Somatic sense and Tactual sensation

Somatic sense noun - The faculty of bodily perception; sensory systems associated with the body; includes skin senses and proprioception and the internal organs.

Tactual sensation and somatic sense are semantically related. In some cases you can replace phrase "Tactual sensation" with "Somatic sense", this phrases are similar.

Tactual sensation noun - The faculty of perceiving (via the skin) pressure or heat or pain.

Somatic sense and tactual sensation are semantically related. Sometimes you can use "Somatic sense" instead a noun phrase "Tactual sensation".