Deep tendon reflexes are normal if they are 1 + , 2 + , or 3 + unless they are asymmetric or there is a dramatic difference between the arms and the legs.
A river mouth or stream mouth is a part of a stream where it flows into another stream, river, lake, reservoir, sea, or ocean. At the mouth of a river a delta can form causing sediment pileup. A river can flow into a lake, sea or into an ocean. 1  Confluence. 2  River delta. 3  Estuary. 4  Liman.
An estuary is an area where a freshwater river or stream meets the ocean. In estuaries, the salty ocean mixes with a freshwater river, resulting in brackish water. Brackish water is somewhat salty, but not as salty as the ocean. An estuary may also be called a bay, lagoon, sound, or slough. Water continually circulates into and out of an estuary.