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39 Cards in this Set

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Renal Capsule
thin layer of dense connective tissue, maintain kidney shape, form barrier that inhibits spread of infection for surrounding areas
Adipose Capsule
External to renal, consists of perirenal fat(cusions kidneys and holds them in place)
Cortex
tissue on outside edges, light in color and granular in appearance
Renal Columns
inward extension of cortex between pyramids
Medulla
deeper, darker than cortex
Medullary Pyramids
Cone shaped capsules within medulla, contain parallel bundles of urine collecting tubules
Papilla
apex of pyramid that points internally
Renal Lobe
1 pyramid + cortical tissue around pyramid, 5-11 lobes and pyramids per kidney
Hilus
where vessles, uterus and nerves enter and leave the kidney, cleft on medial concave surface
Renal Pelvis
Flat, funnel shaped tube, expanded superior part of uterer
Minor calyx
2 or 3 branches of renal pelvis
Major Calyx
Multiple branches from majo, cup shaped and hold papilla of pyramids
Renal Sinus
Large space within medial part of kidney opening to exterior thru renal hilus. Contains renal vessels and nerves, some fat and urine carrying tubes
Uriniferous Tubules
Nephron and collecting tubule
Renal Capsule
Spherical place where filtration occur only in cortex
Glomerulus
Tuft of capillaries, seperates urine out of blood. Site of filtration
Glomerular Capsule
Surrounds glomerulus, cup shaped
Capsular Space
interio of GS
Proximal Convulated Tubule
Confined to cortex, most active in reabsorption and secretion, cubodial epithelaial cells, microvilli increase surface area
Descending Limb
Continuous with proximal tubule
Distal Convulated Tubule
Confined to cortex, specialized secretion/reabsorption of ions, simple cubodial epithelium
Collecting Tubule
Recieves urine from many nephrons and runs straight through cortex into medulla, conserve body fluid, join to form papillary ducts in pyramid
Urine
Corpuscle - Proximal Convulated Tubule - Loop of Hanle - Distal Convulated Tubule - Collecting Tubule - Papilla - Major Calyx - Minor Calyx - Renal Pelvis - Ureter
Uterers
Slender tubes carrying urine from kidneys to bladder. Peristalic waves -- contracting waves to poush urine to bladder
Bladder
Collapsible muscle that stores and expels urine
Detrusor Muscle
Smooth muscle layer, senses when bladder is getting full, involntary contraction squeezes urine out during micturation
Trigone
Openings for uterers and urethra, triangular region on posterior wall
Urethal Openings
Urine enters at oblique angle to pevent back flow of urine
Urethra
thin walled tube that drains urine from bladder and of body
Internal Urethral Sphincter
Thick layer of detrusal muscle forms at bladder/uretha junction, involuntray smooth muscle, keeps urethra closed when not urinating
External Urethral Orfice
Small opening that lies anterior to vaginal opening and posterior to clitoris
Arteries
Aorta-renal-segmental-lobar-interlobar-arcuate-interlobular-afferent-glomerlus-effernt-vasa recta-
Veins
vasa recta-interlobular-arcute-interlobar-renal-inferior vena cava
Renal Plexus
network of automatic fibers and ganglia on renal arteries. Nerve supply to kidney
Endocrine System
Endocrine organs secrete hormones, which are signaling molecules tha travel in the bloodstream and bind to receptors at particulars places in the body. Endocrine organs are ductless and have a rich blood supply. Control of hormone secretion is done by blood-borne molecules(hurmonal) neural impulses(neural) and other hormones(hormonal)
Posterior Pituitary (neurohypophysis)
Base of brain, posterior half of pituatary gland. Recieves signals vai direct neural connection from hypothalamus
Antidiuretic Hormone (ADH)
Increase permeability of collecting ducts in kidney, decreases water excretion
Oxytocin
responsible for feelings of attachment, smooth muscle contraction of uterus, assists location
Anterior Pituitary (adenohypophysis)
base of brain, posterior half of pituitray gland. recieves signals through "hypophyseal portalsystem" of vessles from hypothalamus