释义 |
nephron Anat.|ˈnɛfrɒn| [a. G. nephron (H. Braus Anat. d. Menschen (1924) II. 351), f. Gr. νεϕρός kidney.] Each of the numerous filtration units in the kidney, which consist of a tube divided (in higher forms) into a glomerulus, a proximal convoluted tubule, a loop of Henle, a distal convoluted tubule and a collecting tubule, and through which the glomerular filtrate passes, undergoing selective reabsorption and emerging as urine.
1932Anat. Record CIV. 185 The nephron of the sculpin was nevertheless compared with that of the toadfish. 1937Amer. Jrnl. Anat. LXI. 21 (heading) Observations upon the structure of the nephron in the common eel. 1965New Scientist 24 June 868/2 A human kidney contains approximately one million units called nephrons, each consisting of a thin tube about 20 to 50 micrometres wide and 50 millimetres long. 1974Passmore & Robson Compan. Med. Stud. III. xxii. 11/1 Such surviving nephrons would be in a state of continuous osmotic diuresis. 1975A. Dillard Pilgrim at Tinker Creek viii. 133 The nephron..is a filtering structure which produces urine and reabsorbs nutrients. |