The archenteron, also called the gastrocoel, the primitive digestive tube or the primitive gut, is the internal cavity of the primitive gastrointestinal...

approximately 30% to the final archenteron length. The gut's final length depends on cell rearrangements within the archenteron. The frog genus Xenopus has...

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...

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...

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...

layer) and mesoderm (middle layer). Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm...

short optical pulses "The Streak" (song), a 1974 record by Ray Stevens Archenteron, an indentation on a blastula Heath Streak (1974–2023), Zimbabwean cricketer...

side (the blastopore) which deepens to become its digestive tube (the archenteron). In the sister-clade, the deuterostomes (lit. 'second-mouth'), the original...

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...

separating from the digestive tract (also known as the embryonic gut, or archenteron). As the incipient coelomic epithelium originates from archenteral diverticula...

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...

during animal embryonic development. Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm...

spheroidal embryo. This dent, the blastopore, deepens to become the archenteron, the first phase in the growth of the gut. In deuterostomes, the original...

amphibian gastrulation, the blastocoel is displaced by the formation of the archenteron, during mid-gastrulation. At the end of gastrulation, the blastocoel...

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...

a Calcarea sponge, albeit too early to form a remaining inner space (archenteron). The bilaterogastraea hypothesis was developed by Gösta Jägersten as...

protects the developing embryo from injury. amniotic fluid amniotic sac archenteron The central internal cavity of the gastrula in most animal embryos, fated...

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...

– infolding of cell sheet into embryo, forming the mouth, anus, and archenteron. Delamination – splitting or migration of one sheet into two sheets Involution...

formed during animal embryogenesis. Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm...

complete larvae. Mesoderm is formed from mesenchyme originating from the archenteron. The coelom is formed by schizocoely, and the blastopore (a dent in the...

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...

cascade induction: The first-level inductor is the central segment of Archenteron's roof, which induces the production of the Medulla oblongata (part of...

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...

ingress during gastrulation and bud off from the tip of the growing archenteron. Although there are numerous molecular differences between the "spicule-forming...

Maternal hyalin persists throughout development and appears in the archenteron of the gastrula. Since the same genomic DNA gene encodes for both maternal...

, Xu, X and Wikramanayake, A.H. (2011). Strabismus-mediated primary archenteron invagination is uncoupled from Wnt/beta-catenin-dependent endoderm cell...

due to the anus forming from the blastopore, radial cleavage, and the archenteron developing from the coelom. Rathbunaster californicus is a very important...

give rise to either endoderm or mesoderm) at the leading edge of the archenteron (future anterior) secrete three factors Cerberus, Dickkopf, and Frzb...