Anatomy-Eye, Oral Cavity

Front 1

Back 1

trochlear nerve

Front 2

Back 2

frontal nerve

Front 3

Back 3

supratrochlear nerve

Front 4

Back 4

supraorbital nerve

Front 5

Back 5

levator palpebrae superioris muscle

Front 6

Back 6

superior rectus muscle

Front 7

Back 7

lacrimal nerve

Front 8

Back 8

ophthalmic artery

Front 9

Back 9

internal carotid artery

Front 10

Back 10

levator palpebrae superioris muscle

Front 11

Back 11

superior rectus muscle

Front 12

Back 12

superior oblique muscle

Front 13

Back 13

trochlear nerve

Front 14

[nearest tip of right probe]

Back 14

nasociliary nerve

This nerve can be found running obliquely toward the medial wall of the orbit, passing between the superior oblique muscle and the medial rectus muscle.

Front 15

[tip of right probe]

Back 15

ophthalmic artery

which travels with the nasociliary nerve, crosses the optic nerve superiorly, and gives branches within the orbit.

Front 16

Back 16

oculomotor nerve (CN III)

Front 17

Back 17

ciliary ganglion

which is suspended from the branches of the ophthalmic nerve. The ciliary ganglion is a parasympathetic ganglion.

Front 18

Back 18

medial rectus muscle

Front 19

Back 19

inferior division of the oculomotor nerve

Observe that the medial rectus muscle is innervated by the inferior division of the oculomotor nerve

Front 20

Back 20

inferior rectus muscle

Front 21

Back 21

Trochlea

Front 22

Back 22

palatoglossus muscle

Front 23

Back 23

palatopharyngeus muscle

Front 24

Back 24

mylohyoid muscle

Front 25

Back 25

geniohyoid muscle

Front 26

Back 26

anterior belly of the digastric muscle

Front 27

Back 27

circumvallate papillae

Front 28

Back 28

lingual tonsils

Front 29

Back 29

lingual nerve

Front 30

Back 30

glossopharyngeal nerve

Front 31

Back 31

hyoglossus muscle

Front 32

Back 32

submandibular duct

Front 33

Back 33

lingual nerve

Front 34

Back 34

lingual nerve

Front 35

Back 35

hypoglossal nerve (CN XII)

Front 36

Back 36

hyoglossus muscle

Front 37

Back 37

hypoglossal nerve (CN XII)

as it passes lateral to the hyoglossus muscle and deep to the mylohyoid muscle.

Front 38

Back 38

stylohyoid muscle

Front 39

Back 39

stylohyoid m.

Front 40

[indicated by the probe; posterior edge of hyoglossus muscle held by forceps]

Back 40

lingual artery

as it arises from the external carotid artery (Figure 34.3). The lingual artery [cross-section] passes anteriorly on the medial (deep) surface of the hyoglossus muscle .

Front 41

Back 41

Uvula