blastula


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Related to blastula: gastrulation, archenteron
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Synonyms for blastula

References in periodicals archive ?
Development rate was carried out by assessing the time required for certain cell stage (2-cell, 4-cell, 8-cell, 16-cell, morulla and blastula stage) to be accomplished (Figure1).
splendens es que la gastrulacion es un fenomeno concomitante a la epibolia que acontece a partir de un grupo de celulas localizadas en el polo animal del huevo telolecito (blastula) y durante la gastrulacion, las celulas de la blastula experimentan una redistribucion dramatica para originar un embrion multilaminar con rudimentos de cabeza, tronco y cola (34), generado a traves de movimientos celulares altamente coordinados mediante los cuales, grupos definidos de celulas se internalizan desde la superficie formando un blastopore y dando origen al endomesodermo (28).
El tiempo de formacion de la morula, blastula y gastrula observados en la corvina C.
The beginning of gastrula marks the end of the blastula stage, and it is followed by epiboly, defined as the movement of the yolk syncytial layer and blastodisc around the yolk cell.
El periodo de blastula comienza a partir de 128 celulas hasta el inicio de la gastrulacion; es decir, del 8[grados] al 14[grados] ciclo de division.
However, the blastula was spherical like normal embryos (Fig.
Ovine (Ovis aries) blastula from an in vitro production system and isolation of primary embryonic stem cells.
similis 6 (9) 2 (6) 6 (14) 23 17 (17) (41) Oncaea borealis 3 (15 2 (0) 28 (6) 11 23 4 (28) (1)) (20) (17) Harpacticoids 0 (1) Unidentified 4 (4) 3 (0) 3 (0) 3 (1) 0 (3) 82 copepods (154) Copepod nauplii 7S (78) 192 553 329 273 138 (285) (457) (373) (391) (309) Zoea larvae Ostracods 1 (0) Decapod 0 (1) Euphausiid 1 (0) Veliger larvae 1 (2) 3 (4) 0 (4) Sagitta elegans 3 (2) 0 (1) 1 (0) 4 (4) 1 (0) Pluteus larvae 0 (2) Blastula larvae Echinoderm juvenile 0 (1) Larvacea 0 (4) 3 (5) 1 (0) 3 (1) 15 (6) 3 (1) Oikopleura 1 (0) Fish larvae Zooplankton Mar 7 Mar 18 May 25 Silicoflagcllates 0 (1) Foraminifera Medusa 0 (2) 0 (2) Polychaetc larvae 3 (5) Calanus finmarchicus 2 (3) 1 (4) Pseudocalanus spp.
The pockmarked spherical body and pointy-petaled seedpod in Aurlia Gouthroii Blastula and Aurlia Gouthroii Blastula (Detail) are decidedly more sinister in ambience.
turn, inner, entrails, dysentery, industry, blastula, gastrula,
An embryonic blastula stage is a characteristic exclusive to animals.
Our findings of sharp declined of cortisol after fertilization at blastula and gradual increased around the time of hatching has also been documented in the Japanese flounder (de Jesus et al.
The phenomenon occurs at the blastula stage, between the 13th and 15th day after fertilization.
25, 10, and 24 hpf, as well as exposures in blastula (2.
Ingestion of these plants during gestation may cause anomalies in foetus (Jones, 1983) it is believed that embryo is injured during blastula and gastrula stages of development.