the note indicated by the first leger line above the bass staff and the first below the treble staff.
(music) the note graphically represented on the first ledger line below the treble staff or the first ledger line above the bass staff and corresponding in pitch to an internationally standardized fundamental frequency of 261.63 hertz
- Middle cardiac vein
middle cardiac vein n. A vein that begins at the apex of the heart and passes through the posterior interventricular sulcus to the coronary sinus.
- Middle cerebellar peduncle
middle cerebellar peduncle n. The largest of the three paired peduncles, composed mainly of fibers that originate from the pontine nuclei, cross the midline in the basilar part of the pons, and emerge on the opposite side as a massive bundle arching dorsally along the lateral side of the pontine tegmentum into the cerebellum.
- Middle cerebral vein
middle cerebral vein n.
- Middle cervical cardiac nerve
middle cervical cardiac nerve n. A bundle of fibers running downward from the middle cervical ganglion of the sympathetic trunk to join the cardiac plexus.