| 释义 |
‖ precava, præ- Anat.|priːˈkeɪvə|
[f. pre- A. 4 b + cava for vena cava: cf. postcava.]
The superior or anterior vena cava. Hence pre-, præˈcaval a. (also ellipt. as n.).
1866Owen Anat. Vert. I. 505 The right and left precavals enter separately the auricular sinus, the left precaval opening near the postcaval vein. 1882[see postcava]. 1884T. J. Parker Zootomy 65 A small chamber, the precaval sinus..situated in the antero-lateral angle of the abdominal cavity. |