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Question

Ingluvial ganglion in cockroach is present on the surface of

A
gizzard
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B
crop
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C
none of these
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D
brain
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Solution

The correct option is B crop
The sympathetic nervous system of the cockroach is composed of four ganglia (dense mass of nerve cell bodies) and the nerves arising from them. These include -
*The frontal ganglion
*The occipital ganglion
*The visceral ganglion
*The ingluvial ganglion

The ingluvial ganglion is present on the surface of the crop. A pair of ingluvial nerves arise posteriorly over the crop from this ganglionic mass.


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