Which of following cavity in pelvic girdle provides space to haed of fumer for ball and socket type of articulation?

Options

A. Foramen mugnum
B. Obturator foramen
C. Acetabulum
D. Glenoid cavity

Answer

To answer the question about which cavity in the pelvic girdle provides space for the head of the femur for ball and socket type of articulation, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of the Pelvic Girdle**: The pelvic girdle consists of several bones, including the ilium, ischium, and pubis. It forms a basin-like structure that supports the weight of the upper body and provides attachment points for the lower limbs.

2. **Identify the Type of Joint**: The question specifies a ball and socket joint, which allows for a wide range of motion, including rotation. This type of joint is characterized by a spherical head of one bone fitting into a cup-like socket of another bone.

3. **Locate the Relevant Cavity**: In the context of the pelvic girdle, the cavity that serves as the socket for the head of the femur (thigh bone) is crucial for this articulation.

4. **Evaluate the Options**:
- **Foramen Magnum**: This is an opening in the skull, not related to the pelvic girdle.
- **Obturator Foramen**: This is an opening in the pelvic girdle but does not serve as a socket for the femur.
- **Acetabulum**: This is the correct cavity in the pelvic girdle that forms the socket for the head of the femur, allowing for the ball and socket joint.
- **Glenoid Cavity**: This is related to the shoulder joint, not the pelvic girdle.

5. **Conclude the Correct Answer**: Based on the evaluation, the acetabulum is the cavity in the pelvic girdle that provides the necessary space for the head of the femur for ball and socket articulation.

### Final Answer:
The correct answer is **Acetabulum**.

---