Anatomy - Head And Neck

Front 1

Layers of the Scalp

Back 1

Skin
Connective Tissue
Aponeuroses (galea aponeurotica)
Loose connective tissue layer
Periosteum of cranial bones

Front 2

Neurocranium

Back 2

consists of the brain

Front 3

Viscerocranium

Back 3

includes the facial skeleton and facial bones

Front 4

Calvaria

Back 4

the skull cap or flat bones of the skull

Front 5

Coronal Suture

Back 5

lies between frontal and parietal bones

Front 6

Saggital Suture

Back 6

lies between the parietal bones

Front 7

Squamosal Suture

Back 7

between temporal and parietal bones

Front 8

Lambdoid Suture

Back 8

between the parietal and occipital bones

Front 9

Occipitomastoid Suture

Back 9

between the occipital and temporal bones

Front 10

Bregma

Back 10

sagittal and coronal sutures

Front 11

Lambda

Back 11

sagittal and lambdoid sutures

Front 12

Pterion

Back 12

sphenoparietal suture

Front 13

Asterion

Back 13

lambdoid, occipitomastoid, parietomastoid

Front 14

Anterior cranial fossa

Back 14

frontal and ethmoid bones

Front 15

Middle cranial fossa

Back 15

temporal and sphenoid bones

Front 16

Posterior cranial fossa

Back 16

occipital and temporal bones

Front 17

Orbit

Back 17

contains an eyeball and extraocular eye muscles

Front 18

Middle and inner ear cavities

Back 18

contain the ear ossicles and neuroreceptor organs

Front 19

Supraorbital foramen

Back 19

supraorbital nerve and artery

Front 20

Infraorbital foramen

Back 20

infraorbital nerve and artery

Front 21

Mental foramen

Back 21

mental nerve (inferior alveolar nerve)

Front 22

Superior orbital fissure

Back 22

ophthalmic nerve (CN V1) oculomotor nerve (CN III), trochlear nerve (CN IV), abducens nerve (CN VI)

Front 23

Inferior orbital fissure

Back 23

maxillary division of trigeminal nerve (CN V2)

Front 24

Optic canal

Back 24

optic nerve (CN II), ophthalmic artery

Front 25

External acoustic meatus

Back 25

auditory canal

Front 26

Foramen ovale

Back 26

V3, accessory meningeal artery

Front 27

Foramen spinosum

Back 27

middle meningeal artery

Front 28

Stylomastoid foramen

Back 28

facial nerve (CN VII)

Front 29

Jugular foramen

Back 29

CN IX, CN X, CN XI, sigmoid sinus

Front 30

Hypoglossal foramen

Back 30

hypoglossal nerve (CN XII)

Front 31

Foramen magnum

Back 31

medulla oblongata, vertebral arteries, spinal roots of CN XI

Front 32

Cribriform plate of the ethmoid bone

Back 32

axons of olfactory nerves

Front 33

Foramen rotundum

Back 33

maxillary nerve (CN V2)

Front 34

Internal acoustic meatus

Back 34

CN VII, CN VIII

Front 35

Frontal region

Back 35

forehead

Front 36

Orbital region

Back 36

eye socket

Front 37

Infraorbital region

Back 37

Cheek

Front 38

Nasal region

Back 38

Nares, nostrils, nose

Front 39

Oral region

Back 39

Lips and mouth

Front 40

Mental region

Back 40

Chin

Front 41

Parotid region

Back 41

angle of jaw

Front 42

Auricular region

Back 42

ear

Front 43

Temporal region

Back 43

Temple

Front 44

Occipital region

Back 44

back of head

Front 45

divisions of the trigeminal nerve

Back 45

Ophthalmic (CN V1)
Maxillary division (CN V2)
Mandibular division (CN V3)

Front 46

Ophthalmic division ( CN V1 )

Back 46

supplies the eyeball, supraorbital region (forehead, frontal sinus pain), and the scalp.

Front 47

Maxillary division (CN V2 )

Back 47

supplies the infraorbital region, including the lower eyelid, lateral nasal area and the upper lip.

Front 48

Mandibular division (CN V3)

Back 48

supplies the skin of the lower lip and chin by the mental nerve

Front 49

Orbicularis oculi muscle

Back 49

closes the eyelid

Front 50

Buccinator muscle

Back 50

compresses cheeks and lips against the teeth

Front 51

Platysma muscle

Back 51

depresses the mandible

Front 52

Orbicularis oris muscle

Back 52

purses the lips

Front 53

Zygomaticus major and minor muscles

Back 53

separate the lips

Front 54

temporalis muscle

Back 54

extends from the temporal fossa and inserts in the coronoid process of the mandible
-closes the jaw

Front 55

masseter muscle

Back 55

extends from the zygomatic arch to the angle of the mandible and closes the jaw.

Front 56

lateral pterygoid muscle

Back 56

extends from the lateral pterygoid plate to the articular disc of the TMJ and pulls mandible forward.

Front 57

medial pterygoid muscle

Back 57

extends from the lateral pterygoid plate to the angle of the mandible and elevates the mandible.

Front 58

four infrahyoid muscles

Back 58

include the sternohyoid, sternothyroid, thyrohyoid, and superior belly of omohyoid muscle and are supplied by cervical nerves

Front 59

sternohyoid and thyrohyoid muscles

Back 59

depress the hyoid bone

Front 60

sternothyroid muscle

Back 60

depresses the larynx

Front 61

The superior and inferior belly of the omohyoid muscle

Back 61

depresses the hyoid bone

Front 62

boundaries of the anterior cervical triangle

Back 62

Midline plane (anterior)
Lower border of the mandible (superior)
Anterior border of the sternocleidomastoid muscle (posterior)