Structure Flashcards
tough layer of dense irregular connective tissue covering kidneys called
renal capsule
renal capsule needs to be tough because
BP high in kidneys
each kidney is embedded in a mass of what
adipose tissue
indentation in kidney where BVs, Lymph Vs, nerves and Ureters enter and leave
Hilium
Internal structure of kidneys made up of functional units called
nephrons
2 distinct regions of internal structure
renal cortex - lighter
renal medulla - darker, composed of renal pyramids
apex of each renal pyramid called
renal papilla
blood delivered to kidneys via
renal arteries
blood leaves kidneys via
renal vein
all nephron structures consist of
1 layer of epithelium
two parts of nephron
renal corpuscle
renal tubule
what happens to blood in renal corpuscle
it’s filtered
what happens in renal tubule
filtered fluid collects
renal corpuscle consists of
glomerulus (capillary network) glomereular capsule (bowman's capsule)
renal tubule consists of 3 parts -
proximal convoluted tubule
loop of henle
distal convoluted tubule
where can you find the renal corpuscle and both convoluted tubules
in the renal cortex
where can you can you find the loop of henle
cortex and medulla
what are the ureters
tubes which convey urine from kidney sot bladder by peristaltic action
3 layers of tissue in ureters
inner mucous membrane
muscularis - 2 layers smooth muscle
adventitia - outer layer areolar connective tissue, contains BVs, Lymph Vs and nerves
what is bladder
a reservoir for urine
3 layers of tissue in bladder
inner layer - lamina propria
muscularis - *3 layers smooth muscle
adventitia
urine exits bladder via
internal urethral spinchter
desire to urinate occurs when the bladder contains
300-400ml
total bladder capacity is rarely more than
600ml
what is urethra
tube from bladder to exterior of body - discharges urine
two sphincters either end of urethra
internal & external urethral sphincter
urethra lined with
mucosa
