Some Observations on the Endocrine Systems in the Embryos of Anacridium aegyptium, L. (Orthopthera:Acrididae) II- The Neurosecretory cells and corpora Cardiaca and Corpora allata
1974
Küçükekşi, Süheyla
The neurosecretory cells, the corpora cardiaca and the corpora allata of the embryos of Anacridium aegyptium, L. can be observed at the 19th stage, the stage after the embryo has rotated at the pos- terior pole of the egg.The neurosecretory cells in the head can be seen in the brain (in the protocerebrum and tritocerebrum) and the frontal and phageal ganglia, but only the neurosecretory cells of the brain were studied. They are few in number and are scattered at the periphery of protocerebrum, especially in the median, lateral and anterio- ventral regions, but do not form groups. The most conspicuous neurosecretory cells are those in the mid-line of the anterio- ventral region of the protocerebrum. One type of neurosecretory cells can be identified by their granules, but it is not possible to distinguish cyclic activity during embryonic development.
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