Functional consequences of prenatal exposure to lead in immature rats. 1985

A Rabe, and J H French, and B Sinha, and R Fersko

Long-Evans dams were given 0.5% lead acetate as their sole drinking solution two weeks before and throughout pregnancy. Their offspring were transferred to normal surrogate dams on the second day after birth. From days 5 through 30, the rat pups were observed for the appearance of developmental landmarks and given behavioral tests (surface righting, negative geotaxis, eye opening, left-right position discrimination and reversal, ambulation and head dipping). Pups of pair-fed-and-watered as well as normal control dams were also transferred to surrogates and received the same tests. Although the lead-exposed rat pups had markedly elevated blood and brain lead on the day of birth (which were still significantly elevated on day 16), they showed no delay, impairment, or any other change on the various functional measures.

UI MeSH Term Description Entries
D007854 Lead A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D007855 Lead Poisoning Poisoning that results from chronic or acute ingestion, injection, inhalation, or skin absorption of LEAD or lead compounds. Poisoning, Lead,Lead Poisonings,Poisonings, Lead
D007858 Learning Relatively permanent change in behavior that is the result of past experience or practice. The concept includes the acquisition of knowledge. Phenomenography
D008124 Locomotion Movement or the ability to move from one place or another. It can refer to humans, vertebrate or invertebrate animals, and microorganisms. Locomotor Activity,Activities, Locomotor,Activity, Locomotor,Locomotor Activities
D009929 Organ Size The measurement of an organ in volume, mass, or heaviness. Organ Volume,Organ Weight,Size, Organ,Weight, Organ
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
D011297 Prenatal Exposure Delayed Effects The consequences of exposing the FETUS in utero to certain factors, such as NUTRITION PHYSIOLOGICAL PHENOMENA; PHYSIOLOGICAL STRESS; DRUGS; RADIATION; and other physical or chemical factors. These consequences are observed later in the offspring after BIRTH. Delayed Effects, Prenatal Exposure,Late Effects, Prenatal Exposure
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
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D005260 Female Females

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