Bones Of The Skull

Question 0

Foramen magnum

Answer 0

Allows passage of the spinal cord from the brainstem to the vertebral canal

Question 1

Supraorbital foramina (notches)

Answer 1

Allow the supraorbital arteries and nerves to pass

Question 2

Hypoglossal canals

Answer 2

Allows passage of the hypoglossal nerves

Question 3

Occipital condyles

Answer 3

Articulate with the atlas (first vertebra)

Question 4

External occipital protuberance and nucal lines

Answer 4

Sites of muscle attachment

Question 5

External occipital crest

Answer 5

Attachment site of ligamentum nuchae

Question 6

Zygomatic process

Answer 6

Helps to form the zygomatic arch, which forms the prominence of the cheek

Question 7

Mandibular fossa

Answer 7

Articulate point of the condylar process of the mandible

Question 8

External acoustic meatus

Answer 8

Canal leading from the external ear to the eardrum

Question 9

Styloid process

Answer 9

Attachment site for several neck muscles and for a ligament to the hyoid bone

Question 10

Mastoid process

Answer 10

Attachment site for several neck and tongue muscles

Question 11

Stylomastoid foramen

Answer 11

Allows cranial nerve (facial nerve) to pass

Question 12

Jugular foramen

Answer 12

Allows passage of the internal jugular vein and cranial nerves

Question 13

Carotid canal

Answer 13

Allows passage of the internal carotid artery

Question 14

Sella turcica

Answer 14

Hypophyseal fossa portion is the seat of the pituitary gland

Question 15

Optic canals

Answer 15

Allow passage if optic nerves and the ophthalmic arteries

Question 16

Superior orbital fissures

Answer 16

Allow passage of cranial nerves and ophthalmic vein

Question 17

Foramen rotundum

Answer 17

Allows passage of the maxillary division of cranial nerve

Question 18

Foramen ovale

Answer 18

Allows passage of the mandibular division of cranial nerve

Question 19

Foramen spinosum

Answer 19

Allows passage of the middle meningeal artery

Question 20

Crista galli

Answer 20

Attachment point for the falx, cerebri, a ideal membrane fold

Question 21

Cribriform plates

Answer 21

Allow passage of filaments of the olfactory nerves

Question 22

Superior and middle nasal conchae

Answer 22

Form part of lateral walls of nasal cavity; increase turbulence of air flow

Question 23

Coronoid process

Answer 23

Insertion points for the temporalis muscles

Question 24

Condylar processes

Answer 24

Articulate with the temporal bones in the temporal mandibular joints of the jaw

Question 25

Mandibular symphysis

Answer 25

Medial fusion point of the mandibular bones

Question 26

Dental alveoli

Answer 26

Sockets for the teeth

Question 27

Mandibular foramina

Answer 27

Permits the inferior alveolar nerves to pass

Question 28

Mental foramina

Answer 28

Allow blood vessels and nerves to pass to the chin and lower lip

Question 29

Zygomatic process

Answer 29

Help form the zygomatic arches

Question 30

Palatine processes

Answer 30

Form the anterior hard palate; meet medially in intermaxillary suture

Question 31

Frontal process

Answer 31

Forms part of lateral aspects of bridge of nose

Question 32

Incisive fossa

Answer 32

Permits blood vessels and nerves to pass through anterior hard palate

Question 33

Inferior orbital fissure

Answer 33

Permits maxillary branch of cranial nerve , the zygomatic nerve, and blood vessels to pass

Question 34

Infraorbital foramen

Answer 34

Allows passage of Infraorbital nerve to skin of face

Question 35

Lacrimal fossa

Answer 35

Houses the lacrimal sac, which helps to drain tears into the nasal cavity

Question 36

Median palatine suture

Answer 36

Medial fusion point of the horizontal plates of the palatine bones, which from the posterior part of the hard palate