TEMPORAL BONES

Question 1

Forms part of the lateral walls and base of the
skull.

Answer 1

TEMPORAL BONES (2)

Question 2

Each temporal bone consist of a flat or
________ above the ear, _______ behind the ear and a _______
that forms part of the base of the skull.

Answer 2

squamous part ,
mastoid portion
petrous part

Question 3

is a slender bony process
that extends forward from the squamous part
to meet a similar process of the Zygomatic
bone forming the “Zygomatic Arch”

Answer 3

Zygomatic Process

Question 4

is a large rounded bony
prominence extending down behind the ear.

Answer 4

Mastoid Process

Question 5

are small cavities in the
mastoid process and adjacent part that
communicate with the middle ear

Answer 5

Mastoid Air Cells

Question 6

Infection in the
middle ear may
spread into these
cells

Answer 6

• Mastoiditis.

Question 7

is shaped like a pyramid that
extend from the ear medially and forward in the
base of the skull.

Answer 7

Petrous Part

Question 8

It’s inner end is pointed and contains the
organ of hearing.

Answer 8

Petrous Part

Question 9

– is a sharp pointed process
that extends down from the base of the petrous
part which is seen in lateral view of the skull
outlined behind the mandible.

Answer 9

Styloid Process

Question 10

a
tube-like passage extending
into the Petrous part of the
temporal bone.

Answer 10

External Auditory Meatus

Question 11

lies in the middle or inner part
of the petrous, medial to the
middle ear.

Answer 11

Internal Auditory Meatus

Question 12

lies in the petrous part and is the
organ of hearing.

Answer 12

Internal Ear

Question 13

a depression on
the temporal bone in
front of the EAM.

Answer 13

Mandibular or Articular
Fossa –

Question 14

With the capitulum of the
mandible, it forms the

Answer 14

TMJ/Temporo Mandibular Joints