Which glands of cockroach help in formation of ootheca?

Explanation

### Step-by-Step Solution:

1. **Identify the Glands in Cockroach**:
- In the female cockroach, specific glands are responsible for the formation of the ootheca.

2. **Name the Glands**:
- The glands involved in the formation of the ootheca are called **collateral glands**.

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