Definitions of tubule
  1. noun
    a small tube
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    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
    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
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