Key Terms DOSS

Question 1

The portion of the ear located within the temporal bone that includes the semicircular canals, vestibule, and cochlea. It is responsible for hearing and balance

Answer 1

Inner ear

Question 2

a thickened portion of ectoderm which serves as the precursor to the lens

Answer 2

Lens placode

Question 3

a structure of the vertebrate forebrain involved in olfaction, the perception of odors

Answer 3

Olfactory bulb

Question 4

During embryonic development of the eye, the outer wall of the bulb of the optic vesicles becomes thickened and invaginated, and the bulb is thus converted into a cup

Answer 4

Optic cup

Question 5

A progressively deepening groove in the neural plate from which the optic vesicles will develop

Answer 5

Optic sulcus

Question 6

the organ in the inner ear found only in mammals that contains auditory sensory cells, or “hair cells.”

Answer 6

Organ of corti

Question 7

contain the receptors for taste.They are located around the small structures on the upper surface of the tongue, soft palate, upper esophagus and epiglottis, which are called papillae

Answer 7

Taste buds

Question 8

contributes to balance in most mammals and to the sense of spatial orienta;on, is the sensory system that provides the leading contribution about movement and sense of balance

Answer 8

Vestibular system

Question 9

Inability to smell; the inability to perceive odors.

Answer 9

Anosmia