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urinary system ![click to hear : urinary system click to hear : urinary system](../../images/speaker-vert.gif)
Eliminates the organism’s waste through secretion and evacuation of urine; it also regulates the quantity of water and salt in the body.
suprarenal gland ![click to hear : suprarenal gland click to hear : suprarenal gland](../../images/speaker-vert.gif)
Organ situated atop the kidney, not part of the urinary system; it secretes various hormones of the steroid and adrenal families.
celiac trunk ![click to hear : celiac trunk click to hear : celiac trunk](../../images/speaker-vert.gif)
Large branch of the descending aorta dividing into three arteries that flow to various abdominal organs (stomach, gallbladder, liver, pancreas).
cortex ![click to hear : cortex click to hear : cortex](../../images/speaker-vert.gif)
Outer portion of the renal tissue inserted between the Malpighian pyramids; it is made up of small vesicles that filter the blood and produce urine.
left kidney ![click to hear : left kidney click to hear : left kidney](../../images/speaker-vert.gif)
Organ located beneath the gallbladder; it filters the blood and secretes urine to eliminate toxic substances and waste from the body.
medulla ![click to hear : medulla click to hear : medulla](../../images/speaker-vert.gif)
Inner part of the renal tissue made up of Malpighian pyramids, cone-shaped structures that connect the urine collection canals.
renal papilla ![click to hear : renal papilla click to hear : renal papilla](../../images/speaker-vert.gif)
Crest of the Malpighian pyramid (cone-shaped striated structure) made of urine collection canals; it opens into the calyx.
calyx ![click to hear : calyx click to hear : calyx](../../images/speaker-vert.gif)
Excretory cavity of the kidney; it collects urine flowing from the papillae and opens into the renal pelvis.
renal pelvis ![click to hear : renal pelvis click to hear : renal pelvis](../../images/speaker-vert.gif)
Broad section of the excretory renal tract resulting from the juncture of the calyxes; it extends into the ureter.
renal vein ![click to hear : renal vein click to hear : renal vein](../../images/speaker-vert.gif)
Large vein collecting blood from the kidney; it flows into the inferior vena cava.
renal artery ![click to hear : renal artery click to hear : renal artery](../../images/speaker-vert.gif)
Branch of the abdominal aorta circulating blood to the kidney.
superior mesenteric artery ![click to hear : superior mesenteric artery click to hear : superior mesenteric artery](../../images/speaker-vert.gif)
Branch of the abdominal aorta that supplies blood to the ascending colon and half of the transverse colon.
inferior mesenteric artery ![click to hear : inferior mesenteric artery click to hear : inferior mesenteric artery](../../images/speaker-vert.gif)
Branch of the abdominal aorta circulating blood to the descending colon and half the transverse colon.
urethra ![click to hear : urethra click to hear : urethra](../../images/speaker-vert.gif)
Membranous canal enabling the evacuation of urine. In the male, it also allows sperm to pass.
urinary bladder ![click to hear : urinary bladder click to hear : urinary bladder](../../images/speaker-vert.gif)
Muscular reservoir where urine from the kidneys collects before being evacuated through the urethra.
internal iliac artery ![click to hear : internal iliac artery click to hear : internal iliac artery](../../images/speaker-vert.gif)
Branch of the common iliac artery flowing to the pelvis, the genital organs and the inner thigh.
common iliac vein ![click to hear : common iliac vein click to hear : common iliac vein](../../images/speaker-vert.gif)
Vein carrying blood from the lower limb back to the inferior vena cava.
common iliac artery ![click to hear : common iliac artery click to hear : common iliac artery](../../images/speaker-vert.gif)
Branch of the abdominal aorta that circulates blood to the pelvis and the lower limbs; it divides into the internal and external iliac arteries.
ureter ![click to hear : ureter click to hear : ureter](../../images/speaker-vert.gif)
Long muscular membranous canal extending from the renal pelvis; it carries urine from the kidney to the urinary bladder.
abdominal aorta ![click to hear : abdominal aorta click to hear : abdominal aorta](../../images/speaker-vert.gif)
Fourth segment of the aorta circulating to all the organs and to the walls of the abdomen; it branches into the common iliac arteries.
right kidney ![click to hear : right kidney click to hear : right kidney](../../images/speaker-vert.gif)
Organ located beneath the liver; it filters the blood and secretes urine to eliminate toxic substances and waste from the body.
renal hilus ![click to hear : renal hilus click to hear : renal hilus](../../images/speaker-vert.gif)
Opening of the inner edge of the kidney allowing the passage of blood vessels, nerves and the ureter.
inferior vena cava ![click to hear : inferior vena cava click to hear : inferior vena cava](../../images/speaker-vert.gif)
Vein carrying blood deoxygenated in the lower portion of the body (below the diaphragm) to the right atrium; it is the largest vein in the organism.