Urinary system
➢ Ren
➢ Calyx renalis
➢ Ureter
➢ Vesica urinaria
➢ Urethra
http://www.plushbeds.com/blog/wp-
content/uploads/2013/04/urinary-system.jpg
Kidney (ren, nephros)
Capsula fibrosa
Capsula adiposa
Cortex:
- cortex corticis
- pars radiata corticis
- columnae renales
(Bertini)
Medulla:
- pyramides renales (10 – 18)
- papillae renales
- foramina papillaria in area
cribrosa
- medullary rays
http://diagramreview.com/human-kidney-anatomy/
distal tubule
proximal tubules
parietal layer of
Bowman’s capsule
urinary space
urinary pole
vascular pole
glomerulus
Fenestrated capillary of glomerulus - filtration barrier
Basal labyrinth
distal tubule capillary
thin segment of
Henle’s loop
thick segment of
Henle’s loop
Adipose tissue
Transitional
epithelium
artery
Calyx renalis (HE)
Ureter (HES)
Vesica urinaria (HE)
Vesica urinaria
transitional epithelium
Urethra feminina (HE)
Penis – pars spongiosa urethrae masculinae (HE)
Penis – pars spongiosa urethrae masculinae (HE)
Stratified columnar
epithelium
URINARY SYSTEM
Slides:
30. Ren (HE)
31. Ren (Weigert – van Gieson)
32. Calyx renalis (HE)
33. Ureter (HE)
34. Vesica urinaria (HE)
35. Urethra feminina (HE)
41. Penis – pars spongiosa urethrae
masculinae (HE)
Atlas EM: brush border (26)
basal labyrinth (27)
fenestrated capillary of glomerulus (57)
corpusculum renis with filtration barrier (69)
tubulus proximalis et distalis (70)
development of kidney (94)
19
Development of urinary system
21th – 28th day
(nonfunctional)
4th – 8th week
from 5th week
Primitive gut
Ureteric bud
Metanephrogenic
blastema
21
Neural tube
Bowman’s
capsule
gut
mesentery
Tubule of
mesonephros
x
metanephrogenic blastema
https://is.muni.cz/do/rect/el/estud/lf/ps15/atlas/web/atlas_en.htm
l?chapter=7&prep=2
Metanephrogenic
blastema
Collecting
tubule
Renal
corpuscle
Distal
tubule
Proximal
tubule
Loop of
Henle
Bowman’s
capsule
Loop of
Henle
Tubule of
nephron
Development of nephrons
Cloacal
membrane
Cloacal
membrane
cloaca
Vesica
urinaria
Septation of cloaca