Best source to obtain areolar connective tissue for histology is

Options

A. Perimysium
B. Periosteum
C. Perichondrium
D. Epimysium

Answer

To determine the best source to obtain areolar connective tissue for histology, we need to analyze the provided options:

1. **Perimysium**: This is a connective tissue sheath that surrounds bundles of muscle fibers (fascicles) in skeletal muscle. It contains areolar connective tissue, making it a suitable source for histological studies.

2. **Periosteum**: This is a dense layer of vascular connective tissue that envelops the bones except at the surfaces of the joints. While it does contain some connective tissue, it is not primarily composed of areolar connective tissue.

3. **Pericondrium**: This is the layer of connective tissue that surrounds cartilage. It provides support and nourishment to the cartilage but is not a primary source of areolar connective tissue.

4. **Aponeurosis**: This is a type of flat, broad tendon that connects muscles to the parts they move. It is primarily made of dense connective tissue rather than areolar connective tissue.

Given this analysis, the best source to obtain areolar connective tissue for histology is:

**Answer: Perimysium**

### Step-by-Step Solution:
1. **Identify the options**: Look at the four options provided: perimysium, periosteum, pericondrium, and aponeurosis.

2. **Understand the structure of each option**:
- **Perimysium**: Surrounds muscle fascicles and contains areolar connective tissue.
- **Periosteum**: Covers bones but is not primarily made of areolar tissue.
- **Pericondrium**: Surrounds cartilage, not a source of areolar tissue.
- **Aponeurosis**: Connects muscles but is made of dense connective tissue.

3. **Determine the best source**: Since perimysium contains areolar connective tissue, it is the best source for histological studies.

4. **Conclude the answer**: The best source to obtain areolar connective tissue for histology is perimysium.