ZOO 200
Sensory (Eye and Ear) Lab Objectives
Identify these cow eye structures:
- sclera
- lens
- cornea
- choroid
- aqueous humor (will leak out with your first cut)
- ciliary body
- iris
- pupil
- retina,
- vitreous body (aka vitreous humor)
Large Eyeball Model
1 Superior rectus
2 Tendon of superior oblique
4 Medial rectus
5 Lateral Rectus
6 Cornea
10 Choroid layer
16 Dura mater
18 Pia mater
19 Optic nerve (cranial nerve II)
21 Inferior oblique
22 Lens
23 Canal of Schlemm
24 Ciliary body
27 Retina
30 Sclera
31 Optic disk aka blind spot
36 Macula with fovea at its center
44 Orbital adipose tissue
45 Iris
46 Pupil
1 Cornea
2 Sclera
3 Iris with pupil
17 Lacrimal sac
18 Optic nerve (cranial nerve II)
19 Optic chiasm
20 Zygomatic bone
21 Maxilla
23 Nasal bone
24 Frontal bone
25 Frontal sinus
33 Trochlea
34 Lacrimal bone
I Superior rectus
IV Lateral rectus
V Superior oblique
Va Tendon of the superior oblique
VI Inferior oblique
2 Superior tarsal plate (support for upper eyelid)
3 Inferior tarsal plate (support for lower eyelid)
9 Lacrimal gland
9c Excretory lacrimal ducts
10 Lacrimal sac
11 Lacrimal canals (ducts)
11c Lacrimal caruncle
12 Sclera
13 Iris
14 Pupil
16 Levator palpabrae superioris
1 Pinna aka auricle
2 External acoustic meatus
3 Tympanic membrane aka eardrum
5 Tympanic (aka middle ear) cavity
6 Tensor tympani muscle
7 Auditory canal aka eustachian tube
8 Malleus (attached to tympanic membrane)
9 Incus
11 Stapes (inserted into oval window)
12 Vestibule
14 Round window
15 Semicircular canals
18 Cochlea
19 Vestibulocochlear nerve (cranial nerve VIII)
20 Internal carotid artery (traveling though the carotid canal)
22 Styloid process of temporal bone
23 Petrous portion of temporal bone
