| sewing ring |
a cloth-covered ring surrounding an artificial cardiac valve and used for securing the valve in position.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
|
|---|---|
| sewing r. |
a cloth-covered ring surrounding an artificial cardiac valve and used for securing the valve in position.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|