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Definitions of tubule
  1. noun
    a small tube
Definition that contains tubule
  • trachea one of the tubules forming the respiratory system of most insects and many arachnids
  • epididymis a convoluted tubule in each testis; carries sperm to vas deferens
  • vasopressin hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
  • uriniferous tubule any of the small tubules that are the excretory units of the vertebrate kidney
  • adh hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
  • centriole one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis
  • pitressin hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
  • seminiferous tubule any of the numerous long convoluted tubules in the testis which are the sites where spermatozoa mature
  • nephron any of the small tubules that are the excretory units of the vertebrate kidney
  • uveoscleral pathway a tubule that drains excess aqueous humor
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