For example, in a woman with a 21-day cycle, the follicular phase is likely seven days; in a woman with a 35-day cycle, the follicular phase is likely twenty-one days. (Note: It is possible for a luteal phase defect to shorten the length of the menstrual cycle â this will be discussed in a future article on Phase II.
The diatonic scales. The diatonic scale is most familiar as the major scale or the natural minor scale (or aeolian mode). The diatonic scale is a very important scale. Out of all the possible seven note scales it has the highest number of consonant intervals, and the greatest number of major and minor triads.he diatonic scale is a very important scale. Out of all the possible seven note scales it has the highest number of consonant intervals, and the greatest number of major and minor triads.
n (music) a series of notes differing in pitch according to a specific scheme (usually within an octave) the entire scale of musical notes. a scale with eight notes in an octave; all but two are separated by whole tones. a 12-note scale including all the semitones of the octave. a musical scale with fewer than seven notes. a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted. any of various fixed orders of the various diatonic notes within an octave.