Horizontal /oblique canals found in long bones of mammals are

Options

A. Haversian canals
B. Volkmann's canals
C. Canaliculi
D. Neural canal.

Answer

To answer the question regarding the horizontal or oblique canals found in long bones of mammals, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Structure of Long Bones**:
- Long bones in mammals have a complex structure that includes various types of canals which serve different functions.

2. **Identifying the Types of Canals**:
- There are several types of canals in long bones, including Haversian canals, Volkmann canals, canaliculi, and neural canals.

3. **Analyzing Haversian Canals**:
- Haversian canals are vertical canals that run along the length of the bone and are responsible for the nourishment of osteons. They do not fit the description of horizontal or oblique canals.

4. **Analyzing Volkmann Canals**:
- Volkmann canals are small canals that run horizontally or obliquely and connect Haversian canals to each other. This makes them the correct answer to the question.

5. **Analyzing Canaliculi**:
- Canaliculi are tiny channels that connect osteocytes within the bone matrix. They are not horizontal or oblique canals; rather, they are part of the bone's hard matrix.

6. **Analyzing Neural Canals**:
- Neural canals are associated with the vertebrae and are not relevant to the structure of long bones.

7. **Conclusion**:
- Based on the analysis, the horizontal or oblique canals found in long bones of mammals are identified as Volkmann canals.

### Final Answer:
The horizontal or oblique canals found in long bones of mammals are **Volkmann canals**.

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