Lecture 6 (The Skull and New born skeleton)

Question 1

Axial Skeleton

Answer 1

The midline structures

Skull, vertebral column and thorax

Question 2

Petrous Bone

Answer 2

The ear canal
Rock like
Opening in the temporal bones that allow for sound to enter bone
Impossible to fracture
houses the 6 auditiory bones (Malleus, incus, stapes)

Question 3

Mastoid process Sinus infection

Answer 3

Develop a sinus infection from and ear infection

Question 4

Styloid Process

Answer 4

Several muscles of the neck are attached her

Question 5

Sella turica

Answer 5

Saddle from turkey

Question 6

Maxillary Sinus

Answer 6

Can be exposed when teeth are extracted, of the upper teeth

Question 7

Atlas (C1)

Answer 7

Fused to the ocipital bone in front of the foramen magnum

Question 8

Proper sound production

Answer 8

How the tongue strikes the maxillary bones,

Cleft palate will create inproper sound production

Question 9

Nose Job

Answer 9

Changing the nasal bone, can become larger if you change the bone
changing cartilage will not change the bone

Question 10

Cleft

Answer 10

Gap,
cleft lip = Skin
Cleft palate = the bones, creates gap to the nose,
1 in 700 births = USA
Third world far more common
Environmental factors, water, contaminated water and hygiene

Question 11

Nasal Septum

Answer 11

Top is the ethmoid bone
Volmer is the bottom
sepal cartilage attaches to these bones
Trouble breathing break the septum and realign deviated septum = crocked septum

Question 12

Orbit

Answer 12

Eye socket
Lacrimial ducts = “tear”
Dry tears = early in the morning crusty

Question 13

TMJ

Answer 13

Can dislocate
Can move the jaw foward,
Blow to the jaw can pop this out
Yawning too wide can do this
Have to pop the jaw back in place quickly
swelling in the joint, more than an hour = impossible to put jaw back in place till swelling goes down

Question 14

Jaw line

Answer 14

In teeth loos, jaw line moves forward, chin protruding further and further

Question 15

Sutrual Bones

Answer 15

Are just extra bones that form around sutures

Question 16

Floor of the orbit

Answer 16

The maxillary bone
Critical part
very thin
You will shatter this if you have a blow to the face = “blow out fracture”
Eyeball will fall into the sinus of the maxillary

Question 17

Pubery and skull bones

Answer 17

Skull bones will change during release of hormones

Question 18

Fontanels

Answer 18

2 years all disappear

Poor nutrition or poor hormone lvls may prolonge the closing

Question 19

Sutures

Answer 19

With age will be gone = more bone?

Sutures may allow flexibility, gone = more fractures?