Human anatomy 2041 Urinary
85% of nephrons are described by this term that relates to their location in the kidney.
cortical
Contraction of this muscle forces urine from the bladder.
detrusor
Knot of capillaries that directs blood into the efferent arteriole.
glomerulus
The left renal vein ________ the right renal vein.
is longer than
Excretory organs involved with filtration of body fluids and the elimination of nitrogenous wastes.
kidneys
Cup-shaped tubes that enclose the papillae of the pyramids.
minor calyx
Which of the following is found exclusively in the renal medulla?
nephron loop of juxtamedullary nephrons
These are the functional units of the kidney and are responsible for the formation of urine.
nephrons
If you looked closely at the tip of a renal papilla with a hand lens, the hundreds of little openings you would see on its surface are
openings of papillary ducts.
Which of the following structures is most numerous within a kidney?
renal corpuscles
When Melinda was asked to identify a "mystery" slide on a histology test, she immediately identified it as renal cortex because of the presence of scattered
renal corpuscles.
The most superficial layer of the kidney is the
renal cortex
The medial concave cleft in which vessels, ureters, and nerves enter/leave the kidney.
renal hilum
Urine passes through the
renal pelvis to the ureter to the bladder to the urethra.
Before it enters the ureter, urine collects in the
renal pelvis.
The descriptive term for the location of the kidneys relative to the peritoneal cavity.
retroperitoneal
The longest of the three parts of the male urethra is the
spongy urethra.
If this muscular tube were to become blocked, urine could not be expelled to the outside of the body.
urethra
When we wish to examine the urine to determine a patient's health, we perform this test.
urinalysis
This is a muscular, baglike structure that stores urine.
urinary bladder
The system that eliminates nitrogenous wastes, excess water, salts, and excess ions from the body.
urinary system
Ladderlike looping blood vessels within the medulla.
vasa recta
Why are urinary tract infections more common in females than in males?
In females the urethra is shorter than in males.