. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. soon as the situation of the lamina terminalis is reached the dorsal part of the paraterminal body suddenly becomes replaced by, or reduced to, a thin epithelial band (Fig. 16, P); and this, again, immediately becomes folded and invaginated into the lateral ventricle to form a choroid plexus (Fig. 17, FL) of the Thalamencephalon Formatio pallialis J Nucleus Taeniae Nucleus Taeniae. Nucleus Taeniae Fig. 16. Fig. 17. Fig. 15. A diagram of another section (20. 2. 4) of the same series cut imme- diately in front of the lamina tem
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. soon as the situation of the lamina terminalis is reached the dorsal part of the paraterminal body suddenly becomes replaced by, or reduced to, a thin epithelial band (Fig. 16, P); and this, again, immediately becomes folded and invaginated into the lateral ventricle to form a choroid plexus (Fig. 17, FL) of the Thalamencephalon Formatio pallialis J Nucleus Taeniae Nucleus Taeniae. Nucleus Taeniae Fig. 16. Fig. 17. Fig. 15. A diagram of another section (20. 2. 4) of the same series cut imme- diately in front of the lamina temiiualis. (140 A. 20. 2. 4.) X ^a. 20. Fig. 16. Here the lower parts of the paraterminal bodies have fused to form thej commissure-bed or matrix for the cerebral commissures. The dorsal portion of the para- terminal body, marked P in Fig. 15, has now become attenuated to form an epithelial membrane P. (140 A. 20. 3. 6) 70 jj, behind the section represented in Fig. 15. Fig. 17. Diagram of a section 40 [x behind that shown in Fig. 16. (140 A. 21. 1. 2.) The paraterminal lamella iP in Fig. 16) has now given place to the lamina chorioidea, which is invaginated into the lateral ventricle to form the choroid plexus {PL.). Foramen of Monko. vent. Ill third Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Anatomische Gesellschaft. Jena : G. Fischer
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