Human anatomy 2041 Urinary

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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.


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