Somatic sensory system and Tactual sensation

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

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

Somatic sensory system and tactual sensation are semantically related. You can use "Somatic sensory system" instead a noun phrase "Tactual sensation".