Nephron

Science / Biology / Nephron: A tubular structure that is the filtering unit of the kidney; consists of a glomerulus and renal tubule.

Filtration

Science / Biology / Filtration: The removal of water and solutes from the blood; occurs in the glomerulus of the nephron. MORE

Glomerulus

Science / Biology / Glomerulus: A tangle of capillaries that makes up part of the nephron; the site of filtration. MORE

Aldosterone

Science / Biology / Aldosterone: A hormone secreted by the adrenal glands that controls the reabsorption of sodium in the renal tubule of the nephron. MORE

Renal Tubule

Science / Biology / Renal Tubule: The portion of the nephron where urine is produced. MORE

Tubular Secretion

Science / Biology / Tubular Secretion: The process in which ions and other waste products are transported into the distal tubules of the nephron. MORE

Reabsorption

Science / Biology / Reabsorption: The return to the blood of most of the water, sodium, amino acids, and sugar that were removed during filtration; occurs mainly in the proximal tubule of the nephron. MORE

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