Skull anatomy 1

Question 1

SKULL MORPHOLOGY
1. AVERAGE HEAD: __ CM PARIETAL EMINENCE
19 CM FRONTAL INION
____ CM CHIN VERTEX

Answer 1

MESOPHALIC: 15, 23

Question 2

MESOPHALIC HEAD TEMPORAL BASE OR PETROUS PYRAMID FORMS AN ANGLE OF __ DEGREES TO __ DEGREES TO MSP

Answer 2

45 TO 47

Question 3

• Short from front to back
• Broad from side to side
• Shallow from vertex to
  base
• Petrous pyramid forms
  an angle greater than
  47° (approximately 54°)
  to the MSP.
• The width is 80% or
  greater than the length

Answer 3

BRACHYCEPHALIC

Question 4

• Head is long from front to
  back
• Narrow from side to side
• Deep from vertex to base.
• Petrous pyramid form
  an angle less than 47°
  (approximately 40°) to
  the MSP
• The width is less than
  75% of the length.

Answer 4

DOLICOCEPHALIC

Question 5

Provides structure shape and support the face. Protective housing for upper ends of Respiratory and Digestive tracts

Answer 5

Facial bones / viscerocranium

Question 6

Protect organ of sight

Answer 6

Orbital socket

Question 7

8 Cranial ( 4 calvaria )/ cap bones: FOP

4 Floor: EST

Answer 7

Frontal
Occipital
Left and Right Parietal
Ethmoid
Sphenoid
Left and right Temporal

Question 8

Smallest bone in skull. Responsible for tear duct

Answer 8

Lacrimal

Question 9

Tear duct passes

Answer 9

Lacrimal foramen

Question 10

Largest immovable of face . Articulates all facial bone except ___

Answer 10

Maxillary; Mandible

Question 11

Midpoint prominence of anterior nasal spine

Answer 11

Acanthion

Question 12

Support the roots of teeth

Answer 12

Infraorbital foramen alveolar process

Question 13

L shaped bones

Answer 13

Palatine

Question 14

14 Facial Bones

Answer 14

2 Zygoma
2 palatine
2 Lacrimal
2 maxillae
2 nasal bones
2 inferior nasal conchae
Mandible
Vomer

Question 15

Antrum of Highmore; biggest immovable

Answer 15

Maxillary

Question 16

Jawbone; biggest movable

Answer 16

Mandible

Question 17

Triangular bone separates Nasal

Answer 17

Vomer

Question 18

Turbinate

Answer 18

Inferior nasal conchae

Question 19

7 ORBITAL BONES: FEZPALAMAS

Answer 19

Frontal
Ethmoid
Zygomatic
2 Palatine
2 Lacrimal
2 Maxillae
Sphenoid

Question 20

Where pituitary gland rest

Answer 20

Hypophyseal fossa

Question 21

Turkish saddle. Best view in lateral projection. Has 3 other terms

Answer 21

Hypophyseal fossa
Posterior clinoid process
Dorsum sellae

SELLA TURCICA

Question 22

Fibrous joints that join cranium and face

Answer 22

Sutures

Question 23

Suture Bet. Parietal and frontal bones

Answer 23

Coronal

Question 24

Suture Bet. 2 parietals

Answer 24

Sagittal

Question 25

Suture bet. Temporal and parietals

Answer 25

Squamosal

Question 26

Suture bet. Occipital and parietal

Answer 26

Lamboidal

Question 27

Junction of lamboidal and Sagittal sutures

Answer 27

Lambda

Question 28

junction of coronal and sagittal suture

Answer 28

Bregma

Question 29

junction of parietal occipital and temporal bones mercedez bens point

Answer 29

Asterion

Question 29

junction of parietal temporal and sphenoid bone

Answer 29

Pterion

Question 30

converge of temporal line with coronal suture

Answer 30

Stephanion

Question 31

Point in Sagittarius suture b/n 2 parietal foramina

Answer 31

Obelion

Question 32

Newborn infant bones .

Answer 32

Fontanels

Question 33

Cranium developer rapidly at 5-6 yrs old and gradually at

Answer 33

12 yrs old

Question 34

6 areas of incomplete ossification

Answer 34

Anterior fontanel @ bregma and 2 mastoid fontanel @ asterism close 2 yrs old Posterior fontanel at lambda and 2 sphenoidal fontanel At pterion close 1st and 3rd mos old