File:Foster125.jpg

Fig. 125. Transverse section through the brain of a sheep's embryo of 27 cm. in length

(From Kolliker.)

The section is taken a short distance behind the section represented in Fig. 124, and passes through the posterior part of the hemispheres and the third ventricle.

Legend

st. corpus striatum ; ih. optic thalamus ; to. optic tract ; t. ventricle ; d. roof of third ventricle ; c. fibres of cerebral peduncles ; c. divergence of these fibres into the walls of 1 hemispheres ; e. lateral ventricle with choroid plexus pi ; h. cornu ammonis ; f. primitive falx ; am. alisphenoid ; orbito-sphenoid ; sa. presphenoid ; p. pharynx ; mk. Meckel's cartilage.

Reference

Foster, M., Balfour, F. M., Sedgwick, A., & Heape, W. (1883). The Elements of Embryology. (2nd ed.). London: Macmillan and Co.

Volume 1 - The History of the Chick: Egg structure and incubation beginning | Summary whole incubation | First day | Second day - first half | Second day - second half | Third day | Fourth day | Fifth day | Sixth day to incubation end | Figures 1

Volume 2 - The History of the Mammalian Embryo: General Development | Embryonic Membranes and Yolk-Sac | Organs from Epiblast | Organs from Mesoblast | Alimentary Canal | Appendix | Figures 2

Historic Disclaimer - information about historic embryology pages

Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)