WordNet

sheathe; "The chrysalis is invaginated"
fold inwards; "some organs can invaginate" (同)introvert
press or wedge together; pack together
a forceful consequence; a strong effect; "the book had an important impact on my thinking"; "the book packs a wallop" (同)wallop
the striking of one body against another
the forcing of molten rock into fissures or between strata of an earlier rock formation
entrance by force or without permission or welcome
rock produced by an intrusive process
the condition of being folded inward or sheathed (同)introversion
the folding in of an outer layer so as to form a pocket in the surface; "the invagination of the blastula" (同)introversion, intussusception, infolding
a disorder in which a tooth is so crowded in its socket that it cannot erupt normally (同)impacted_tooth
a disorder in which feces are impacted in the lower colon
the condition of being pressed closely together and firmly fixed

PrepTutorEJDIC

〈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』》
(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』》

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/02/23 13:48:28」(JST)

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Invagination is the infolding of one part within another part of a structure,^[1] a folding that creates a pocket.^[2] The term, originally used in embryology, has been adopted in other disciplines as well.

Biology

Invagination is the morphogenetic processes by which an embryo takes form, and is the initial step of gastrulation,^[3] the massive reorganization of the embryo from a simple spherical ball of cells, the blastula, into a multi-layered organism, with differentiated germ layers: endoderm, mesoderm, and ectoderm. More localized invaginations also occur later in embryonic development,
The inner membrane of a mitochondrion invaginates to form cristae, thus providing a much greater surface area to accommodate the protein complexes and other participants that produce adenosine triphosphate (ATP).^[4]
Invagination occurs during endocytosis and exocytosis when a vesicle forms within the cell and the membrane closes around it.
Invagination of a part of the intestine into another part is called intussusception.^[5]

Humanities

The term is used to explain a special kind of metanarrative. First used by Maurice Merleau-Ponty^[6] to describe the dynamic self-differentiation of the 'flesh'. Used by Rosalind Krauss and Jacques Derrida (The Law of Genre, Glyph 7, 1980). For Derrida, an invaginated text is a narrative that folds upon itself, "endlessly swapping outside for inside and thereby producing a structure en abyme".^[7] He applies the term to such texts as Immanuel Kant's Critique of Judgment^[7] and Maurice Blanchot's La Folie du Jour.^[8] Invagination is an aspect of différance, since according to Derrida it opens the "inside" to the "other" and denies both inside and outside a stable identity.^[2]

Geology

In geology, invagination is used to describe a deep depression of strata. Used by Donald L. Baars in "The Colorado Plateau".

References

^ "Medical Dictionary".
^ ^a ^b Wortham, Simon Morgan (2010). The Derrida Dictionary. Continuum International. p. 76. ISBN 9781847065261. Retrieved 12 January 2013.
^ Alberts (2002). Molecular Biology of the Cell. New York: Garland Science.
^ Cronk, Jeff. "Biochemistry Dictionary". [dead link]
^ Blanco, Felix. "Intussusception". Retrieved 1 November 2012.
^ Merleau-Ponty, Maurice (1968). The Visible and the Invisible. Boston, MA: Northwestern University Press. p. 152. ISBN 0810104571.
^ ^a ^b Chaplin, Susan (2004). Law, Sensibility, and the Sublime in Eighteenth-Century Women's Fiction: Speaking of Dread. Ashgate. p. 23. ISBN 9780754633068. Retrieved 12 January 2013.
^ Jones, Amelia (2003). The Feminism and Visual Culture Reader. Psychology Press. p. 200. ISBN 9780415267069. Retrieved 12 January 2013.

UpToDate Contents

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1. 成人における扁桃摘出：適応 tonsillectomy in adults indications
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English Journal

Structure, Distribution, and Function of Neuronal/Synaptic Spinules and Related Invaginating Projections.

Petralia RS1, Wang YX, Mattson MP, Yao PJ.
Neuromolecular medicine.Neuromolecular Med.2015 Sep;17(3):211-40. doi: 10.1007/s12017-015-8358-6. Epub 2015 May 26.
Neurons and especially their synapses often project long thin processes that can invaginate neighboring neuronal or glial cells. These "invaginating projections" can occur in almost any combination of postsynaptic, presynaptic, and glial processes. Invaginating projections provide a precise mechanis
PMID 26007200

Protrusive and Contractile Forces of Spreading Human Neutrophils.

Henry SJ1, Chen CS2, Crocker JC3, Hammer DA4.
Biophysical journal.Biophys J.2015 Aug 18;109(4):699-709. doi: 10.1016/j.bpj.2015.05.041.
Human neutrophils are mediators of innate immunity and undergo dramatic shape changes at all stages of their functional life cycle. In this work, we quantified the forces associated with a neutrophil's morphological transition from a nonadherent, quiescent sphere to its adherent and spread state. We
PMID 26287622

Caveolae - mechanosensitive membrane invaginations linked to actin filaments.

Echarri A1, Del Pozo MA1.
Journal of cell science.J Cell Sci.2015 Aug 1;128(15):2747-58. doi: 10.1242/jcs.153940. Epub 2015 Jul 9.
An essential property of the plasma membrane of mammalian cells is its plasticity, which is required for sensing and transmitting of signals, and for accommodating the tensional changes imposed by its environment or its own biomechanics. Caveolae are unique invaginated membrane nanodomains that play
PMID 26159735

Bone morphogenetic protein 2 promotes primordial follicle formation in the ovary.

Chakraborty P1, Roy SK2.
Scientific reports.Sci Rep.2015 Jul 29;5:12664. doi: 10.1038/srep12664.
Primordial follicles (PF) are formed when somatic cells differentiate into flattened pregranulosa cells, invaginate into the oocyte nests and encircle individual oocytes. We hypothesize that BMP2 regulates PF formation by promoting the transition of germ cells into oocytes and somatic cells into pre
PMID 26219655