catgut

• 指用羊肠制成的坚韧线，用于外科手术缝合；也指北美东部的一种多年生半灌木，是鱼藤酮的来源。

A noun referring to a strong cord made from the intestines of sheep and used in surgery, or a perennial subshrub of eastern North America that is a source of rotenone.

1. Surgical suture materialC1formalmedical

   A strong, thin cord made from the natural fibers of animal intestines, historically used in surgery for stitching wounds.

   外科缝合材料

   • The surgeon used catgut to close the incision.
   • Catgut sutures are absorbed by the body over time.
   • Modern catgut is often treated to improve its strength.

   同义词gut

2. Plant source of rotenoneC2formalamericanscientific

   A perennial subshrub native to eastern North America, with downy leaves and yellowish and rose flowers, known as a source of rotenone.

   植物源鱼藤酮

   • The catgut plant is sometimes used in natural pest control.
   • Its flowers attract various pollinators in the wild.
   • Rotenone extracted from catgut has been studied for its insecticidal properties.