What are gonapophyses in cockroach? Give their function.

Explanation

### Step-by-Step Solution:

1. **Definition of Gonapophyses**:
Gonapophyses are specialized chitinous structures found in cockroaches, located near the gonophore. They are part of the reproductive system in these insects.

2. **Structure**:
Gonapophyses are made of chitin, a tough, protective protein that forms part of the exoskeleton of cockroaches and other arthropods. This structure is adapted for their reproductive functions.

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