Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats.

Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Research Abstract Details 

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Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Abstract Text:

G C Papadopoulos,M E Cavanagh,J Antonopoulos,H Michaloudi,J G Parnavelas,

The distribution of somatostatin (SRIF)-immunoreactive neurons in the visual cortical areas 17, 18 and 18a of Wistar rats from birth to adulthood was followed in both normal and dark-reared animals. The SRIF neurons show difference in distribution amongst the three cortical areas studied as early as the first postnatal week. Area 17 was distinguished by fewer SRIF cells in the upper layers (I-III), which results in a lower overall density. The SRIF neurons in all areas appeared to increase in numbers up to about 3 weeks and then decline dramatically to adult levels, which were 14-19% of the peak levels. Although this decline was still obvious, it moderated to 25-31% in dark-reared animals. The greatest effect was seen in area 18 where, at 60 days of age, there were twice as many SRIF cells in dark-reared as in normal controls. It is suggested that, under conditions of dark rearing, the overall pattern of development of SRIF neurons, being uninfluenced by extrinsic factors, reveals the cells' genetic potential.

Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Publishing Authors By Initials

GC Papadopoulos,ME Cavanagh,J Antonopoulos,H Michaloudi,JG Parnavelas,

For similar nervous system: central nervous system: brain: prosencephalon: telencephalon: cerebrum: cerebral cortex: occipital lobe: visual cortex research abstracts see: nervous system: central nervous system: brain: prosencephalon: telencephalon: cerebrum: cerebral cortex: occipital lobe: visual cortex research

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Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 92

Page Numbers: 473-8

Journal Abbreviation:

ISSN: 0014-4819

DAY: 15

MONTH: 02

YEAR: 1993

Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Information

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LANGUAGE: eng

NlmUniqueID: 43312

Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Keywords Mesh Terms:

KEYWORDS: Visual Cortex

MESH TERMS: growth & development

Chemical & Substance for Abstract: Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats. Information

Substance Name: Somatostatin

Registry Number: 51110-01-1

Grant and Affiliation Information for Postnatal development of somatostatin-containing neurons in the visual cortex of normal and dark-reared rats.

AFFILIATION: Department of Anatomy, School of Veterinary Medicine, University of Thessaloniki, Greece.

Country: GERMANY

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MEDLINETA: Exp Brain Res

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