Here is the requested information on "sulci":
1. **Parts of Speech:** Noun
2. **Definitions:**
- A groove or furrow, especially one on the surface of the brain.
- A groove or furrow on the surface of an organ or structure.
3. **Pronunciations:**
- US: /ˈsʌl.saɪ/ or /ˈsʌl.saɪz/
- UK: /ˈsʌl.saɪ/
4. **Origin and Usage:**
- "Sulci" is the plural form of "sulcus," which comes from the Latin word "sulcus" meaning "furrow" or "trench."
- In anatomy, "sulci" refers to the grooves or furrows on the surface of the brain or other organs.
- "Sulci" is commonly used in medical and scientific contexts.
5. **Synonyms:** furrows, grooves, indentations, channels
6. **Related Words:**
- sulfa
- sulks
- sully
- sulky
- sulks
7. **Example Sentences:**
- The sulci on the surface of the brain are important for identifying different regions and functions.
- The sulci in the bark of a tree help transport water and nutrients throughout the plant.
- The surgeon carefully followed the sulci to avoid damaging any important structures during the operation.