Bones Of Skull

Question 1

Bones of calvarium

Answer 1

Cranial roof comprised of formal occipital and two parietal bones

Question 2

Bones of the cranial base

Answer 2

Cranial base comprised od six bones
Frontal , sphenoid , ethmoid , occipital, parietal and temporal
The articulated with atlas and facial bone and mandibula jaw

Question 3

Tempormondibular joint

Answer 3

Its only moveble joint in this whole

Question 4

Suture

Answer 4

Is an immobile joint bye adjacent bone of skull

Question 5

Frontal bone

Answer 5

Is shell shaped unpaired flat bone of skull located the forehead

Question 6

Frontal bones consist of six main parts

Answer 6

Squamous, nasal, two orbital, two zygomatic plates

Question 7

Metopic suture

Answer 7

Separate the two frontal bone and is the first skull sutur to close physiologically its disappear at 8 years

Question 8

Parietal bone

Answer 8

Are bilateral skull bone that form the superior and lateral walls of the cranium and slightly curved has quadrilateral shape

Question 9

Occipital bone

Answer 9

Is most posterior superior bone of meurocranim

Question 10

Hypoglossal canal

Answer 10

Containing the hypoglossal nerve is located at the bases of the occipital condyles

Question 11

Occipital condole and external occipital protuberance, foramen magnum

Answer 11

Formen magnum: where it’s connected the spinal cord
Occipital condyle articulate with superior articular facets on lateral masses of the atlas
Ext occipital protuberance: attachment for the trapezius muscle

Question 12

Temporal bone

Answer 12

Zygomatic: forms the posterior portion of the zygomatic arch
Squamous part ; bone articulated with the sphenoid anterior and partietal bone lateral
Tympanic part
Styloid process acts as attachment point for muscle and ligaments

Question 13

Sphenoid bone

Answer 13

Unpaired bone sits anterior in cranium and continues to the middle cranial fossa
It has multiple openings for blood and nerves

Question 14

Sphenoid consist of four part

Answer 14

Greater wing extend from the bone body in later superior and posterior direction
Lester wing separated the anterior cranial fossa from middle cranial fossa

Question 15

Ethmoid bone

Answer 15

Small unpaired bone locoted in the midline of anterior cranium
Consist of three the cribiform perorndicular ethmoidal labyrinth

Question 16

Maxilla

Answer 16

Is central paired bone if the viscerocranium
Bite two maxilla liea suture called intermaxillary

Question 17

Maxillary sinus

Answer 17

Largest paranasal sinus situted in the body of maxilla

Question 18

Mandibula jaw bone

Answer 18

Located inferior in the facial skeleton largest and strongest of of the face and its lower jaw is the only bone moveable in skull U SHAPE FOR THE ADULTS

Question 19

Norma occipitalis

Answer 19

Lambdoid sutur: btw post of parietal and anterior lateral of occipital
Parietomostied suture
Occipitomastoid sutur: separate mastoid parts of temptol from occipital posterior