出典: meddic


WordNet   license wordnet

「the condition of being folded inward or sheathed」

WordNet   license wordnet

「the folding in of an outer layer so as to form a pocket in the surface; "the invagination of the blastula"」
introversion, intussusception, infolding

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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2016/06/24 04:10:21」(JST)

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  • Evolution of Helix Formation in the Ribosomal Internal Transcribed Spacer 2 (ITS2) and Its Significance for RNA Secondary Structures.
  • Caisová L1, Melkonian M.
  • Journal of molecular evolution.J Mol Evol.2014 Jun 8. [Epub ahead of print]
  • Helices are the most common elements of RNA secondary structure. Despite intensive investigations of various types of RNAs, the evolutionary history of the formation of new helices (novel helical structures) remains largely elusive. Here, by studying the nuclear ribosomal Internal Transcribed Spacer
  • PMID 24908393
  • Saphenous vein stripping surgical technique and frequency of saphenous nerve injury.
  • Jaworucka-Kaczorowska A1, Oszkinis G2, Huber J3, Wiertel-Krawczuk A4, Gabor E4, Kaczorowski P2.
  • Phlebology / Venous Forum of the Royal Society of Medicine.Phlebology.2014 Jun 6. pii: 0268355514539316. [Epub ahead of print]
  • OBJECTIVES: Saphenous nerve injury is the most common complication after surgical treatment of varicose veins. The aim of this study was to establish its frequency at great saphenous vein long stripping when four methods of surgery were applied.METHODS: Eighty patients were divided into four groups
  • PMID 24906907
  • Magnetic resonance imaging features of complex Chiari malformation variant of Chiari 1 malformation.
  • Moore HE1, Moore KR.
  • Pediatric radiology.Pediatr Radiol.2014 Jun 5. [Epub ahead of print]
  • BACKGROUND: Complex Chiari malformation is a subgroup of Chiari 1 malformation with distinct imaging features. Children with complex Chiari malformation are reported to have a more severe clinical phenotype and sometimes require more extensive surgical treatment than those with uncomplicated Chiari
  • PMID 24898393
  • Transoral approach to extradural non-neoplastic lesions of the craniovertebral junction.
  • Perrini P1, Benedetto N, Di Lorenzo N.
  • Acta neurochirurgica.Acta Neurochir (Wien).2014 Jun;156(6):1231-6. doi: 10.1007/s00701-014-2057-1. Epub 2014 Mar 15.
  • BACKGROUND: The transoral approach allows for an unobstructed anterior view of the craniovertebral junction from the lower clivus to C1 and C2. It can be applied to a heterogeneous spectrum of pathological lesions involving this area including craniovertebral junction malformations, atlanto-axial sy
  • PMID 24633988


  • Subcutaneous Soft Tissue Sarcoma with Rhabdoid Features in a Dog
  • SAYAMA Ayako,OKADO Keiko,IMAOKA Masako,YOKOUCHI Yusuke,JINDO Toshimasa,TAKASAKI Wataru
  • Journal of Toxicologic Pathology, 2014
  • … Cytoplasmic inclusions of rhabdoid-featured cells in HE sections were composed of aggregates of intermediate filaments, and cytoplasmic vacuoles were identified as an invagination of cytoplasm. …
  • NAID 130003391343
  • 臨床報告 胃軸捻転症と脾臓嵌入を合併した横隔膜傍裂孔ヘルニアの1例
  • 渡辺 和英,金木 昌弘,田畑 敏 [他]
  • 臨床外科 = Journal of clinical surgery 68(6), 725-728, 2013-06
  • NAID 40019692331
  • Heterotrimeric G protein signaling governs the cortical stability during apical constriction in Drosophila gastrulation.
  • Kanesaki Takuma,Hirose Susumu,Grosshans Joerg,Fuse Naoyuki
  • Mechanisms of development 130(2-3), 132-142, 2013-02
  • … During gastrulation in Drosophila melanogaster, coordinated apical constriction of the cellular surface drives invagination of the mesoderm anlage. …
  • NAID 120005242579
  • Development of cranial placodes : Insights from studies in chick
  • Jidigam Vijay K.,Gunhaga Lena
  • Development, growth & differentiation 55(1), 79-95, 2013-01
  • NAID 40019549286


Definition of INVAGINATION 1: an act or process of invaginating; specifically: the formation of a gastrula by an infolding of part of the wall of the blastula 2: an invaginated part Take a 3 minute break! Play our fun, fast vocab game. » ...
noun 1. (pathol) the process of invaginating or the condition of being invaginated; intussusception 2. (pathol) an invaginated organ or part 3. an infolding of the ... invagination in·vag·i·na·tion (ĭn-vāj'ə-nā'shən) n. The act or process of ...
The pneumato phore arises from the ectoderm as a pit or invagination, part of which forms a gas-secreting gland, while the rest gives rise to an air-sack lined by a chitinous cuticle. The orifice of invagination forms a pore which may be ...





  [★] 腸重積

WordNet   license wordnet

「(biology) growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall」



intussusception, invagination, telescoped bowel
invaginatio, intussusceptis
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  • 口側腸管が肛門側腸管内に嵌入。絞扼性イレウスの一種 ← 腸間膜が陥入部位で絞扼され腸管の血行障害をきたす
  • 回腸が結腸に嵌入するものが最も多い
  • 腹痛、嘔吐、血便が特徴的。


  • 男女比2:1で男児に多い (小児科学第2版 p.1035)
  • 2歳以下の乳幼児に認められ、特に4-9ヶ月の乳児に好発 (小児科学第2版 p.1035)
  • 6か月-2歳児までに多い。男児に多い。
  • それ以降では基礎疾患の存在が疑われる:polyp、Meckel憩室、悪性リンパ腫など


  • 回盲部。
  • 回盲部が大腸に引き込まれる
  • 回盲部腸重積は10歳以下、特に1歳以下の乳幼児に多く見られる(SSUR.555)


  • 何らかの誘因(ポリープ等)により、肛門側の腸の蠕動運動より口側の腸管がはまりこんでしまうことが原因
  • 特に成人の場合は腸管の腫瘍が原因となることが少なくない。潰瘍、継室でも起こりうる。(SSUR.555)


  • 口側腸管の虚血。
  • 腹痛、嘔吐、粘血便(イチゴゼリー様)、


  • 3主徴:腹痛、嘔吐、粘血便
  • 血便(粘血便)
  • 腸管陥入による患部の出血や浮腫による
  • 嘔吐、腹痛
  • 腹膜刺激による
  • 腹部腫瘤(上腹部に多い)
  • Dance徴候(回盲部が陥凹。右下腹部に空虚な部分が出現。右下腹部にある回盲部が上行結腸に引き込まれるため、本来あるはずの回盲部が右下腹部からなくなり、基本的身体検査で空虚に感じられる)
  • 間欠的啼泣:啼泣は間欠的で、その後ぐったりとしている:肛門側腸が2-3時間おきに蠕動するため。


  • 血便の確認
  • 注腸造影
  • 口側腸管の嵌入先進部:蟹爪状/カニ爪様陰影、杯状、手風琴様陰影欠損
  • 超音波検査
  • CT


  • (小児例)
  • 非観血的整復:バリウムや空気にて整復。
  • 手術:24時間以上経過例、小腸-小腸型、あるいは腸管の穿孔のおそれがあるときに適応
  • (成人例)


  • wiki ja
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  • n.
  • 衝撃、打撃、衝突。影響、影響力
  • vt.
  • しっかり固定する。密着させる、詰め込む(into, in)。~に衝突する。強く打つ/たたく、たたきつける。~に強い衝撃/影響を与える。~に有害/不利な影響を与える、逆効果的である
  • vi.
  • 強い衝撃/影響を与える。強く当たる(on, against)。有害/不利な影響を与える。
cholecystitis is usually cased by a gallstone impacting in the cystic duct. ←("嵌入する"の意味で用いられている)
affect, effect, impaction, impinge, impulse, impulsive, influence, intrusion, invaginate, invagination, percussion

WordNet   license wordnet

「press or wedge together; pack together」

WordNet   license wordnet

「a forceful consequence; a strong effect; "the book had an important impact on my thinking"; "the book packs a wallop"」

WordNet   license wordnet

「the striking of one body against another」

PrepTutorEJDIC   license prepejdic

「〈U〉〈C〉(…の…に対する)衝突,衝撃《+『of』+『名』+『against』(『on』,『upon』,『with』)+『名』》 / 〈C〉(…の…に対する)影響(influence)影響力《+『of』+『名』+『on』(『upon, against』)+『名』》」



  • n.

WordNet   license wordnet

「the forcing of molten rock into fissures or between strata of an earlier rock formation」

WordNet   license wordnet

「entrance by force or without permission or welcome」

WordNet   license wordnet

「rock produced by an intrusive process」

PrepTutorEJDIC   license prepejdic

「(意見などを人に)押しつけること《+『of』+『名』+『upon』+『名』》 / (…の)じゃまをすること;(…を)侵害すること《+『on』(『upon』)+『名』》」



  • n.

WordNet   license wordnet

「a disorder in which a tooth is so crowded in its socket that it cannot erupt normally」
impacted tooth

WordNet   license wordnet

「a disorder in which feces are impacted in the lower colon」

WordNet   license wordnet

「the condition of being pressed closely together and firmly fixed」



  • 陥入する、嵌入する

WordNet   license wordnet

「sheathe; "The chrysalis is invaginated"」

WordNet   license wordnet

「fold inwards; "some organs can invaginate"」