The midbrain comprises the tectum, tegmentum, the cerebral aqueduct, and the cerebral peduncles, as well as several nuclei and fasciculi. Caudally the midbrain adjoins the metencephalon (afterbrain) (pons and cerebellum); while rostrally it adjoins the diencephalon (thalamus, hypothalamus, etc.) Specifically, the midbrain consists of: Tectum
table (plural tables) 1  Furniture with a top surface to accommodate a variety of uses. 2  A two-dimensional presentation of data. ( 3 music) The top of a stringed instrument, particularly a member of the violin family: the side of the instrument against which the strings vibrate.
Plural is an English term for explaining more than 1. For example. Cat is singular Cats is plural. House is singular. Houses is plural.