stylet

• اسم يشير إلى عضو صغير دقيق شبيه بالإبرة أو الإبرة اللاسعة، ولا سيما عضو التغذية أو الوخز عند بطيئات المشية وبعض اللافقاريات الأخرى.

A noun referring to a small, needle-like appendage or structure, particularly the feeding organ found in tardigrades and some other invertebrates.

1. Feeding organ of a tardigradeC2formalscientific

   A small, needle-like appendage used by tardigrades (water bears) to pierce and feed on plant cells or small organisms.

   إبرة التغذية

   • The tardigrade uses its stylet to puncture the cell wall of algae.
   • Under the microscope, the stylet of the water bear is clearly visible.
   • The stylet retracts when the tardigrade is not feeding.

2. Surgical instrumentC1formalmedical

   A thin, pointed probe or wire used in medical procedures to guide a catheter or drain a cavity.

   مِسْبار طبي

   • The surgeon inserted a stylet to guide the catheter into the vein.
   • A stylet is often used during lumbar punctures.
   • The medical team carefully removed the stylet after placement.

   المرادفاتmandrelprobewire