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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Dangata, Y. Y. Kaufman, M. H. |
| Description | Country affiliation: United kingdom Author Affiliation: Dangata YY ( Department of Anatomy, University Medical School, Edinburgh, UK.) |
| Abstract | Pregnant female mice were divided on day 12 post coitum into a control and an experimental group. The experimental group was given a single intraperitoneal dose of 0.015 ml/g body weight of 25% solution of alcohol in distilled water while the control group was exposed to a similar weight related dose of normal saline. The optic nerves were isolated from the offspring of both control and experimental groups at wk 2, 3 and 5 (i.e. during the juvenile period of postnatal development) and analysed by light and electron microscopy. Although in both groups the optic nerve grew in size rapidly during the period studied, the rate of growth in the experimental groups lagged behind that of the controls. The difference was initially significant but tailed off, so that by wk 5 it was no longer significant. The time of initial onset and progression of myelinogenesis in the optic nerve of alcohol exposed mice also lagged behind that of controls. In both groups the size distribution of the myelinated nerve fibres in the optic nerve was unimodal with a positive skewing for all ages. The spectrum of size distribution of the nerve fibres was, however, broader in controls than in the corresponding experimental groups. With increasing age the proportion of small and medium size fibres was greater in the experimental group than in the controls, while for the large diameter fibres the reverse was observed. It is suggested that this study may shed light on the teratogenic effect of 'binge' drinking during pregnancy and that it is the critical period when exposure occurs that is more important than the duration of administration. |
| File Format | HTM / HTML |
| ISSN | 14697580 |
| e-ISSN | 14697580 |
| Journal | Journal of Anatomy |
| Volume Number | 191 Pt 1 |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 1997-07-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Anatomy Fetal Alcohol Spectrum Disorders Pathology Myelin Sheath Physiology Optic Nerve Prenatal Exposure Delayed Effects Animals Ethanol Mice Mice, Inbred C57bl Mice, Inbred Cba Drug Effects Growth & Development Ultrastructure Pregnancy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Anatomy Cell Biology Developmental Biology Histology Molecular Biology Ecology, Evolution, Behavior and Systematics |
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