Class 7

Question 1

What is the cranium

Answer 1

Part of skull that contains brain (often used interchangeably with skull – consists of frontal, occipital, sphenoid, ethmoid, temporal & parietal bones

Question 2

What is the Calvaria?

Answer 2

Dome-like superior portion of cranium

Question 3

What are facial skeleton (facial bones)?

Answer 3

Bones that make up face

Question 4

What is a suture?

Answer 4

Line of union in immobile articulation

Question 5

What is the mandible?

Answer 5

• U-shaped bone
• forms skeleton of the lower jaw & inferior part of face

Question 6

What are the landmarks of the mandible?

Answer 6

• coronoid process
• mandibular notch
• head (condyle)
• neck
• ramus
• angle (of mandible)
• body (of mandible)
• base (of mandible)
• mental foramen
• mental protuberance
• lingula
• mandibular foramen
• mandibular canal
• digastric fossa
• mylohyoid line
• pterygoid tuberosity (roughened area on inner aspect of angle of mandible)

Question 7

What are the landmarks of the frontal bone of the mandible?

Answer 7

• superciliary arch (ridge where your eyebrows are)
• glabella
• supraorbital foramen
• orbital surface – frontal bone forms the roof of eye sockets

Question 8

What is the superciliary arch?

Answer 8

Ridge where your eyebrows are

Question 9

What is the orbital surface?

Answer 9

Frontal bone forms roof of eye sockets

Question 10

What are the landmarks of the parietal bones?

Answer 10

• superior temporal line
• inferior temporal line

Question 11

What are the landmarks of the temporal bones?

Answer 11

• zygomatic process
• articular tubercle
• mastoid process
• temporal fossa
• styloid process (of temporal bone)
• mandibular fossa
• external acoustic meatus
• temporal bone houses structures related to hearing & balance
• within temporal bone is tympanic cavity which houses 3 ossicles (bones of middle ear) called malleus, incus, stapes – help in transmission of sound

Question 12

Temporal bone houses structures related to _____________ and _______________.

Answer 12

hearing and balance

Question 13

Within temporal bone is _____________ cavity which houses 3 ossicles (bones of middle ear) called _________________________ – they help in _________________________.

Answer 13

• tympanic
• malleus, incus, stapes
• transmission of sound

Question 14

Incus = ____________

Answer 14

Anvil

Question 15

Malleus = ____________

Answer 15

Hammer

Question 16

Stapes = _____________

Answer 16

Stirrup

Question 17

What are the landmarks of the sphenoid bone?

Answer 17

• wedge-shaped bone anterior to temporal bones
• body
• greater wings
• lesser wings
• sella turcica (Turkish saddle)- houses pituitary gland
• pterygoid process – there is medial plate & lateral plate

Question 18

What is the sella turcica (Turkish saddle)?

Answer 18

Houses pituitary gland

Question 19

pterygoid process – there is a _______________ and ________________.

Answer 19

medial plate and lateral plate