Anatomy - Urinary
Substances found in normal urine
95% urine, urea, uric acid, amino acids, electrolytes
What blood vessel leads to the corpuscle?
Afferent Arteriole
The kidneys is a reddish brown _____ shaped organ
Bean
Kidneys regulate _______ by secreting _____
Blood pressure, Renin
The renal pelvis is subdivided into two tubes called the major and minor
Calyx
The kidneys are enclosed in a tough fibrous
Capsule
The kidneys function to regulate volume, ______, and pH of body fluids
Composition
A kidney contains about one million nephrons, each of which consists of a renal _____ and a renal ______
Corpuscle, Tubule
The _____ muscle contracts when you pee while the external urethral sphincter relaxes
Detrusor
What blood vessel takes blood away from the corpuscle?
Efferent Arteriole
Which urethral sphincter is voluntary
External
The urethra has two sphincters called the
External and Internal urethral sphincters
The _____ ______ _______ is composed of skeletal muscle and is under conscious control.
External urethral sphincter
Three processes in formation of urine
Filtration, Tubular reabsorption, and tubular secretion
What two structures make up the renal corpuscle?
Glomerulus, and Glomerular Capsule
Smooth muscle cells on the afferent arteriole
Juxtaglomerular
The urinary system consists of two ________ that filter the blood
Kidneys
The epithelial cells of the distal tubule form the
Macula Densa
Kidneys remove _______ wastes from the blood
Metabolic
The wall of the ureter is composed of three layers, what are they?
Mucous coat, Muscular coat, Fibrous capsule
The urethra is a tube that conveys urine from the urinary bladder to the
Outside
The urinary bladdar is a hollow, distensible organ lying in the ___ cavity
Pelvic
Inside in this space lies a funnel shaped sac called the renal
Pelvis
Muscular _______ waves move urine
Peristaltic
The kidneys are position behind the membrane called the
Peritoneum
3 Sections of the renal tubule
Proximal convoluted tubule, nephron loop, distal convoluted tubule
Kidneys help control the rate of _____ formation by secreting ________
RBC, Erythropoietin
Functions of the glomerulus and glomerular capsule
Receives the filtrate
A medial depression in the kidney leads to a hollow renal ____ into which blood vessels, nerves, lymphatic vessels, and the ureter enter
Sinus
Stretching of the urinary bladder triggers a reflex in your
Spinal cord
The internal floor of the bladder includes the triangular shaped _____
Trigone
The urinary system consists of two ________
Ureters
The urinary system consists of one ________
Urethra
Voluntary sphincter in the bladder
Urethral sphincter
The urinary system consists of one ________ _______
Urinary Bladder
Peristaltic waves move urine to the _____ where is passes through a flap
Urinary bladder
The ureters are muscular tubes extending from the kidneys to the base of the
Urinary bladder
When your urinal contractions become strong enough, the _______ sphincter is forced open
internal urethral