英语释义
1. a small arteriovenous anastomosis together with its supporting structures
2. a small arteriovenous anastomosis together with its supporting structures: as
3. a vascular tuft that suggests a renal glomerulus and that develops from the embryonic aorta in relation to the pronephros
4. carotid body
5. a tuft of the choroid plexus protruding into each lateral ventricle of the brain