Glomerulus and Bowman's capsule collectively called Malpighian body.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Terms:**
- The **glomerulus** is a network of capillaries involved in the filtration of blood.
- The **Bowman's capsule** is a cup-like structure that encases the glomerulus and collects the filtrate.

2. **Identifying the Collective Structure:**
- The glomerulus and Bowman's capsule together form a structure known as the **renal corpuscle**. This is the initial part of the nephron, which is the functional unit of the kidney.
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