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Fetal membranes and placenta of the african green monkey (Cercopithecus aethiops)
(1989)
This study examined developmental changes in fetal membranes and placenta of Cercopithecus aethiops from a Carnegie developmental stage 12 embryo to nearterm fetuses. Ultrastructurally, yolk sac cells (endoderm and ...
Human Rights
(1997)
The morphology of the gills of the freshwater African crab Potamon niloticus (Crustacea: Brachyura: Potamonidae): A scanning and transmission electron microscopic study
(Wiley, 1990)
The gills of the African freshwater crab Potamon niloticus-Ortmann have been investigated by scanning and transmission electron microscopy. Potamon has seven pairs of phyllobranchiate gills contained in the branchial ...