Okay, let's tackle this question. The question is about the number of laticiferous ducts that open into the nipple. Hmm, I remember that laticiferous ducts are related to milk ducts in the breast. Wait, but the term "laticiferous" might be a bit confusing. Let me think—lactiferous ducts are the ones that carry milk from the alveoli to the nipple, right?

So, the question is asking how many of these ducts open into the nipple. I think each breast has multiple lactiferous ducts. But how many exactly? I recall that there are usually 15 to 20 lactiferous ducts in each breast. Each duct opens into a separate pore on the nipple. So the answer should be around that range. Let me check the options again. The options aren't provided here, but the correct answer is supposed to be one of them. If the options were, say, 10, 15, 20, 25, then 15-20 would be correct.

Wait, maybe the term "laticiferous" is a typo and should be "lactiferous"? Because laticiferous ducts are those that secrete latex, which is different. But in the context of the breast, it's definitely lactiferous. So the correct answer is likely 15-20. But the question might be looking for a specific number. I think the standard answer is 15-20 lactiferous ducts per breast. Each duct has its own opening on the nipple. So if the options include 15-20, that's the correct choice. The other options would be numbers outside that range. For example, if an option says 5, that's too low, and 30 is too high. So the correct answer is the one that states 15-20 ducts.

**Core Concept**
Lactiferous ducts (milk ducts) transport milk from mammary alveoli to the nipple. The number of ducts correlates with the number of openings (lactiferous sinuses) on the nipple surface.

**Why the Correct Answer is Right**
Each breast typically has **15–20 lactiferous ducts**, each opening into a distinct pore on the nipple. These ducts are lined with epithelial cells and surrounded by myoepithelial cells that contract during milk ejection. The exact count varies but is rarely fewer than 10 or more than 30.

**Why Each Wrong Option is Incorrect**
**Option A:** Likely represents an incorrect low value (e.g., 5–10), which underestimates the actual number.
**Option B:** May suggest an intermediate but incorrect count (e.g., 12–14), not aligning with standard anatomical references.
**Option C:** Could indicate an abnormally high number (>25), which is inconsistent with typical breast anatomy.

**Clinical Pearl / High-Yield Fact**
Remember: **"15–20 ducts, 15–20 pores"** on the nipple. This is critical for understanding breastfeeding mechanics and diagnosing conditions like plugged ducts or infections.

**Correct Answer: C.

✓ Correct Answer: B. 15-20