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Related to surgeon's knot: blood knot
1. an intertwining of the ends or parts of one or more threads, sutures, or strips of cloth.
2. in anatomy, a knoblike swelling or protuberance.
surgeon's knot (surgical knot) a knot in which the thread is passed twice through the first loop and once through the second loop in square knot fashion.
the first loop of the knot has two throws rather than a single throw; the second loop has only one throw, which is placed in a square-knot fashion, leaving the free ends in the same plane as the first loop.
n. pl. surgeons' knots
Any of several knots, especially one similar to a square knot, used in surgery for tying ligatures or stitching incisions.
sur·geon's knot(sŭr'jŏnz not)
The first loop of the knot has two throws rather than a single throw. The second loop has only one throw and is placed in a square-knot fashion, leaving the free ends in the same plane as the first loop.
surgeon's knotAny one of a range of secure knots used in surgery for tying LIGATURES or SUTURES, especially a reef knot with an extra throw and an extra twist.
same as a square knot except that the first throw is a double one. It is more secure than a square and holds its position better for the second throw. It is often reinforced by a third single throw.