pilus

• اسم يشير إلى بنية شبيهة بالشعر، خاصة على سطح الخلية أو الكائن الدقيق، أو أي من النتوءات الأسطوانية الخيطية النامية من بشرة الثدييات.

A noun referring to a hairlike structure, especially on the surface of a cell or microorganism, or any of the cylindrical filaments growing from the epidermis of a mammal.

جمع شاذ

1. Hair on mammalsC1formalscientific

   A fine, thread-like structure that grows from the skin of mammals, forming fur or hair.

   شعر الثدييات

   • The pilus of a mammal provides insulation and protection.
   • Each pilus grows from a follicle in the skin.
   • The density of pili varies greatly among different species.

   المرادفاتhair

2. Bacterial appendageC1formalscientific

   A hair-like appendage found on the surface of many bacteria, used for attachment or genetic exchange.

   أهداب بكتيرية

   • The bacterium uses its pilus to attach to host cells.
   • Conjugation is facilitated by a specialized pilus.
   • Scientists study the pilus to understand bacterial infections.

   المرادفاتfimbria