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Proventus
Calyces
Medulla
Cortex
Nephrons
Interlobular Artery
Efferent Arterioles
Arcuate Artery
Afferent Arteriole
Glomerulus
A tangled system of capillaries
formed by the afferent arteriole
oozes a filtrate fluid.
Collected by the Bowman’s capsule.
the filtrate then leaves the capsule and enters the proximal convoluted tubule.
Detrusor muscle
Submucosa
Rugae
Ureteral opening
Mucosa
Trigone
Fibrous connective tissue
Internal urethral orifice
Prostrate gland (male)
External urethral orifice
Urinary bladder -
The bladder swells into a round shape as it is filled. If the urinary system is healthy, the average adult bladder holds about 2 cups of urine for 2 to 5 hours.
The bladder's main function is to store and release urine.
Nerves in the bladder indicate when it is time to empty the bladder). As the bladder slowly fills with urine the sensation to urinate becomes stronger and stronger as the bladder continues to fill and reaches its limit. At that point, nerves from the bladder send a message to the brain that the bladder is full, and the urge to empty the bladder intensifies.
As the bladder is being emptied the brain signals the bladder muscles to tighten, squeezing urine out of the bladder.
Bowman’s Capsule
Aorta
Renal Artery
Renal Vein
Renal Pelvis
Ureteropelvic
Junction (UPJ)
Ureter
The Kidney
Vena Cava
To The
Heart
From The
Heart
A normal human kidney contains between 800,000 to 1 million nephron's
Arcuate Vein
Loop of Henle
Collecting Duct
Proximal
Convoluted
Tubule
Peritubular
Capillary
Interlobular
Vein
