It is also interesting that many, perhaps most, patients with this condition also have skin allergies, eczema and/or asthma. The patient with moderate to severe icthyosis often has problems sweating due to the buildup of scales on the skin. The scales essentially seal the sweat glands.
For now, it is good to know the names. These names apply to all major and minor scales. 1  1st-Tonic. 2  2nd-Supertonic. 3  3rd-Mediant. 4  4th-Subdominant. 5  5th-Dominant. 6  6th-Submediant. 7  7th-Leading Tone.
This step shows the dominant 7th chord of the A minor scale. The A minor chord v7 is the E min 7 chord, and contains the notes E, G, B, and D. This dominant 7th chords root / starting note is the 5th note (or scale degree) of the A natural minor scale. The roman numeral for number 5 is 'v', and is used to indicate this is the 5th chord in the scale.