Chapter 15 Vocab Urinary

retroperitoneal

Situated behind the peritoneum

Nephron

Structural and functional units of the kidneys

Perirenal Fat Capsule

Adipose tissue that surrounds the kidneys and the suprarenal glands

Glomerulus

Knot of capillaries in a cap hollow structure

Podocyte

High modified octopus like cells in the visceral layer of the capsule

Cortical Nephrons

Most Nephrons that are located entirely within the cortex

Juxtamedullary Nephrons

Nephrons situated close to the cortex-medulla junction and Nephron loops dip deep into the medulla

Urine

Watery yellowish fluid stored in the bladder

Glomerular Filteration

Non selective passive process in fluid passes from blood into the glomerular capsule

Tubular Reabsorption

Filtrate enters the proximal convoluted tubule, pertubular capillaries reabsorb

Tubular Secretion

Tubular Reabsorption in reverse

Glomerular Filtrate

Nonselective passive process (No energy = passive)

Urea

End of protein breakdown when amino acids are used to produce

Uric Acid

Nucleic Acid breakdown

Creatinine

Compound produced by metabolism

Urochrome

Chemical responsible for the yellow color urine

Specific Gravity

Comparison of how much heavier urine is than distilled water

Renal Failure

Kidneys are unable to filter waste & excess fluid from blood

Glycosuria

Excess of sugar in urine due to Diabetes or excessive intake of sugary foods

Pyuria

Presence of pus in Urine

Hematuria

Presence of blood in urine

Bilirubinuria

Bile in urine due to Liver to disease

Proteinuria

Presence of of abnormal quanties of protein in the urine

Hemoglobinuria

Excretion of free hemoglobin in the urine

Micturition

Voiding the act of emptying the bladder