, Brion JP3.
The American journal of pathology.Am J Pathol.2015 Oct;185(10):2685-97. doi: 10.1016/j.ajpath.2015.06.011. Epub 2015 Aug 10.
Several neurodegenerative diseases are characterized by both cognitive and motor deficits associated with accumulation of tau aggregates in brain, brainstem, and spinal cord. The Tg30 murine tauopathy model expresses a human tau protein bearing two frontotemporal dementia with Parkinsonism linked to
PMID 26272360

Analysis of YFP(J16)-R6/2 reporter mice and postmortem brains reveals early pathology and increased vulnerability of callosal axons in Huntington's disease.

Gatto RG1, Chu Y2, Ye AQ3, Price SD1, Tavassoli E1, Buenaventura A1, Brady ST1, Magin RL3, Kordower JH2, Morfini GA4.
Human molecular genetics.Hum Mol Genet.2015 Sep 15;24(18):5285-98. doi: 10.1093/hmg/ddv248. Epub 2015 Jun 29.
Cumulative evidence indicates that the onset and severity of Huntington's disease (HD) symptoms correlate with connectivity deficits involving specific neuronal populations within cortical and basal ganglia circuits. Brain imaging studies and pathological reports further associated these deficits wi
PMID 26123489

Age-Dependent TDP-43-Mediated Motor Neuron Degeneration Requires GSK3, hat-trick, and xmas-2.

Sreedharan J1, Neukomm LJ2, Brown RH Jr3, Freeman MR4.
Current biology : CB.Curr Biol.2015 Aug 17;25(16):2130-6. doi: 10.1016/j.cub.2015.06.045. Epub 2015 Jul 30.
The RNA-processing protein TDP-43 is central to the pathogenesis of amyotrophic lateral sclerosis (ALS), the most common adult-onset motor neuron (MN) disease [1-4]. TDP-43 is conserved in Drosophila, where it has been the topic of considerable study, but how TDP-43 mutations lead to age-dependent n
PMID 26234214