The archenteron, also called the gastrocoel, the primitive digestive tube or the primitive gut, is the internal cavity of the primitive gastrointestinal...
2 KB (263 words) - 18:36, 12 February 2024
approximately 30% to the final archenteron length. The gut's final length depends on cell rearrangements within the archenteron. The frog genus Xenopus has...
38 KB (4,044 words) - 18:10, 14 March 2024
as a blind pouch called the archenteron. In protostomes, the coelom forms by a process known as schizocoely. The archenteron initially forms, and the mesoderm...
17 KB (1,797 words) - 04:12, 26 June 2024
with a double wall. The inner wall will be called the archenteron; the primitive gut. The archenteron will open to the exterior through the blastopore. The...
5 KB (574 words) - 17:19, 12 July 2024
forms a dent on one side, the blastopore, which deepens to become the archenteron, the first phase in the growth of the gut. In deuterostomes, the original...
7 KB (696 words) - 00:14, 31 August 2024
layer) and mesoderm (middle layer). Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm...
4 KB (336 words) - 16:16, 2 May 2024
short optical pulses "The Streak" (song), a 1974 record by Ray Stevens Archenteron, an indentation on a blastula Heath Streak (1974–2023), Zimbabwean cricketer...
1 KB (223 words) - 20:47, 3 September 2023
side (the blastopore) which deepens to become its digestive tube (the archenteron). In the sister-clade, the deuterostomes (lit. 'second-mouth'), the original...
12 KB (916 words) - 18:31, 3 September 2024
separating from the digestive tract (also known as the embryonic gut, or archenteron). As the incipient coelomic epithelium originates from archenteral diverticula...
4 KB (431 words) - 15:59, 1 June 2023
blastula stage. The original ball of cells develops a lateral pouch, the archenteron. The entrance to this is known as the blastopore and it will later develop...
105 KB (11,408 words) - 21:28, 11 September 2024
forms a dent on one side, the blastopore, which deepens to become the archenteron, the first phase in the formation of the gut. In deuterostomes, the blastopore...
20 KB (2,279 words) - 01:47, 29 August 2024
during animal embryonic development. Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm...
14 KB (1,365 words) - 23:04, 26 July 2024
spheroidal embryo. This dent, the blastopore, deepens to become the archenteron, the first phase in the growth of the gut. In deuterostomes, the original...
7 KB (751 words) - 20:02, 17 August 2024
amphibian gastrulation, the blastocoel is displaced by the formation of the archenteron, during mid-gastrulation. At the end of gastrulation, the blastocoel...
15 KB (1,645 words) - 02:48, 18 July 2024
deepens, a new embryonic cavity develops, the primitive gut, or the archenteron. It grows in length towards the future front part of the embryo. It can...
6 KB (832 words) - 04:56, 20 August 2024
a Calcarea sponge, albeit too early to form a remaining inner space (archenteron). The bilaterogastraea hypothesis was developed by Gösta Jägersten as...
6 KB (717 words) - 15:34, 26 August 2024
protects the developing embryo from injury. amniotic fluid amniotic sac archenteron The central internal cavity of the gastrula in most animal embryos, fated...
17 KB (1,491 words) - 17:02, 25 November 2023
have ingressed, in one side of the embryo and it deepens to become the archenteron, the first formative stage of the gut. As in all deuterostomes, the blastopore...
43 KB (5,261 words) - 10:52, 31 August 2024
– infolding of cell sheet into embryo, forming the mouth, anus, and archenteron. Delamination – splitting or migration of one sheet into two sheets Involution...
28 KB (3,187 words) - 16:59, 12 July 2024
formed during animal embryogenesis. Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm...
7 KB (444 words) - 11:28, 15 April 2023
complete larvae. Mesoderm is formed from mesenchyme originating from the archenteron. The coelom is formed by schizocoely, and the blastopore (a dent in the...
54 KB (5,531 words) - 05:57, 22 August 2024
IMZ develops into the roof of the archenteron, or the primitive gut, while the underlying endoderm forms the archenteron floor. The NIMZ develops into a...
16 KB (1,951 words) - 16:05, 1 November 2023
cascade induction: The first-level inductor is the central segment of Archenteron's roof, which induces the production of the Medulla oblongata (part of...
17 KB (1,428 words) - 16:06, 6 August 2024
but no anus. A small number of imaginal discs form, encircling the archenteron (developing gut) and coalesce to form the juvenile. When it is fully...
63 KB (6,245 words) - 18:37, 3 September 2024
ingress during gastrulation and bud off from the tip of the growing archenteron. Although there are numerous molecular differences between the "spicule-forming...
12 KB (1,262 words) - 00:02, 25 August 2024
Maternal hyalin persists throughout development and appears in the archenteron of the gastrula. Since the same genomic DNA gene encodes for both maternal...
11 KB (1,407 words) - 03:38, 11 May 2024
, Xu, X and Wikramanayake, A.H. (2011). Strabismus-mediated primary archenteron invagination is uncoupled from Wnt/beta-catenin-dependent endoderm cell...
6 KB (636 words) - 04:22, 18 December 2023
due to the anus forming from the blastopore, radial cleavage, and the archenteron developing from the coelom. Rathbunaster californicus is a very important...
9 KB (1,104 words) - 01:51, 2 December 2023
give rise to either endoderm or mesoderm) at the leading edge of the archenteron (future anterior) secrete three factors Cerberus, Dickkopf, and Frzb...
33 KB (5,170 words) - 20:53, 16 September 2024