Comb shapes in chickens

9/16 walnut (R- P-)

3/16 rose (R- pp)

3/16 pea (rr P-)

1/16 single (rr pp)

TLS Online TPP Program

#Id: 1145

#Unit 7. System Physiology – Animal

Three cellular layers separate the blood from the glomerular filtrate in Bowman’s capsule: 

1. capillary endothelium

2. basement membrane

3. epithelium of the capsule

TLS Online TPP Program

#Id: 1146

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 1147

#Unit 7. System Physiology – Animal

The endothelium of the glomerular capillaries is completely surrounded by the glomerular basement membrane along with specialized cells called podocytes.

TLS Online TPP Program

#Id: 1148

#Unit 7. System Physiology – Animal

Podocytes have numerous pseudopodia that interdigitate to form filtration slits along the capillary wall.

TLS Online TPP Program

#Id: 1149

#Unit 7. System Physiology – Animal

Stellate cells (mesangial cells )

Located between the basal lamina and the endothelium

They are similar to pericytes

TLS Online TPP Program

#Id: 1150

#Unit 7. System Physiology – Animal

Mesangial cells are contractile and play a role in the regulation of glomerular filtration.