The start point is usually (90% of the time) a purine. It is common for the start point to be the central base in the sequence CAT, but the conservation of this triplet is not great enough to regard it as an obligatory signal.

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. 

TLS Online TPP Program

#Id: 1151

#Unit 7. System Physiology – Animal

Glomerular filtration barrier is selective in determining which molecules will filter, based on their,

1. Size 

2. Electrical charge