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早成性哺乳动物豚鼠(Cavia porcellus)视网膜电图的个体发生。

Ontogenesis of the electroretinogram in a precocial mammal, the guinea pig (Cavia porcellus).

作者信息

Huang J, Wyse J P, Spira A W

机构信息

Department of Anatomy, University of Calgary, Alberta, Canada.

出版信息

Comp Biochem Physiol A Comp Physiol. 1990;95(1):149-55. doi: 10.1016/0300-9629(90)90024-m.

DOI:10.1016/0300-9629(90)90024-m
PMID:1968807
Abstract
  1. Ontogenesis of the electroretinogram, the mass electrical response of the retina to flash light stimuli, was studied in the guinea pig (Cavia porcellus), a precocial species with visual function at birth. 2. a-Wave components, b-wave, oscillatory potentials, slow PIII, and c-wave responses to flash stimuli developed between 55 and 64 days of gestation (full term is 68-69 days). 3. a-Waves attributable to photoreceptor functions were fully mature at 60 days. 4. ERG development lagged behind the reported critical milestones in retinal development; its prenatal onset indicates that no history of light entrainment is required for initiation of a mature ERG response.
摘要
  1. 视网膜电图是视网膜对闪光刺激的群体电反应,我们在豚鼠(豚鼠属)中研究了其个体发生,豚鼠是一种早熟物种,出生时具有视觉功能。2. 对闪光刺激的α波成分、b波、振荡电位、慢PIII和c波反应在妊娠55至64天之间发育(足月为68 - 69天)。3. 归因于光感受器功能的α波在60天时完全成熟。4. 视网膜电图的发育落后于视网膜发育中报道的关键里程碑;其产前开始表明,启动成熟的视网膜电图反应不需要光诱导史。

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