tubule

/ˌtuˈbjul/

Other forms: tubules

Definitions of tubule

1. noun

   a small tube
   types:

   microtubule

   a microscopically small tubule

   nephron, uriniferous tubule

   any of the small tubules that are the excretory units of the vertebrate kidney

   uveoscleral pathway

   a tubule that drains excess aqueous humor

   seminiferous tubule

   any of the numerous long convoluted tubules in the testis which are the sites where spermatozoa mature

   vasa efferentia

   the several highly convoluted tubules that lead from the rete testis to the vas deferens and form the head of the epididymis

   trachea

   one of the tubules forming the respiratory system of most insects and many arachnids

   type of:

   tube, tube-shaped structure

   (anatomy) any hollow cylindrical body structure