File:Foster125.jpg

From Embryology

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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


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