DOI: 10.1002/jez.1401640210. Cell loss in the trochlear nucleus of the chick during normal development and after radical extirpation of the optic vesicle

Cell loss in the trochlear nucleus of the chick during normal development and after radical extirpation of the optic vesicle

10.1002/jez.1401640210

Crossref journal-article

Wiley

Journal of Experimental Zoology (311)

Abstract

AbstractCounts have been made of the number of cells in the trochlear nucleus in a series of 22 normal chicks between the ninth day of incubation and the seventy‐fifth day after hatching, and in seven animals in which the optic vesicle and adjoining mesoderm were removed during the second day of incubation. Between the ninth and seventeenth days of incubation the number of cells in the normal trochlear nucleus declines from just under 1400 to a little under 700, indicating a cell loss of approximately 50% over this eight day interval. From the seventeenth day onwards there is a further slight fall to between 500 and 600 cells and this number is maintained into the third month after hatching. Following excision of the optic vesicle there is an earlier, and more severe, loss of neurons in the trochlear center, the number of cells being reduced to just under 1000 at the eleventh day of incubation and falling to just over 300 by the sixth day after hatching. Despite this marked cell loss, at no stage is there any gross evidence of neuronal disintegration or phagocytosis. The possible factors responsible for the normally occurring cell loss and for the hypoplasia in the trochlear nucleus after removal of the optic vesicle are discussed.

Bibliography

Cowan, W. M., & Wenger, E. (1967). Cell loss in the trochlear nucleus of the chick during normal development and after radical extirpation of the optic vesicle. Journal of Experimental Zoology, 164(2), 267â279. Portico.

Authors 2

W. M. Cowan (first)
Eleanor Wenger (additional)

References 31 Referenced 128

10.1002/ar.1090940210
10.1002/jez.1400930106
{'key': 'e_1_2_1_4_1', 'first-page': '212', 'article-title': 'Spontaneous degeneration in the spinal cord of monkey fetuses', 'volume': '119', 'author': 'Bodian D.', 'year': '1966', 'journal-title': 'Bull. Hopkins Hosp.'} / Bull. Hopkins Hosp. / Spontaneous degeneration in the spinal cord of monkey fetuses by Bodian D. (1966)
{'key': 'e_1_2_1_5_1', 'first-page': '63', 'volume-title': 'Structure and Function of Muscle', 'author': 'Boyd J. D.', 'year': '1960'} / Structure and Function of Muscle by Boyd J. D. (1960)
y Cajal S. RamónandF.De Castro 1933Elementos de Tecnica Micrografica del Sistema Nervioso Tipografia Artistica Madrid.
{'key': 'e_1_2_1_7_1', 'first-page': '185', 'article-title': 'Récherches cytologiques sur le developpment de la cellule nerveuse', 'volume': '8', 'author': 'Collin R.', 'year': '1906', 'journal-title': 'Le Névraxe'} / Le Névraxe / Récherches cytologiques sur le developpment de la cellule nerveuse by Collin R. (1906)
Cowan W. M.andE.Wenger1967An experimental study of the development of the avian visual system. In preparation.
10.1002/cne.900980109
10.1007/BF02118264
10.1007/BF02117845
10.1007/BF02118704
10.1111/j.1469-185X.1951.tb00774.x
{'key': 'e_1_2_1_14_1', 'first-page': '111', 'article-title': 'The formation of new motor endplates in mammalian skeletal muscle', 'volume': '100', 'author': 'Gwyn D. G.', 'year': '1966', 'journal-title': 'J. Anat. (Lond.)'} / J. Anat. (Lond.) / The formation of new motor endplates in mammalian skeletal muscle by Gwyn D. G. (1966)
{'key': 'e_1_2_1_15_1', 'volume-title': 'Handbuch der mikroskopischen Anatomie des Menschen', 'author': 'Häggquist G.', 'year': '1931'} / Handbuch der mikroskopischen Anatomie des Menschen by Häggquist G. (1931)
10.1002/aja.1001020303
10.1002/jmor.1050880104
10.1002/jez.1401110308
{'key': 'e_1_2_1_19_1', 'volume-title': 'Genetic Neurology', 'author': 'Hamburger V.', 'year': '1950'} / Genetic Neurology by Hamburger V. (1950)
10.1111/j.1469-185X.1957.tb01563.x
10.1038/icb.1951.35
{'key': 'e_1_2_1_22_1', 'first-page': '269', 'article-title': 'Cell degeneration in the Larval ventral horn of Xenopus laevis (Daudin)', 'volume': '9', 'author': 'Hughes A.', 'year': '1961', 'journal-title': 'J. Embryol. Exp. Morph.'} / J. Embryol. Exp. Morph. / Cell degeneration in the Larval ventral horn of Xenopus laevis (Daudin) by Hughes A. (1961)
10.1016/S0079-6123(08)63740-1
10.1002/jmor.1050860203
{'key': 'e_1_2_1_25_1', 'first-page': '527', 'article-title': "Correlazioni nello suiluppo tra varie parti del sistema nervoso. I. Consequenze della demolizione dell'abbozzo di un arto sui centri nervossi nell'embrione di pollo", 'volume': '8', 'author': 'Levi‐Montalcini R.', 'year': '1944', 'journal-title': 'Commentationes'} / Commentationes / Correlazioni nello suiluppo tra varie parti del sistema nervoso. I. Consequenze della demolizione dell'abbozzo di un arto sui centri nervossi nell'embrione di pollo by Levi‐Montalcini R. (1944)
{'key': 'e_1_2_1_26_1', 'first-page': '311', 'article-title': 'The ontogenetic development of the oculomotor nucleus in the chick, tokushima', 'volume': '5', 'author': 'Niimi K.', 'year': '1959', 'journal-title': 'J. Exp. Med.'} / J. Exp. Med. / The ontogenetic development of the oculomotor nucleus in the chick, tokushima by Niimi K. (1959)
{'key': 'e_1_2_1_27_1', 'first-page': '63', 'article-title': 'Cell turnover in the spinal ganglia of Xenopus laevis tadpoles', 'volume': '13', 'author': 'Prestige M. C.', 'year': '1965', 'journal-title': 'J. Embryol. Exp. Morph.'} / J. Embryol. Exp. Morph. / Cell turnover in the spinal ganglia of Xenopus laevis tadpoles by Prestige M. C. (1965)
10.1002/cne.901070306
{'key': 'e_1_2_1_29_1', 'first-page': '117', 'article-title': 'Motor localization and the effects of nerve injury on the venire horn cells of the spinal cord', 'volume': '80', 'author': 'Romanes G. J.', 'year': '1946', 'journal-title': 'J. Anat. (Lond.)'} / J. Anat. (Lond.) / Motor localization and the effects of nerve injury on the venire horn cells of the spinal cord by Romanes G. J. (1946)
{'key': 'e_1_2_1_30_1', 'first-page': '126', 'article-title': 'Adjustments of nerve endings', 'volume': '36', 'author': 'Speidel C. C.', 'year': '1941', 'journal-title': 'Harvey Lectures'} / Harvey Lectures / Adjustments of nerve endings by Speidel C. C. (1941)
{'key': 'e_1_2_1_31_1', 'first-page': '205', 'article-title': 'Las diferenciaciones neuronale en el embryon de pollo, durante los cautro primeros dias de la incubacion', 'volume': '2', 'author': 'Tello F.', 'year': '1922', 'journal-title': 'Libro en honor de D. Santiago Ramon y Cajal. Madrid'} / Libro en honor de D. Santiago Ramon y Cajal. Madrid / Las diferenciaciones neuronale en el embryon de pollo, durante los cautro primeros dias de la incubacion by Tello F. (1922)
{'key': 'e_1_2_1_32_1', 'first-page': '242', 'article-title': 'The fragility of non‐myelinated nerve fibre terminals', 'volume': '85', 'author': 'Weddell G.', 'year': '1951', 'journal-title': 'J. Anat. (Lond.)'} / J. Anat. (Lond.) / The fragility of non‐myelinated nerve fibre terminals by Weddell G. (1951)

Dates

Type	When
Created	20 years, 2 months ago (June 11, 2005, 10:18 a.m.)
Deposited	1 year, 9 months ago (Nov. 12, 2023, 6:42 a.m.)
Indexed	1 year, 7 months ago (Jan. 14, 2024, 5:43 p.m.)
Issued	58 years, 5 months ago (March 1, 1967)
Published	58 years, 5 months ago (March 1, 1967)
Published Online	20 years, 2 months ago (June 1, 2005)
Published Print	58 years, 5 months ago (March 1, 1967)

Funders 0

None

BibTeX

@article{Cowan_1967, title={Cell loss in the trochlear nucleus of the chick during normal development and after radical extirpation of the optic vesicle}, volume={164}, ISSN={1097-010X}, url={http://dx.doi.org/10.1002/jez.1401640210}, DOI={10.1002/jez.1401640210}, number={2}, journal={Journal of Experimental Zoology}, publisher={Wiley}, author={Cowan, W. M. and Wenger, Eleanor}, year={1967}, month=mar, pages={267–279} }

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