A year of study is two semesters of study in the same or related subject area. In general, the course is about 50 minutes per day, five days a week, for two semesters. However, local school districts determine the actual organization of instructional time depending on their master schedule.
Medical Definition of middle meatus. : a curved anteroposterior passage in each nasal cavity that is situated below the middle nasal concha and extends along the entire superior border of the inferior nasal conchaâcompare inferior meatus, superior meatus.
The middle of the three bones of the middle ear. inÂ·cus. Middle of the three ossicles in the middle ear; has a body and two limbs or processes; at tip of long crus is a small knob, the lenticular process, which articulates with head of the stapes. Synonym(s): anvil. the middle of the three ossicles of the ear; called also anvil. See also Table 10.