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 medial processes then form the septum, the philtrum, and the premaxilla of the nose; the lateral processes form the sides of the nose; and the mouth forms from the stomodeum (the anterior ectodermal portion of the alimentary tract), which is inferior to the nasal complex.