Smooth muscle contraction is regulated by the cycling of myosin II between on and off states.

     OR

Smooth muscle contraction is regulated by myosin regulatory light chain associated with the myosin II neck domain.

TLS Online TPP Program

#Id: 1254

#Unit 7. System Physiology – Animal

The major action of ADH on principal cells in the late distal tubule and collecting duct

TLS Online TPP Program

#Id: 1255

#Unit 7. System Physiology – Animal

The receptor for ADH on the principal cells is V2 receptor, which is coupled via a Galpha s protein.

TLS Online TPP Program

#Id: 1256

#Unit 7. System Physiology – Animal

ADH directs the insertion of water channels, AQP2

TLS Online TPP Program

#Id: 1257

#Unit 7. System Physiology – Animal

ADH (Vasopressin) contraction of vascular smooth muscle

TLS Online TPP Program

#Id: 1258

#Unit 7. System Physiology – Animal

The receptor for ADH on vascular smooth muscle V1 receptor, which is coupled via a Galpha q protein.

TLS Online TPP Program

#Id: 1259

#Unit 7. System Physiology – Animal

Central diabetes insipidus – No ADH Nephrogenic diabetes insipidus - principal cells are unresponsive to ADH