A stimulus from a sensory cell or another neuron depolarizes the target neuron to its threshold potential (-55 mV), and Na channels in the axon hillock open, starting an action potential. Once the sodium channels open, the neuron completely depolarizes to a membrane potential of about +40 mV.
Lake Lyndon B. Johnson (more commonly referred to as Lake LBJ and originally named Lake Granite Shoals) is a reservoir on the Colorado River in the Texas Hill Country in the United States. The reservoir was formed in 1950 by the construction of Granite Shoals Dam by the Lower Colorado River Authority.he lake was originally called Lake Granite Shoals. The dam would be renamed Wirtz Dam in 1952 for Alvin J. Wirtz, the first general counsel of the LCRA, and the lake was renamed to Lake Lyndon B. Johnson in 1965 in honor of US President Lyndon Baines Johnson.
Loda is located at 40Â°30â²59â³N 88Â°4â²26â³W / 40.51639Â°N 88.07389Â°W / 40.51639; -88.07389 (40.516400, -88.073975). According to the 2010 census, the village has a total area of 1.46 square miles (3.8 km2), of which 1.45 square miles (3.8 km2) (or 99.32%) is land and 0.01 square miles (0.026 km2) (or 0.68%) is water. Bayles Lake is a freshwater reservoir located near Loda. As of the census of 2000, there were 419 people, 166 households, and 111 families residing in the village. The population density was 289.4 people per square mile (111.6/kmÂ²). There were 183 housing units at an average density of 126.4 per square mile (48.7/kmÂ²).