The invagination of the blastula.    From Wordnet, Princeton University. 

No sign of a cloacal invagination could be made out with certainty.    From Wordnik.com.  [Development of the Digestive Canal of the American Alligator] Reference

The gastrula, finally, is the two-layered sac formed from the blastula, typically by invagination of its wall.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

Beneath the primordial brain an invagination of the ectoderm against the entoderm is formed, later to become the mouth.    From Wordnik.com.  [Physiology or Medicine 1935 - Presentation Speech] Reference

The question as to whether delamination or invagination was to be considered the more primitive process was discussed in detail by.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

Foregut: extends from the mouth to the end of gizzard; its epithelium being formed from the ectodermal invagination known as the stomodaeum.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Haeckel maintained that the "gastrula" stage occurred in the development of all Metazoa, and that it was typically formed, by invagination, from.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

I have modified the view of the sinthome insofar as what Lacan applies to an objectal substance could, in an invagination, apply to surrounding space itself.    From Wordnik.com.  ['Twinkle, Twinkle, Little Star' as an Ambient Poem; a Study of a Dialectical Image; with Some Remarks on Coleridge and Wordsworth] Reference

"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.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

The entire yolk-mass of the egg divides into cells, and these cells form a hollow, sphere-like body, in which an intestinal canal arises by the invagination of one side.    From Wordnik.com.  [Scientific American Supplement, No. 433, April 19, 1884] Reference

In the invagination cohort, the fistula rate was 12\%.    From Wordnik.com.  [Health News from Medical News Today] Reference

Intraoperatively, no full thickness invagination was detected.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

Association with CD151 was also maintained during membrane invagination.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Figures 10, 11, 12 illustrate the formation of the atrium as a median ventral invagination, at.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

(Section 9) for invagination, nor to obliterate the archenteron and the blastopore through its pressure.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

The pathological analysis revealed a cystic colon duplication leading to mucosal invagination and obstruction.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

The transport mechanism is by invagination of the cell membrane to form a vesicle and the engulfing of the invagination.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Next Figure 11 shows the invagination (at.) pushing its way in, and cut off from the exterior by a meeting of the body wall below.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

There is no open invagination of an archenteron in the fowl, as in the frog --, the gastrula, like the blastosphere, stage is also masked.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

"However, the rate of pancreatic fistula was almost double in patients who received the duct-to-mucosa PJ compared to the invagination PJ.".    From Wordnik.com.  [Health News from Medical News Today] Reference

In such types (e.g., amphioxus) a part of the blastosphere wall is tucked into the rest, and a gastrula formed by this process of invagination.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

The researchers sought their answer through a series of studies examining the fate of the epidermal growth factor (EGF) receptor after invagination.    From Wordnik.com.  [PLoS Biology: New Articles] Reference

As a member of the BAR domain superfamily, the tubulogenesis membrane scaffolding protein BIN1 (Amphiphysin 2) is known to induce membrane invagination.    From Wordnik.com.  [PLoS Biology: New Articles] Reference

(ESCRT) system is essential for multivesicular body biogenesis, in which cargo sorting is coupled to the invagination and scission of intralumenal vesicles.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

1) It is believed that the invagination of the plasma membrane to increase surface area is an evolutionary old adaptation.    From Wordnik.com.  [Albert de Roos: A design hypothesis for the evolution of the nucleus] Reference

Intussusception, or invagination, description, symptoms, and treatment, 71.    From Wordnik.com.  [Special Report on Diseases of the Horse] Reference

It follows strangulated hernia, invagination, or rupture of the stomach, intestines, liver, or womb.    From Wordnik.com.  [Special Report on Diseases of the Horse] Reference

Organic obstructive diseases: tumours, adherences, strangulated hernias, volvulus, invagination, endometriosis.    From Wordnik.com.  [PLoS Medicine: New Articles] Reference