Which of the following structure is connected with double ventral nerve cord in Periplaneta americana?

Question

Which of the following structure is connected with double ventral nerve cord in Periplaneta americana? (A) Supra-pharyngeal ganglion (B) Sub-oesophageal ganglion (C) Sub-pharyngeal ganglion (D) Supra-oesophageal ganglion

Tardigrade Admin · Accepted Answer

In Cockroach, the brain is represented by Supra-oesophageal ganglion whereas from Sub-oesophageal ganglion double ventral nerve cord originates having nine segmentally arranged ganglia arise on ventral side of thorax and abdomen.

Q. Which of the following structure is connected with double ventral nerve cord in Periplaneta americana?

Supra-pharyngeal ganglion

Sub-oesophageal ganglion

Sub-pharyngeal ganglion

Supra-oesophageal ganglion

In Cockroach, the brain is represented by Supra-oesophageal ganglion whereas from Sub-oesophageal ganglion double ventral nerve cord originates having nine segmentally arranged ganglia arise on ventral side of thorax and abdomen.