7.4

Question 1

Tip link

Answer 1

An elastic filament that attaches
the tip of one cilium to the side of the
adjacent cilium

Question 2

Insertional plaque

Answer 2

The point of attachment of a tip link to a cilium

Question 3

Cochlear nerve

Answer 3

The branch of the auditory nerve that transmits auditory information from the cochlea to the brain.

Question 4

Olivocochlear bundle

Answer 4

A bundle of
efferent axons that travel from the olivary
complex of the medulla to the auditory
hair cells on the cochlea.

Question 5

Cochlear nucleus

Answer 5

One of a group
of nuclei in the medulla that receives
auditory information from the cochlea.

Question 6

Superior olivary complex

Answer 6

A group of
nuclei in the medulla; involved with auditory functions, including localization of
the source of sounds

Question 7

Lateral lemniscus

Answer 7

A band of fibers running rostrally through the medulla and pons; carries fibers of the auditory system

Question 8

Tonotopic representation

Answer 8

A topographically organized mapping
of different frequencies of sound that are
represented in a particular region of the
brain

Question 9

Core region

Answer 9

The primary auditory
cortex, located on a gyrus on the dorsal
surface of the temporal lobe.

Question 10

Belt region

Answer 10

The first level of auditory
association cortex; surrounds the primary
auditory cortex.

Question 11

Parabelt region

Answer 11

The second level of
auditory association cortex; surrounds the
belt region