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Urinary 1
| Question | Answer |
|---|---|
| Bean-shaped organs; size of a tightly clenched fist. | Kidneys |
| Connective tissue (CT) that surrounds each kidney. | Renal capsule |
| The indentation where the renal artery and nerves enter. | Hilum |
| Cavity that contains blood vessels. | Renal sinus |
| The outer layer surrounding the renal sinus. | Cortex |
| The inner layer surrounding the renal sinus. | Medulla |
| Structures located between the cortex and medulla. | Renal pyramids |
| Funnel-shaped structure that surrounds the tip of each pyramid. | Calyx |
| A larger funnel formed by the calyces. | Renal pelvis |
| Exits the kidney and connects to the urinary bladder. | Ureter |
| Hollow muscular container that stores urine. | Urinary bladder |
| Tube that carries urine from the urinary bladder to the outside of the body. | Urethra |
| The functional unit of the kidney. | Nephron |
| Includes the Bowman's capsule and the glomerulus. | Renal corpuscle |
| A part of the nephron, located after the renal corpuscle. | Proximal convoluted tubule |
| A U-shaped part of the nephron, including descending and ascending limbs. | Loop of Henle |
| A part of the nephron, located after the loop of Henle. | Distal convoluted tubule |
| Carries the fluid from the cortex through the medulla. | Collecting duct |
| Ducts that empty their contents into a calyx. | Papillary duct |
| Nephrons (15%) with loops of Henle that extend deep into the medulla. | Juxtamedullary nephrons |
| Nephrons (85%) with loops of Henle that do not extend deep into the medulla. | Cortical nephrons |
| The enlarged end of the nephron that consists of a parietal and visceral layer. | Bowman's capsule |
| A tuft of capillaries that resembles a ball of yarn; lies within the indentation of Bowman's capsule. | Glomerulus |
| Specialized cells that form the inner (visceral) layer of Bowman's capsule. | Podocytes |
| Formed by glomerular capillaries, basement membrane, and podocytes of Bowman's capsule. | Filtration membrane |
| The fluid that passes across the filtration membrane into the Bowman's capsule. | Filtrate |
| Smooth muscle at the junction of the urinary bladder and urethra (males). | Internal urinary sphincter |
| Skeletal muscle that surrounds the urethra (males and females). | External urinary sphincter |
| A triangular area in the floor of the urinary bladder. | Trigone |
| The tissue lining the ureters and the urinary bladder. | Transitional epithelium |
| Branch off the abdominal aorta and enter the kidneys. | Renal arteries |
| Arteries that pass between the renal pyramids. | Interlobar arteries |
| Arteries that arch between the cortex and the medulla. | Arcuate arteries |
| Arteries that branch off the arcuate arteries and project into the cortex. | Interlobular arteries |
| Arise from branches of the interlobular arteries and extend to the glomerular capillaries. | Afferent arterioles |
| Vessels that extend from the glomerular capillaries. | Efferent arterioles |
| Capillaries that surround the proximal and distal convoluted tubules and the loops of Henle. | Peritubular capillaries |
| Specialized portions of the peritubular capillaries that extend deep into the medulla. | Vasa recta |
| Formed where the distal convoluted tubule comes in contact with the afferent arteriole next to the Bowman's capsule. | Juxtaglomerular apparatus |
| Exits the kidney, formed by the convergence of smaller veins. | Renal vein |
Created by:
Starwitness