Urinary System Quizlet Anatomy

Sympathetic postganglionic fibers from celiac plexus and inferior splanchnic and sympathetic stimulation at the nephron. The urinary system is tasked with removing liquid waste from the blood in the form of urine and produce erythropoietin a hormone that aids the formation of red blood cells.

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Urinary system quizlet anatomy. This tube moves the urine into the urinary bladder by peristalsis. Mucosa muscularis adventitia. Contraction opening of internal sphincter.

Chapter 25 urinary system. Anatomy quiz of the urinary system. Excitation of parasympahtetic neurons in reflex center in sacral region of spinal cord.

Responsible for secreting organic acids such as creatinine and other bases into the filtrate. Adjusts rate of urine formation by changing blood flow and pressure. External urethral sphnicter the innervation to the kidney has no known effect.

Inferior voluntary sphnicter controlled by somatic nerves. Slcc anatomy ch 27. Signals are sent along the sensory neurons to the cerebral cortex and to the micturition center in pons.

Anatomy of the urinary system the urinary system consists of two kidneys two ureters a urinary bladder and a urethra. This is a tube about 10 to 12 inches long that extends from the pelvis of the kidney. Connects the kidney to the bladder.

Function of removal of metabolic wastes from the blood and excretion to the outside of the body. Micturition center sends nervous signals that cause contraction of the bladder and relaxation. Contractor of the detruster muscle.

The kidneys alone perform the functions just described and manufacture urine in the process while the other organs of the urinary system provide temporary storage reservoirs for urine or serve as transportation channels to carry it from one body region to another. Human anatomy urinary system anatomy. In the kidney the connecting tubule cnt or junctional tubul the renal cortex is the outer portion of the kidney between th the distal convoluted tubule dct is a portion of kidney neph bowmans capsule a cup like sac at the beginning of the tubular component of a collecting tubule in the kidney the connecting tubule cnt.

This is what is trained with children. Proximal convoluted tubule of kidneys histology 400x b. Stretch receptors are activated in the bladdder wall when the volume of urine reaches 200 to 300 ml.

Distension of bladder activates stretch receptors. Regulation of rbc production blood pressure calcium ion absorption and the ph volume and composition of blood. Inhibition of somatic pathways to external sphincter allowing its relaxation opening.

Regulates the ph of the filtrate by exchanging hydrogen ions in the interstitium for bicarbonate ions in the filtrate.

Urinary System