How To Use Invagination In A Sentence
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This indicates a level of plasma membrane invagination comparable with mammalian skeletal muscle.
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EC coupling occurs at specialized regions where the intracellular sarcoplasmic reticulum forms junctions with the sarcolemma or, more frequently, with tubular invaginations of the sarcolemma known as transverse tubules.
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the invagination of the blastula
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As is typical, many of the latter showed reactive changes, such as large, variably sized nuclei; intranuclear invaginations; and multinucleation.
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The whole performance does indeed remind me of the foldings and invaginations that the membranes of an embryo undergo as it morphs itself from blastula to gastrula to neurula.
The God Delusion
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That is to say, those parts of the embryo which are being examined for their inductive capacity can be made to bypass the activte invagination and can be made effective by inserting them in the blastocoele through a small slit in the roof of the blastula or young gastrula which quickly heals over.
Hans Spemann - Nobel Lecture
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There are 2 primary groups of anatomies specializing in gas exchange: 1. organs formed as evaginations (B), e.g., gills; 2. organs formed as invaginations (C), e.g., lungs.
Archive 2009-01-01
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Invaginations account for 2/3 of small bowel occlusion caused by up to 80% of tumors and the lipoma is the most frequent benign tumor that causes invagination in its submucous polypoid and it is in more or less scissile form.
Medlogs - Recent stories
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In reductionist atrial myocyte and non-myocyte cell systems, BIN1 is sufficient to form membrane invaginations and distribute Cav1. 2 to these BIN1-containing membrane regions (visualized by total internal reflection microscopy, TIRFm).
PLoS Biology: New Articles
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A. de Boer 2007 The trans-envelope Tol-Pal complex is part of the cell division machinery and required for proper outer-membrane invagination during cell constriction in E. coli.
Flagellum evolution -- how's your German? - The Panda's Thumb
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Invaginations account for 2/3 of small bowel occlusion caused by up to 80% of tumors and the lipoma is the most frequent benign tumor that causes invagination in its submucous polypoid and it is in more or less scissile form.
Medlogs - Recent stories
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Upper blastopore lip still engaged in invagination was implanted in a different orientation in relation to the host embryo - crosswise and opposite to the orientation of the later primary primordia.
Hans Spemann - Nobel Lecture
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Also in favour of the origami analogy, folding, invagination and turning inside out are some of the favourite tricks used by embryonic tissues when making a body.
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Upper blastopore lip still engaged in invagination was implanted in a different orientation in relation to the host embryo - crosswise and opposite to the orientation of the later primary primordia.
Hans Spemann - Nobel Lecture
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In cells with dense protoplasm, plasmalemma appeared undulated but occasionally spherical and variable in size with conspicuous invaginations that projected into the peripheral cytoplasm.
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Introduction of exogenous BIN1 forms membrane invaginations as previously reported in other non-myocyte cell types
PLoS Biology: New Articles
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The chief points in the diagnosis of the species are the muscular body-wall, the ectodermal invaginations and pits in the wall, and the regular hexamerous development of the mesenteries.
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Other complications can include macrocephaly—fluid on the brain—cerebral hemorrhage caused by birth trauma, brittle teeth, and for some Type IIIs, basilar invagination—the second vertebra moves upward and cuts off the opening in the skull where the spinal cord passes through to the brain, causing dizziness, headache, periods of confusion, numbness, or even death.
Handle with Care
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Haeckel maintained that the "gastrula" stage occurred in the development of all Metazoa, and that it was typically formed, by invagination, from
Form and Function A Contribution to the History of Animal Morphology
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It was also shown that what is called delamination -- the rise of the two primary germinal layers by the folding of the surface of the blastoderm (for instance, in the Geryonidae and other medusae) -- was a secondary formation, due to cenogenetic variations from the original invagination of the blastula.
The Evolution of Man — Volume 1
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Catheters with multiple side holes on several planes are less likely to cause invagination of airway mucosa into the catheter than those with single side or end holes.
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There is a refracting secretion in the space of this invagination presumably protecting the photoreceptor cells.
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Although appearing very different, these movements might be related to the invagination of mesodermal and endodermal anlagen, and ventral condensation and extension of the germ band in the Drosophila embryo.
Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes
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As a corollary we suggest that the primitive mode of gastrulation was by ingression or delamination, not invagination.
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Endothorax is composed of invaginations of the tergal, pleural and sternal regions of each thoracic segment.
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In neurulation, as in gastrulation, invagination is much in evidence.
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The initial conditions for the appearance of feathers also probably resides in processes common to all ammonites and include placode formation, invagination, and mesenchymal-epithelial interactions.
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The byssal invagination was called a lunule by Cox.
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Specifically, the ventral invagination and migration of mesodermal precursors in the embryo are severely impaired, as are head involution, dorsal closure, and the migration of gonadal precursors.
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Origami-like folding, Oster-style invagination and pinching off: these are just some of the simplest tricks for building embryos.
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This invagination is termed the proctodeum, and it meets with the entoderm of the hind-gut and forms with it the anal membrane.
XI. Splanchnology. 2. The Digestive Apparatus
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The portions which lie in the genital core fuse to form the uterus and vagina; the parts in front of this cord remain separate, and each forms the corresponding uterine tubethe abdominal ostium of which is developed from the anterior extremity of the original tubular invagination from the celom (Fig. 1110, B).
XI. Splanchnology. 3. The Urogenital Apparatus
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In neurulation, as in gastrulation, invagination is much in evidence.
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In neurulation, as in gastrulation, invagination is much in evidence.
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The internodes have invaginations that are termed cupules.
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You can easily see how this invagination could be a useful move in inflating origami, and it does indeed play a major role in both gastrulation and neurulation.
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He denied that the invagination opening (which he named the blastopore) represented the primitive mouth, [443] holding that this was typically formed by an "inruptive" process at the anterior end of the planula, which led to the formation of a "stomodæum.
Form and Function A Contribution to the History of Animal Morphology
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But in the monotremes the formation of the cenogenetic entoderm does not precede the invagination; hence in this case the construction of the germinal layers is less modified than in the other amniota.
The Evolution of Man — Volume 1
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Invaginations account for 2/3 of small bowel occlusion caused by up to 80% of tumors and the lipoma is the most frequent benign tumor that causes invagination in its submucous polypoid and it is in more or less scissile form.
Medlogs - Recent stories
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Planula" theory, according to which the ancestral form of the Metazoa was a two-layered closed sac formed typically by delamination, less often by invagination.
Form and Function A Contribution to the History of Animal Morphology
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A blastula, with wide embryonic cavity (blastocoel, bl), g incipient invagination.
The Evolution of Man — Volume 1
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The internodes have invaginations that are termed cupules.
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Then along the line of invagination, i.e. the primitive orifice or blastopore, runs the outer layer of cells or ectoderm into the two invaginated layers, the mesoderm (originating from the marginal zone), and entoderm
Hans Spemann - Nobel Lecture
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You can easily see how this invagination could be a useful move in inflating origami, and it does indeed play a major role in both gastrulation and neurulation.
THE GREATEST SHOW ON EARTH
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An epiblastic tucking-in at st., the stomodaeum pre-figures the mouth; pr., the proctodaeum, is a similar posterior invagination which will become the anus.
Text Book of Biology, Part 1: Vertebrata
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In an aerial environment, simple invagination of external respiratory surfaces and subsequent internal elaboration could have given rise to a tracheal system...that later served as a preadaptation for tracheal gas exchange in the gills of aquatic insects.
Archive 2008-05-01
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Foregut: extends from the mouth to the end of gizzard; its epithelium being formed from the ectodermal invagination known as the stomodaeum.
Explanation of Terms Used in Entomology
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These invaginations represent placental outgrowths and they extend towards the centre, enclosing the central hole into a triangular slit.
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Intranuclear cytoplasmic invaginations, similar to that seen in non-neoplastic hepatocytes (or in metastatic melanoma) are also frequent.
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Each arises on the lateral aspect of the corresponding Wolffian duct as a tubular invagination of the cells lining the celom (Fig. 1106).
XI. Splanchnology. 3. The Urogenital Apparatus
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The result was a wave of invagination that went further, and actually pinched off a ‘neural tube’ screenshots a to h, overleaf.
THE GREATEST SHOW ON EARTH
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An epiblastic tucking-in at st., the stomodaeum pre-figures the mouth; pr., the proctodaeum, is a similar posterior invagination which will become the anus.
Text Book of Biology, Part 1: Vertebrata
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Other complications can include macrocephaly—fluid on the brain—cerebral hemorrhage caused by birth trauma, brittle teeth, and for some Type IIIs, basilar invagination—the second vertebra moves upward and cuts off the opening in the skull where the spinal cord passes through to the brain, causing dizziness, headache, periods of confusion, numbness, or even death.
Handle with Care
-
Although appearing very different, these movements might be related to the invagination of mesodermal and endodermal anlagen, and ventral condensation and extension of the germ band in the Drosophila embryo.
Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes
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Beneath the primordial brain an invagination of the ectoderm against the entoderm is formed, later to become the mouth.
Physiology or Medicine 1935 - Presentation Speech
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The part of the cloaca from the upper wall of which it forms belongs to the proctodaeum, the ectodermic invagination of the rectum (Chapter 2.27); hence its epithelial covering can develop the same horny growths as the corneous layer of the epidermis.
The Evolution of Man — Volume 2
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In the chick embryo, for example, the ectoderm initially expresses L-CAM; during neural plate invagination, however, L-CAM expression is replaced by that of N-cadherin.
