Bones of the Skull and Bone Features

Question 1

forms the forehead and roof of the orbits

Answer 1

Frontal bone

Question 2

is an openingthatabove each orbit thatworks as apassageway for nerves and blood vesselstoand from the eyebrows andeyelids

Answer 2

Supraorbital foramen

Question 3

air-filledinternal chambers thatwillconnect with the nasalcavity…this area includes _______ which makes the bone lighter and produces mucus that cleans and moistens the nasal cavities.

Answer 3

the frontal sinuses

Question 4

an opening for a major sensory nerve from the face.

Answer 4

Infraorbital foramen

Question 5

Onboth sides of the skull.
Is posterior to the frontal bone.
Form the roofandsuperior walls of the cranium.

Answer 5

Parietal bones

Question 6

Parietal bones interlock along the

Answer 6

Sagittal suture

Question 7

Both parietal bonesarticulatewiththe frontal bonealong the

Answer 7

Coronal suture

Question 8

Forms theposterior andinferior portionsof the cranium

Answer 8

Occipital bones

Question 9

Along thesuperior margin the occipital bonecontacts twoparietalbones at the

Answer 9

Lambdoid suture

Question 10

The __________ connects thecranial cavity to the spinal cavity

Answer 10

foramen magnum

Question 11

The _______ are on either side of theforamenmagnum andare the sites ofarticulationwith the skull and vertebral column.

Answer 11

Occipital condyles

Question 12

Below the parietalbones andcontributingto the sidesand baseof the cranium.

Answer 12

Temporal bones

Question 13

Contact theparietalbonesalongthe

Answer 13

Squamous suture

Question 14

Feature of the temporal bone that leads to thetympanum (eardrum).

Answer 14

External acoustic canal

Question 15

Feature of the temporal bone that is a transverse depression which marksthepoint ofarticulation with the lowerjaw (mandible).

Answer 15

Mandibular fossa

Question 16

This feature of the temporal bone is a prominentbulgeposteriorand inferior tothe entranceto the externalacousticcanal.Provides a sitefor attachmentof muscles that rotate or extend the head.

Answer 16

Mastoid process

Question 17

This temporal bone feature is next to the base of themastoid process. Long and sharp.Attached to ligaments thatsupport the hyoid bone and anchorsmuscles associatedwith thetongue and pharynx.

Answer 17

Styloid process

Question 18

Formspart of thefloor of the cranium.
Actslike a bridgeunitingthe cranial andfacial bones.
Braces the sides of the skull.
Looks like a giant bat with wings extended

Answer 18

Sphenoid bone

Question 19

The sphenoid bone contains a pair of sinuses called the

Answer 19

Sphenoidal sinuses

Question 20

The lateral “wings” of the sphenoidextendto either sidefrom a central depression called the ______.This structureencloses the pituitary gland.

Answer 20

Sella turcica

Question 21

Anteriorto the sphenoid bone.
Consists oftwohoneycombedmasses of bone.
Formspart of the cranial floor, contributes tothe medial surfaces of theeye orbits, and forms the roof and sides of the nasal cavities.

Answer 21

Ethmoid bone

Question 22

This feature of the ethmoid bone is a prominentridge that projects above the superior surface of the ethmoid.

Answer 22

Crista galli

Question 23

This feature of the ethmoid bone permits passage of the olfactorynerves(smell).

Answer 23

Cribriform plate

Question 24

These ethmoid features are projectionsthat extend into thenasal cavitytoward the nasal septum, which dividesthe nasalcavity into left and right portions.The conchaeslow andbreak up airflowthrough the nasal cavity.

Answer 24

Superior andMiddlenasalconchae

Question 25

This ethmoid feature extends inferiorly from the crista galli and passing between the conchae.

Answer 25

Perpendicular plate

Question 26

Referred to as the maxillae Articulate with all other facial bones except the mandible. Forms the:  floor and medial portion of the rim of the orbitals  walls of the nasal cavity  the anterior roof of the mouth (hard palate).

Answer 26

Maxillary bones

Question 27

Large and lighten the bones above the embedded teeth.

Answer 27

Maxillary sinuses

Question 28

Form the posterior surface of the bony palate (roof of the mouth). Superior surfaces contribute to the floor of the nasal cavity Superior tip forms part of the floor of the orbitals.

Answer 28

Palatine bones

Question 29

Inferior margin articulates with the paired palatine bones. | Supports a prominent partition that forms part of the nasal septum (divides the nostrils)along with the ethmoid bone.

Answer 29

The Vomer

Question 30

On each side of the skull. | Articulates with the frontal bone and the maxilla to complete the lateral wall of the orbit.

Answer 30

Zygomatic bones

Question 31

Along its lateral margin there is a slender bony extension that curve laterally and posteriorly to meet a process from the temporal bone. Together they will form the ________________ (cheekbone). 

Answer 31

Zygomatic arch

Question 32

Located within the orbits and its medial surface.Articulates with the frontal, ethmoid, and maxillary bones. 

Answer 32

Lacrimal bones

Question 33

Paired Project from the lateral walls of the nasal cavity.  Shape helps airflow and deflects arriving air toward the olfactory (smell) receptors.

Answer 33

Inferior nasal conchae

Question 34

Includes bones that form the superior and lateral walls of the nasal cavities. Sinuses drain into them

Answer 34

Nasal complex

Question 35

separates the left and right sides of the nasal cavity

Answer 35

Nasal septum

Question 36

reduces weight of the skull. Help protect the respiratory system. Connected to the nasal cavities and lined by mucous membranes. 

Answer 36

Paranasal sinuses

Question 37

Bone of the lower jaw. | Horizontal curve with vertical processes at either side

Answer 37

Mandible

Question 38

posterior. Curved surface articulates with the mandibular fossa of the temporal bone. Very mobile.

Answer 38

Condylar process

Question 39

anterior. The attachment point for the temporalis muscle (closes the jaw).

Answer 39

Coronoid process

Question 40

U-shaped Suspended below the skull Ligaments extend from the styloid processes of the temporal bones to the lesser horns. Serves as a base for muscles associated with the larynx (voicebox), tongue, and pharynx. Supports and stabilizes the position of the larynx.

Answer 40

Hyoid bone

Question 41

Any projection or bump

Answer 41

Process

Question 42

An extension of a bone making an angle with the rest of the structure

Answer 42

Ramus

Question 43

A large, rough projection

Answer 43

Trochanter

Question 44

A smaller, rough projection

Answer 44

Tuberosity

Question 45

A small, rounded projection

Answer 45

Tubercle

Question 46

A prominent ridge

Answer 46

Crest

Question 47

A low ridge

Answer 47

Line

Question 48

A pointed process

Answer 48

Spine

Question 49

The expanded articular end of an epiphysis, separated from the shaft by a neck

Answer 49

Head

Question 50

A narrow connection between the epiphysis and the diaphysis

Answer 50

Neck

Question 51

A smooth, rounded articular process

Answer 51

Condyle

Question 52

A smooth, grooved articular process shaped like a pulley

Answer 52

Trochlea

Question 53

A small, flat articular surface

Answer 53

Facet

Question 54

A shallow depression

Answer 54

Fossa

Question 55

A narrow groove

Answer 55

Sulcus

Question 56

A rounded passageway for blood vessels or nerves

Answer 56

Foramen

Question 57

A passageway through the substance of a bone

Answer 57

Canal

Question 58

An elongate celft

Answer 58

Fissure

Question 59

A chamber within a bone, normally filled with air

Answer 59

Sinus