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Definition
Filters Blood, and Produces Urine.
Receives blood from Renal Arteries and drains into Renal Veins
Excretes urine into ureter
Produce hormones including calcitriol, renin, and erythropoietin. |
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| outer portion of the kidney between the renal capsule and the renal medulla.forms a continuous smooth outer zone with a number of projections that extend down between the pyramids. It contains the renal corpuscles and the renal tubules and veins |
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| tough fibrous layer surrounding the kidney and covered in a thick layer of perinephric adipose tissue. |
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innermost part of the kidney.
Contains nephrons, pyramids, arcuate arterioles, interlobular arterioles and many other structures |
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| 7-18 in one kidney they are cone-shaped tissues of the kidney formed by straight parallel segments of nephrons. |
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| is a medullary extension of the renal cortex in between the renal pyramids. It allows the cortex to be better anchored. |
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| surrounds the apex of the malpighian pyramids, urine passes urine from the minor calyx to the renal pelvis |
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| surrounds the apex of the malpighian pyramids. Passes urine from the papilla at the apex to the major calyx |
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| funnel-like dilated proximal part of the ureter in the kidney |
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Nephron
(Functions and Facts) |
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Definition
Basic structural and functional unit of the kidney.
a normal kidney contains 800,000 to 1.5 million nephrons.
Regulates concentration and soluble substances by filtering blood and reabsorbing what is needed and extracts the rest as urine
Eliminates waste from the body, regulates volume of blood, regulates blood pressure, controls levels of electrolytes metabolites, and PH. |
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Nephron
(Structures and Location) |
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Definition
Renal Corpuscle composed of a glomerulus and the Bowman's capsule, initial filtering component. The renal tubule contains tubular fluid that is filtered through the glomerulus.
Cortical nephrons-in the superficial renal cortex
Juxtamedullary nephrons- near the renal medulla. |
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| organ that collects urine excreted by the kidneys; Urine enters the bladder via the ureters and exits via the urethra. |
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| ridges produced by folding of the wall of the bladder |
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Tubes that propel urine from the kidneys to the urinary bladder.
Common site for Kidney Stones |
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| tube that connects the urinary bladder to the genitals for removal out of the body |
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Definition
preprostatic-intramural part of the urethra
Prostatic- crosses through the prostate gland. There are several openings; (1) ejaculatory duct receives sperm from the vas deferens. (2) prostatic ducts where fluid from the prostate enters. (3) the prostatic utricle, which is an indentation
Membranous- Narrowest part, 1-2 inches long
Spongy- runs along the length of the penis |
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