| fetal |
| 1. adj. (embryology) Pertaining to, or connected with, a fetus. | |
| fetal circulation | |
| fetal membranes | |
| circulation |
| 1. n. The act of moving in a circle, or in a course which brings the moving body to the place where its motion began. | |
| 2. n. The act of passing from place to place or person to person; free diffusion; transmission. | |
| 3. n. Currency; circulating coins; notes, bills, etc., current for coin. | |
| The new bills will come into circulation next Friday. | |
| 4. n. The extent to which anything circulates or is circulated; the measurement of diffusion | |
| 5. n. The movement of the blood in the circulatory system, by which it is brought into close relations with almost every living elementary constituent. | |
| 6. n. The movement of the sap in the vessels and tissues of plants. | |
