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Stack #39622
A&P2 Test 5 #3 of Urinary System-Bladder
| Question | Answer |
|---|---|
| Urinary bladder-movable structure: | held in place by folds of the peritoneum |
| Bladder shape depends on: | amt of urine at that moment |
| How bladder looks full? Empty? | Full-sperical; Empty-deflated balloon |
| TRIGONE is a | sm triangular area at base of bladder |
| The trigone is formed by the: | openings of urethral & ureters |
| RUGAE are caused: | bladder is empty and walls fold |
| Bladder position changes due to | filling; rises in abdominal cavity as fills |
| Four coats of bladder wall are: | mucosa, submucosa, muscularis, serous |
| MUCOSA is what layer? Has? | innermost layer; has transitional epithelium |
| Transitional epithelium is stretchable: | so this layer can regulate the inflation & deflation |
| SUBMUCOSA made of: Connects: | dense CT; connects mucosal to muscularis |
| DETRUSOR COAT is aka | MUSCULARIS LAYER |
| The muscularis-# layers what? | 3 layers of muscle tissue |
| the 3 layers of muscularis tissue: | longitudinal, circluar and longitudinal (sandwich) |
| circular fibers of muscularis form the | INTERNAL SPHINCTER muscle |
| EXTERNAL SPHINCTER is | directly below internal sphincter |
| External sphincter is made of: | skeletal muscle |
| What regulates micturation | stretch receptors & parasympathetic nerves; |
| MICTURITION is | voiding of urine |
| URETHRA is known as the | terminal muscle of urinary system |
| Urethra describe | sm, thin walled, muscular tube |
| Urethra extends from | urinary bladder to body exterior |
| Male Urethra serves a | dual function-urine&seman |
| Female Urethra function: | urinary; completely seperate |
| Female loc of urethra-postier to: | symphysis pubis, embedded in vaginal wall |
| Female length of urethra | 1-2 inches |
| Male length of urethra | 8 inches |
| Internal urethral sphincter-part of: | DETRUSOR MUSCLE (a circular muscle) of bladder |
| Functional unit of kidney is: | NEPHRON |
| Kidneys aka | Renal glands |
| Ad Renal | sits above kidney |
| Renal Vessels are | renal artery and veins |
| pyramids aka | renal pyramids or medullary pyramids |
| Stretch rectp.-sympathetic nerves: | affect the detrusor muscles & the internal sphincter |
| DETRUSOR MUSCLE: | surrounds the bladder neck at urethra junction |
| SEROUS COAT-Layer?Formed by? | outer; peritoneum (covers only superior surface of bladder) |
| # Nephrons in each kidney: | 1/2 to 1 million; |
Created by:
Jean and Study Pals