Abstract：
:Ovigerous females of the estuarine crab Chasmagnathus granulatus were exposed to mercury (0.1mg/L) during the entire, early, or late embryonic development. A delay in the egg incubation period and some morphological abnormalities were detected in larvae hatched from exposed females. Particularly, hypopigmentation of body chromatophores was the abnormality that showed the highest incidence, this incidence being greater when ovigerous females were exposed to mercury either during the totality or just the first half of the egg incubation period. In contrast, the effect of mercury on the morphology and pigmentation of eyes was greater when the exposure comprised the totality or just the second half of the incubation period. These results correlate with the timing of both body pigment synthesis and eye formation during embryonic development. Although these abnormalities have been observed in the same species with other heavy metals, such as zinc and copper, the responsiveness during the early and late embryonic development was different with mercury.
journal_name
Environ Resjournal_title
Environmental researchauthors
Sánchez MV,Cahansky AV,López Greco LS,Rodríguez EMdoi
10.1016/j.envres.2004.09.005subject
Has Abstractpub_date
2005-09-01 00:00:00pages
72-8issue
1eissn
0013-9351issn
1096-0953pii
S0013-9351(04)00183-5journal_volume
99pub_type
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