The mammary glands are paired structures that contain the glandular tissue and variable amount of fat.The correct sequence of tissues involved in synthesis and flow of milk are

Options

A. Mammary lobes `to` Mammary alveoli `to` Mammary ampulla `to` Mammary duct`to` Lactiferous duct
B. Mammary lobes `to` Mammary alveoli `to` Mammary ducts `to` Lactiferous duct
C. Mammary lobes `to` Mammary alveoli `to` Lactiferous duct`to` Mammary ampulla `to` Mammary duct
D. Mammary alveoli `to` Mannary lobes`to` Lactiferous duct`to` Mammary duct

Answer

To determine the correct sequence of tissues involved in the synthesis and flow of milk in the mammary glands, we can break down the process into clear steps:

### Step-by-Step Solution:

1. **Understanding the Mammary Glands**: The mammary glands are specialized organs in females that produce milk. They consist of glandular tissue and fat.

2. **Initiation of Milk Production**: After childbirth (parturition), the hormone prolactin is released, which stimulates the synthesis of milk in the mammary glands.

3. **Location of Milk Synthesis**: Milk is synthesized in the mammary alveoli. These are small sac-like structures within the mammary lobes where the actual formation of milk occurs.

4. **Storage of Milk**: Once the milk is produced in the mammary alveoli, it is then transported to and stored in the mammary ducts.

5. **Ejection of Milk**: When the baby suckles, the hormone oxytocin is released, which causes the contraction of the myoepithelial cells around the alveoli. This contraction helps to eject the milk from the mammary ducts through the lactiferous ducts.

6. **Flow of Milk**: The milk flows from the mammary alveoli to the mammary ducts and then through the lactiferous ducts to the nipple, where the baby can access it.

### Correct Sequence:
- Mammary Lobe → Mammary Alveoli → Mammary Duct → Lactiferous Duct

### Conclusion:
Thus, the correct sequence of tissues involved in the synthesis and flow of milk is:
**Mammary Lobe → Mammary Alveoli → Mammary Duct → Lactiferous Duct**.