alexa The extent of fetal ossification as an index of delayed development in teratogenic studies on the rat.
Nutrition

Nutrition

Journal of Nutritional Disorders & Therapy

Author(s): Aliverti V, Bonanomi L, Giavini E, Leone VG, Mariani L

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Abstract In teratogenic studies toxic effects may manifest themselves in retarded fetal development, such as a reduction in fetal weight. In searching for an additional index, the number of centers of ossification in seven skeletal districts (sternum, metacarpus, metatarsus, cervical and caudal vertebrae, anterior and posterior proximal phalanges) of rat fetuses delivered on days 19, 20 and 21 of gestation were counted and compared. Results showed uneven ossification in day-19 and -20 fetuses, but sufficiently advanced, homogeneous and uniform ossification in day-21 fetuses to provide a reliable quantitative index for evaluating retarded fetal development. It is therefore proposed that the stage of skeletal ossification in day-21 fetuses be used in teratogenic studies in the rat to evaluate retarded fetal development. This article was published in Teratology and referenced in Journal of Nutritional Disorders & Therapy

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