A subchronic, teratologic, and dominant lethal study of 2-methylresorcinol in rats. II. Teratologic and dominant lethal study. 1986

T A Re, and R F Loehr, and S C Rodriguez, and D E Rodwell, and C M Burnett

2-Methylresorcinol (2-MR) was administered to groups of 40 male and 35 female Sprague-Dawley rats by admixture with the diets at levels of 0.1, 0.4, and 1.5% (see Part I; T.H. Re, R.F. Loehr, S.C. Rodriguez, C.E. Gilmore, and C.M. Burnett, 1986, Fundam. Appl. Toxicol. 7, 287-292). Following 90 days of exposure, 25 randomly selected females in each group were mated to untreated males in a teratology study in which exposure to 2-MR continued throughout the gestation period. After 20 weeks of exposure to 2-MR, 20 males per group were removed from the test diets containing 2-MR and were mated to untreated females in a dominant lethal study. Feeding 2-MR at levels of 0.4 and 1.5% in the diet was associated with a significant reduction in body weight gain. 2-MR was not teratogenic nor did it induce a dominant lethal effect under the conditions of this study.

UI MeSH Term Description Entries
D008297 Male Males
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D012098 Reproduction The total process by which organisms produce offspring. (Stedman, 25th ed) Human Reproductive Index,Human Reproductive Indexes,Reproductive Period,Human Reproductive Indices,Index, Human Reproductive,Indexes, Human Reproductive,Indices, Human Reproductive,Period, Reproductive,Periods, Reproductive,Reproductive Index, Human,Reproductive Indices, Human,Reproductive Periods
D012118 Resorcinols A water-soluble crystalline benzene-1,3-diol (resorcinol) and its derivatives. m-Dihydroxybenzenes,meta-Dihydroxybenzenes,m Dihydroxybenzenes,meta Dihydroxybenzenes
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D005260 Female Females
D005327 Fetal Resorption The disintegration and assimilation of the dead FETUS in the UTERUS at any stage after the completion of organogenesis which, in humans, is after the 9th week of GESTATION. It does not include embryo resorption (see EMBRYO LOSS). Fetal Resorptions,Resorption, Fetal,Resorptions, Fetal
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013723 Teratogens An agent that causes the production of physical defects in the developing embryo. Embryotoxins,Fetotoxins,Teratogen

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