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  Encyclopedia of Keywords > Nature > Life > Animals > Gastrulation > Archenteron   Michael Charnine

Keywords and Sections
ANIMAL POLE
ARCHENTERON
BLASTOCOEL
FORMS
SECONDARY MESENCHYME CELLS
INVAGINATION
EXTENSION
BLASTOPORE
MESENCHYME CELLS
PRIMITIVE
DICTIONARY
CAVITY
DIGESTIVE TRACT
ROOF
NOTOCHORD
GASTRULATION
INFLATION
GASTRULA
SEA URCHIN
STAGE
MCCLAY
FORMING
EXPANDS
TIP
EARLY
ECTODERM
EXPANSION
CONVERGENT EXTENSION
PROCESS
DEFINITION
EPITHELIAL CELLS
MOUTH
WALLS
FAMILIARITY INFORMATION
CELLS
ELONGATION
PRIMITIVE GUT
COELOM
INDENTATION
FORM
EMBRYO
DEUTEROSTOMES
MESODERM
ENDODERM
Review of Short Phrases and Links

    This Review contains major "Archenteron"- related terms, short phrases and links grouped together in the form of Encyclopedia article.

Definitions

  1. The archenteron is known as the primitive gut that forms during gastrulation in the developing embryo.
  2. The archenteron is an indentation that forms early on in a developing blastula. (Web site)
  3. Archenteron is the tube formed during gastrulation by means of invagination of the blastula wall inside the blatocele. (Web site)
  4. The archenteron is a indentation that forms early on in a developing blastula.
  5. The archenteron is known as the primitive gut that forms during gastrulation in the developing blastula. (Web site)

Animal Pole

  1. Once the archenteron reaches the animal pole, a perforation forms, and the archenteron becomes a digestive tract passing all the way through the embryo.
  2. Third, secondary mesenchyme pull the tip of the archenteron towards the animal pole.

Archenteron

  1. It is separated from the archenteron for a short period by the cloacal membrane. (Web site)
  2. The coelom is pouched off (enterocoely) from the archenteron.
  3. Answer: Yes, the archenteron could grow in length while maintaining its diameter if the thickness of the archenteron wall decreased. (Web site)
  4. TD {font-size:10pt} archenteron - definition of archenteron by the Free Online Dictionary, Thesaurus and Encyclopedia. (Web site)
  5. Your diagrams should illustrate the 2,4, 8, 16 cell stage, blastula (hollow ball of cells), gastrula with archenteron (primitive gut), and pluteus larva.
  6. Blastopore: Opening of the archenteron in the gastrula that develops into the mouth in protostomes. (Web site)
  7. In Protostomes, a process known as schizocoelus happens: as the archenteron initially forms, the mesoderm splits to form the coelomic cavities.
  8. The archenteron will go on to develop into either the animal's anus or mouth. (Web site)
  9. In the advanced gastrula, the anterior portion of the archenteron gives rise to a body cavity (known as a coelom) by a process of evagination.
  10. By the late gastrula (16 hours), apical LvNotch extended to the tip of archenteron (Sherwood et al., 1997). (Web site)
  11. Upon reaching the target site, the cells contract to pull the archenteron to fuse with the ectoderm.
  12. At the prism stage, the difference in expression level between the non-invaginating vegetal region and the invaginating archenteron becomes less evident. (Web site)
  13. In addition, much of archenteron elongation was found to be independent of Xdsh signaling, especially during the second half of gastrulation. (Web site)
  14. Brown, M. G. (1941). Collapse of the archenteron in embryos of Amblystoma and Rana. (Web site)
  15. Progress in inflation was calculated as the ratio of the area of the archenteron to the area of the embryo. (Web site)

Blastocoel

  1. These involuting cells will eventually form the archenteron which displaces and eventually replaces the blastocoel.
  2. The archenteron will be nearer the yolk plug and much bigger then the blastocoel at this stage of frog embryogenesis. (Web site)
  3. Moreover, our 3D datasets demonstrate that archenteron inflation could be driven by the transfer of fluid from the blastocoel to the archenteron ( Fig. (Web site)
  4. The filopodia --thin fibers formed by the mesenchyme cells--found in a late gastrula contract to drag the tip of the archenteron across the blastocoel. (Web site)
  5. The endoderm of the archenteron will fuse with the ectoderm of the blastocoel wall. (Web site)

Forms

  1. However, in protostomes the initial opening (the archenteron) develops into the mouth, and an anus forms separately.
  2. Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm. (Web site)
  3. Outpocketings of the archenteron (primitive gut) of the gastrula which form the mesoderm al somite s later in development.
  4. Search Results Archenteron The archenteron is an indentation that forms early on in a developing blastula.

Secondary Mesenchyme Cells

  1. These are the secondary mesenchyme cells; their filopodia contact and pull the archenteron to the ectoderm of the future mouth. (Web site)
  2. Secondary invagination is thought to involve filapodia extended by the secondary mesenchyme cells located at the tip of the archenteron. (Web site)

Invagination

  1. The vegetal plate undergoes primary invagination to produce the archenteron (primitive gut). (Web site)
  2. Fig. 5. LvRhoA induces a precocious invagination which becomes the functional archenteron. (Web site)
  3. Thus, the precocious invaginations caused by activated RhoA are in fact the early appearance of the true archenteron. (Web site)
  4. In deuterostomes, the archenteron later connects to a distinct invagination called the stomodaeum, the site of the future mouth. (Web site)

Extension

  1. Second, the archenteron is formed through convergent extension.
  2. Archenteron extension was calculated as the angle from the DBPL to the anterior limit of the archenteron. (Web site)
  3. We suggest that convergent extension and epiboly drive distinct aspects of archenteron elongation. (Web site)
  4. The archenteron elongates by convergent extension.
  5. The endodermal cells lining the archenteron undergo intercalation and extension.

Blastopore

  1. A blastopore is an opening into the archenteron during the embryonic stages of an organism. (Web site)
  2. Archenteron English words defined with "archenteron": Archenteric & diams; blastopore. (Web site)
  3. The progress of archenteron elongation and inflation, mesendoderm mantle closure, and blastopore closure are evident at each stage ( Fig. (Web site)
  4. Conversely, Xdsh signaling in the ventral blastomeres is required for blastopore closure, but is dispensable for archenteron elongation. (Web site)
  5. The new cavity thus formed is the gastrocoel, also known as the primitive gut or archenteron, and its opening is the blastopore.

Mesenchyme Cells

  1. These are the secondary mesenchyme cells; their filopodia contact and pull the archenteron to the ectoderm of the future mouth. (Web site)
  2. In late gastrula, SpMsx transcripts are visible throughout archenteron and in secondary mesenchyme cells at the tip of archenteron. (Web site)

Primitive

  1. The cavity created by the invagination is called the gastrocoel or archenteron (primitive gut), whose opening at the vegetal pole is called the blastopore. (Web site)
  2. Wikipedia: archenteron Primitive streak Surface view of embryo of a rabbit. (Web site)
  3. The vegetal plate undergoes primary invagination to produce the archenteron (primitive gut). (Web site)
  4. The vegetal plate cells have invaginated into the interior of the sea urchin embryo producing the Archenteron (A) or primitive gut.

Dictionary

  1. Information about archenteron in Free online English dictionary.
  2. Definition of archenteron from Merriam-Webster's Medical Dictionary with examples and pronunciations.
  3. TD {font-size:10pt} archenteron - definition of archenteron by the Free Online Dictionary, Thesaurus and Encyclopedia. (Web site)
  4. Definition of archenteron from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Cavity

  1. In Protostomes, a process known as schizocoelus happens: as the archenteron initially forms, the mesoderm splits to form the coelomic cavities.
  2. This elongates the archenteron tube upwards towards the roof of the blastocoel cavity. (Web site)
  3. In Deuterostomes, a process known as enterocoelus happens: the mesoderm buds from the walls of the archenteron and hollows to become the coelomic cavities. (Web site)
  4. Indeed, cavities between the blastocoel and the archenteron are often observed in sections and in cleaved embryos ( Fig. (Web site)
  5. A cavity, known as the archenteron, is formed internally which ultimately becomes the gut of the animal.

Digestive Tract

  1. The endoderm, consisting of the archenteron, will develop into the digestive tract.
  2. Once the archenteron reaches the animal pole, a perforation forms, and the archenteron becomes a digestive tract passing all the way through the embryo.
  3. These phyla all have a complete digestive tract (including a mouth and an anus), with the mouth developing from the archenteron and the anus arising later. (Web site)
  4. The endoderm, consisting of the archenteron, will develop into the digestive tract.

Roof

  1. This elongates the archenteron tube upwards towards the roof of the blastocoel cavity. (Web site)
  2. Endoderm = cells of roof, floor, and walls of archenteron. (Web site)

Notochord

  1. In the central region above the archenteron and in the middle of the coeloms there is the notochord. (Web site)
  2. The notochord unfolds forming the notochordal plate and the roof of the archenteron by intercalation.
  3. Gastrulation Notochord - forms from mesoderm along dorsal surface of archenteron. (Web site)

Gastrulation

  1. The appearance of the archenteron (primitive gut that forms during gastrulation in the developing blastula) marks the onset of gastrulation.
  2. The vegetal pole epithelium thickens to form the vegetal plate, which will give rise to primary mesenchyme cells and the archenteron during gastrulation. (Web site)
  3. Archenteron: Endoderm-lined cavity formed during gastrulation, and develops into the digestive tract. (Web site)
  4. Later in gastrulation irregular cells bud off from the advancing tip of the archenteron and give rise to the mesoderm or third germ layer.
  5. Gastrulation Notochord - forms from mesoderm along dorsal surface of archenteron. (Web site)

Inflation

  1. Archenteron inflation was quantified by manually defining the outline of the embryo and of the archenteron (using natural splines) on mid-sagittal surface. (Web site)
  2. Our data also reveal a separability of archenteron elongation and inflation (Figs 9, 10, 11, 12). (Web site)

Gastrula

  1. You should be able to distinguish the difference between the archenteron and the blastoceol of a frog embryo in the early gastrula stage. (Web site)
  2. Outpocketings of the archenteron (primitive gut) of the gastrula which form the mesoderm al somite s later in development.
  3. Cells migrating inward along the archenteron from the inner layer of the gastrula, which develops into the endoderm.
  4. By the early gastrula stage, SpMsx transctipts are localized in the invaginating archenteron, but are not detectable in primary mesenchyme cells. (Web site)
  5. Lab Practical Study Guide Early gastrula --- The early gastrula is beginning to form the archenteron at the marginal zone of the embryo. (Web site)

Sea Urchin

  1. This study reports that RhoA is necessary to trigger archenteron invagination in the sea urchin embryo. (Web site)
  2. The vegetal plate cells have invaginated into the interior of the sea urchin embryo producing the Archenteron (A) or primitive gut.

Stage

  1. This casued the archenteron of gastrula stage embryos to exogatrulate or fall entirely out of the embryo. (Web site)
  2. The archenteron will be nearer the yolk plug and much bigger then the blastocoel at this stage of frog embryogenesis. (Web site)

Mcclay

  1. McClay, D. R. and Logan, C. Y. (1996). Regulative capacity of the archenteron during gastrulation in the sea urchin. (Web site)
  2. Hardin and McClay, 1990 J. Hardin and D.R. McClay, Target recognition by the archenteron during sea urchin gastrulation, Dev. (Web site)

Forming

  1. The endoderm cells invaginate and start forming the archenteron.
  2. In flask cells bordering the forming archenteron the vesicles are replaced by large vacuoles surrounded by layers of membranes. (Web site)

Expands

  1. During late gastrula stages, the anterior portion of the archenteron expands rapidly (Keller, 1975 ; Keller, 1981 ). (Web site)
  2. It has been suggested that the archenteron expands through the direct transfer of fluid from the blastocoel (Tuft, 1965 ; Zotin, 1965 ). (Web site)

Tip

  1. Third, secondary mesenchyme pull the tip of the archenteron towards the animal pole.
  2. Secondary invagination is thought to involve filapodia extended by the secondary mesenchyme cells located at the tip of the archenteron. (Web site)
  3. Throughout gastrulation, the SMC expression of Lvsnail persists at the tip of archenteron ( Fig. (Web site)
  4. By the late gastrula (16 hours), apical LvNotch extended to the tip of archenteron (Sherwood et al., 1997). (Web site)
  5. Later in gastrulation irregular cells bud off from the advancing tip of the archenteron and give rise to the mesoderm or third germ layer.

Early

  1. DiI labeling experiments demonstrated that these early invaginations persisted to become the embryonic archenteron. (Web site)
  2. Lab Practical Study Guide Early gastrula --- The early gastrula is beginning to form the archenteron at the marginal zone of the embryo. (Web site)

Ectoderm

  1. The endoderm of the archenteron will fuse with the ectoderm of the blastocoel wall. (Web site)
  2. Upon reaching the target site, the cells contract to pull the archenteron to fuse with the ectoderm.

Expansion

  1. Gradually the blastocoel disappears with the expansion of the archenteron.
  2. We measured this anterior expansion as the degrees of arc between the anterior limit of the Xnot domain and the anterior end of the archenteron ( Fig. (Web site)

Convergent Extension

  1. Second, the archenteron is formed through convergent extension.

Process

  1. Echinoderms form their coeloms as outpocketings from the archenteron (embryonic gut), a process called enterocoely.

Definition

  1. Definition of archenteron in the Medical Dictionary.

Epithelial Cells

  1. The epithelial cells of the archenteron rearrange as it elongates. (Web site)

Mouth

  1. These phyla all have a complete digestive tract (including a mouth and an anus), with the mouth developing from the archenteron and the anus arising later. (Web site)

Walls

  1. The walls of the archenteron are endodermal cells.

Familiarity Information

  1. Familiarity information: ARCHENTERON used as a noun is very rare.

Cells

  1. Secondary mesenchyme are formed from cells that ingress from, but remain attached to, the roof of the archenteron.

Elongation

  1. These images show the rearrangement of a labelled clone of cells during archenteron elongation. (Web site)
  2. In addition, much of archenteron elongation was found to be independent of Xdsh signaling, especially during the second half of gastrulation. (Web site)

Primitive Gut

  1. The vegetal plate undergoes primary invagination to produce the archenteron (primitive gut).

Coelom

  1. In the advanced gastrula, the anterior portion of the archenteron gives rise to a body cavity (known as a coelom) by a process of evagination.

Indentation

  1. The archenteron is a indentation that forms early on in a developing blastula.

Form

  1. These involuting cells will eventually form the archenteron which displaces and eventually replaces the blastocoel.
  2. An opening at the other end of the archenteron will form the mouth of the digestive tube. (Web site)
  3. It then invaginates to form a digestive cavity with a single opening (the archenteron). (Web site)

Embryo

  1. Secondary invagination involves the elongation of the archenteron across the blastocoel, where it attaches near the animal pole of the embryo. (Web site)
  2. A tube called the archenteron now exists through the middle of the embryo and forms the lining of the digestive tract.

Deuterostomes

  1. In Deuterostomes, the coelom forms by enterocoely: mesoderm buds from the walls of the archenteron and hollows to become the coelomic cavities. (Web site)
  2. In Deuterostomes, a process known as enterocoelus happens: the mesoderm buds from the walls of the archenteron and hollows to become the coelomic cavities. (Web site)

Mesoderm

  1. C. Notochord - forms from mesoderm along dorsal surface of archenteron. (Web site)
  2. Later in gastrulation irregular cells bud off from the advancing tip of the archenteron and give rise to the mesoderm or third germ layer.
  3. The mesoderm appears from differentiation of endodermal cells that cover the dorsal region of the archenteron. (Web site)

Endoderm

  1. The archenteron (primitive gut) forms within the endoderm. (Web site)
  2. The endoderm of the archenteron will fuse with the ectoderm of the blastocoel wall. (Web site)
  3. Archenteron The central cavity of the gastrula stage of embryonic development that is lined with endoderm; primitive digestive system.

Categories

  1. Nature > Life > Animals > Gastrulation
  2. Blastopore
  3. Medicine > Anatomy > Tissues > Endoderm
  4. Medicine > Anatomy > Tissues > Mesoderm
  5. Glossaries > Glossary of Anatomy Stubs /
  6. Books about "Archenteron" in Amazon.com

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  Short phrases about "Archenteron"
  Originally created: February 19, 2008.
  Links checked: March 25, 2013.
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