Gastrula

Gastrula: that embryonic stage resembling a sac, with an outer layer of epiblastic cells and an inner layer of hypoblastic cells.

Explanation of Terms Used in Entomology John. B. Smith

Hence I had, in 1875 (in my essay on The Gastrula and Ovum-segmentation of Animals), counted the monotremes among the discoblastic vertebrates.

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

(D) Gastrula of an arthropod (primitive crab, Nauplius) (as 32).

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

(A) Gastrula of a very simple primitive-gut animal or gastraead (gastrophysema).

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

Gastrula of the placental mammal (epigastrula from the rabbit), longitudinal section through the axis. e ectodermic cells

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

(C) Gastrula of an echinoderm (star-fish, Uraster), not completely folded in (depula).

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

(F) Gastrula of a vertebrate (lancelet, Amphioxus).

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

Ruckert, Goette, Rauber, etc. These thorough and careful studies, aided by the most perfect modern improvements in technical method (in tinting and dissection), have given a very welcome support to the views which I put forward in my work, On the Gastrula and the

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

Robb L, Tam PP (2004) Gastrula organiser and embryonic patterning in the mouse.

PLoS ONE Alerts: New Articles 2009

With all this in mind Bodhi, Zaphod, Pharyngula, Normal, Gastrula and I dropped by Danube to finally try David Bouley’s now classic seven or so years since the Times review modern Austrian restaurant.

Augieland 2008