Abstract
AbstractZones containing actively dividing cells (proliferation zones: PZs), in the brain of adult three‐spined sticklebacks, were identified by autoradiographic detection of 3H‐thymidine and immunocytochemical detection of the thymidine analogue 5'‐bromodeoxyuridine (BrdU), singly or in combination, and by immunocytochemical detection of proliferating cell nuclear antigen (PCNA) by monoclonal antibodies. The PZs are associated with boundaries between adult brain regions, as well as with defined morphofunctional subdivisions. PZs are located at the border between the telencephalon and diencephalon, and at the border between the mesencephalon and the rhombencephalon. In the midbrain, the PZ follows the dorsomedial, caudal, and ventrolateral aspects of each tectal hemisphere, extending over the caudal aspect of the torus semicircularis to the nucleus lateralis valvulae. In the hindbrain, the major PZ apparently represents the persisting embryonic secondary matrix layer of the developing cerebellum. In the forebrain, the PZs are associated with the ventricular zones of the olfactory bulbs and ventral telencephalic area (”subpallium”), dorsal telencephalic area (”pallium”), preoptic region, ventral thalamus, dorsal thalamus, epithalamus, pretectum, posterior tuberculum, and the hypothalamus. The diencephalic PZs are parcellated according to a neuromeric organisation (a synencephalic, a posterior, and an anterior parencephalic neuromere: p1, p2, and p3). The PZs of the secondary prosencephalon (telencephalon and hypothalamus) thus would belong to neuromeres p4–6, but do not form an immediately recognised serial pattern. The prosencephalic PZs correlate well with parts of embryonic migration areas as defined by Bergquist and Källén ([1954] J. Comp. Neurol. 100:627–659), morphogenetic fields from which postmitotic neurones migrate to their final destination. J. Comp. Neurol. 436:92–110, 2001. © 2001 Wiley‐Liss, Inc.
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Dates
Type | When |
---|---|
Created | 20 years, 9 months ago (Nov. 14, 2004, 6:36 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 9, 2023, 6:31 p.m.) |
Indexed | 4 months ago (May 2, 2025, 12:24 a.m.) |
Issued | 24 years, 2 months ago (June 13, 2001) |
Published | 24 years, 2 months ago (June 13, 2001) |
Published Online | 24 years, 2 months ago (June 13, 2001) |
Published Print | 24 years, 1 month ago (July 17, 2001) |
Funders
2
Swedish Natural Science Research Council
Awards
1
- B-AA/BU 08554-312-315
Royal Physiographic Society in Lund
10.13039/501100005753
Kungliga Fysiografiska Sällskapet i LundRegion: Europe
pri (Universities (academic only))
Labels
1
- Royal Physiographic Society in Lund
@article{Ekstr_m_2001, title={Ventricular proliferation zones in the brain of an adult teleost fish and their relation to neuromeres and migration (secondary matrix) zones}, volume={436}, ISSN={1096-9861}, url={http://dx.doi.org/10.1002/cne.1056}, DOI={10.1002/cne.1056}, number={1}, journal={Journal of Comparative Neurology}, publisher={Wiley}, author={Ekström, Peter and Johnsson, Carl‐Magnus and Ohlin, Liss‐Mari}, year={2001}, month=jun, pages={92–110} }