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/
Kidney (ren), (HE)
Renal corpuscles
Distal tubule
Proximal tubulesParietal layer of
Bowman’s capsule
Urinary space
Urinary pole
Vascular pole
Filtration barrier
Basal labyrinth
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)
Stratified squamous
epithelium
Venous plexus in lamina
propria mucosae
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: basal labyrinth (49)
21
Development of urinary system
21th – 28th day
(nonfunctional)
4th – 8th week
from 5th week
Primitive gut
Ureteric bud
Metanephrogenic
blastema
23
Neural tube
Bowman’s
capsule
gut
mesentery
Tubule of
mesonephros
Metanephrogenic blastema
Metanephrogenic
blastema
Collecting
tubule
Renal
corpuscle
Distal
tubule
Proximal
tubule
Loop of
Henle
Bowman’s
capsule
Loop of
Henle
Tubule of
nephron
Cloacal
membrane
Cloacal
membrane
cloaca
Vesica
urinaria