{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T21:10:04Z","timestamp":1760217004824},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2005,6,1]],"date-time":"2005-06-01T00:00:00Z","timestamp":1117584000000},"content-version":"vor","delay-in-days":5449,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Teratology"],"published-print":{"date-parts":[[1990,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>During embryogenesis, maternal administration of cadmium (Cd) produces teratogenic effects, including hydrocephalus (HC), whereas later in gestation (during the fetal period), such effects have not been reported. Since there is little placental transfer of Cd late in gestation, such differences in response could be due to a lower Cd concentration in the fetus compared with the embryo after maternal Cd exposure, or could be due to a decreased sensitivity of the fetal central nervous system (CNS) to Cd. To test the susceptibility of the late gestational CNS to Cd, day 19 (sperm plug = day 0) rat fetuses were directly injected i.p. with CdCl<jats:sub>2<\/jats:sub> (165, 100, 50 nmoles\/fetus in 5 \u03bcl saline). All fetuses in one horn were treated with Cd, while fetuses in the other horn were treated with saline. Fetuses were collected on day 21, grossly examined, weighed, fixed in Bouin's fixative, and later razor sectioned. Cd did not affect fetal viability or body weight. However, Cd caused a dose\u2010dependent increase in hydrocephalus, with the total number of fetuses showing moderate to severe HC being 0\/45, 0\/11, 6\/10, and 18\/20 for controls, low, medium, and high doses, respectively. Mild HC was noted in one control and two low Cd fetuses. Brain necrosis was correlated with hydrocephalus, being observed in 0\/45, 0\/11, 5\/10, and 16\/20 fetuses, respectively. In medium\u2010dose fetuses without HC or brain necrosis, extravasation of erythrocytes was noted histologically within the cortical parenchyma, suggesting that hemorrhaging may lead to brain necrosis and hydrocephalus in Cd\u2010exposed fetuses. Thus, the fetal CNS is susceptible to the toxic effects of Cd.<\/jats:p>","DOI":"10.1002\/tera.1420420103","type":"journal-article","created":{"date-parts":[[2005,6,12]],"date-time":"2005-06-12T04:18:15Z","timestamp":1118549895000},"page":"7-13","source":"Crossref","is-referenced-by-count":20,"title":["Central nervous system lesions in the wistar rat fetus following direct fetal injections of cadmium"],"prefix":"10.1002","volume":"42","author":[{"given":"Tacey E. 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