Eyes, Ears, and Tail Lecture

Question 1

What makes up the external ear?

Answer 1

Auricular catilage
Anular cartilage
Scutiform cartilage
External acoustic meatus

Question 2

What makes up the middle ear?

Answer 2

Tympanic cavity (in tympanic bulla)
Auditory ossicles (malleus, incus, stapes)

Question 3

What makes up the inner ear?

Answer 3

Membranous and osseous labyrinths ft cochlea (hearing)
Utriculus and sacculus (special enlargements)
Semicircular canals (balance, acceleration, proprioception)

Question 4

What makes up auditory ossicles?

Answer 4

Stapes
Incus
Malleus

Question 5

What produces aqueous layer of tears?

Answer 5

Lacrimal gland and superficial gland of 3rd eyelid

Question 6

Whar are the layers of the eye?

Answer 6

Fibrous tunic

Vascular tunic

Nervous tunic

Question 7

What makes up the fibrous tunic of the eye?

Answer 7

Cornea and sclera which meet at the corneoscleral junction or limbus

Question 8

What makes up the vascular tunic

Answer 8

Choroid
Iris
Ciliary body

Question 9

What makes up the nervous tunic

Answer 9

Retina

Question 10

Where is aqueous humor made and drained?

Answer 10

Anterior and posterior chamber

Question 11

Overproduction of aqueous humor

Answer 11

Glaucoma

Question 12

Trace flow of aqueous humor

Answer 12

Ciliary body

Posterior chamber

Iris

Anterior chamber

Anterior chamber angle (iridocorneal angle)

Scleral venous plexus