Chapter 7: Gross Anatomy of the Skeletal System

Question 1

how many bones are in the average human ?

Answer 1

206

Question 2

What covers the axial skeleton?

Answer 2

skull: 8 cranial & 14 facial, hyoid, vertebal column ; 26, ribs ( all 24) + cartilage sternum,

Question 3

what covers the appendicular skeleton?

Answer 3

clavicle, scapula, humerus, ulna, radius, hands , hip bones, femur, patella, tibia, tibia, fibula, feet

Question 4

what are the bone shapes ?

Answer 4

long, flat, short and irregular

Question 5

what is the term of the main part of the bone

Answer 5

body

Question 6

what is the term of the enlarged end of the bone

Answer 6

head

Question 7

what is the term of the construction between the head and body of the bone

Answer 7

neck

Question 8

what is the term of the edge of the bone

Answer 8

margin/border

Question 9

what is the term of the angle of the bone

Answer 9

bend

Question 10

what is the term of the part that branches off the body of the bone

Answer 10

ramus

Question 11

what is the term of the smooth rounded articular surface of the bone

Answer 11

condyle

Question 12

what is the term of the small flattened articular surface of the bone

Answer 12

facet

Question 12

what is a low ridge

Answer 12

linea

Question 12

what is the prominent ridge

Answer 12

crest/ crista

Question 12

what is the cavity of the bone

Answer 12

sinus ; labyrinth

Question 12

what is a tunnel of the bone

Answer 12

canal; meatus

Question 12

what is the prominent projection

Answer 12

process

Question 13

what is the very high ridge

Answer 13

spine

Question 13

what is a hole in a bone

Answer 13

foramen

Question 13

what is the cleft of the bone

Answer 13

fissure

Question 14

what is the knob of a projection

Answer 14

tubercle ; tuber

Question 15

what is the projection of the tuberosity on the proximal femur

Answer 15

trochanter

Question 16

what is the projection near/above the condyle ?

Answer 16

epicondyle

Question 17

what projection is flat, tongue-shaped

Answer 17

lingula

Question 18

what projection is hook shaped

Answer 18

hamulus

Question 19

what project is horn- shaped

Answer 19

horn

Question 20

what is the term for a general depression

Answer 20

fossa

Question 21

what is a depression in bone margin

Answer 21

notch

Question 22

what is a little pit

Answer 22

fovea

Question 23

what is a deeper, narrow depression

Answer 23

groove; sulcus

Question 24

how many bones are in the skull ?

Answer 24

22 bones + 6 ear bones

Question 25

superior view of the skull

Answer 25

• frontal
• coronal suture
• parietal
• sagittal suture
• occipital ; lambdoid suture

Question 26

posterior view of the skull

Answer 26

-sagittal suture
- parietal (orange)
- lambdoid suture
- temporal (yellow)
- occipitomastoid suture
- mastoid process
- zygomatic arch (green)
- occipital (blue)
- external occipital protuberance
- superior nuchal line
- inferior nuchal line
- occipital condyle
- mandible ( purple)

Question 27

lateral view of the skull

Answer 27

front :
- frontal ( red)
- supraorbital foramen ( eyebrow hole)
- supraorbital margin
- sphenoid ; greater wing ( darker purple)
- nasal ( turquoise)
- ethmoid ( tan, behind the lighter green)
- lacrimal ( light green)
- nasolacrimal canal ( before the lighter green)
- zygomatic ( green)
- coronoid process of mandible ( top the bone near your cheekbone) .
- maxilla ( yellow- orange)
- alveolar process ( gums)
- mental foramen ( chin hole)
- mandible ( purple )
- mental protuberance ( end of the chin)

Question 28

lateral view of the skull

Answer 28

” back”:
- coronal suture
- superior temporal line
- interior temporal line
- parietal bone (orange)
- squamous suture
- temporal ( yellow)
- squamous part of the temporal bone
- occipital ( blue)
- lambdoid suture
- mandibular condyle ( top of the bone near the ear)
- external acoustic meatus ( ear hole)
- occipitomastoid suture
- tympanic part of the temporal bone ( below the ear hole)
- mastoid process ( end of the temporal bone)
- styloid process ( end of the near the ear hold)

Question 29

anterior view of the skull

Answer 29

“left “:
- coronal suture
- glabella ( unibrow )
- supraorbital margin ( top part around the eye socket )
- frontal process of the maxilla ( nose bridge)
- nasal bone ( turquoise)
- infraorbital margin ( bottom part of the eye socket )
- zygomatic ( green); cheek bone
- perpendicular part of the ethmoid bone ; top of the septum
- vomer ; bottom of the septum
- maxilla (yellow-orange); top part of the mouth )
- alveolar process ( gums )
- body of the mandible ( the chin basically)
- mental foramen ( chin hole)

Question 30

anterior view of the skull

Answer 30

“right”
- frontal ( red)
- parietal ( orange)
- supraorbital foramen ( top eye socket hole)
- orbital plate of frontal bone ( back of the eye socket)
- optic canal ( eye tunnel)
- sphenoid ( darker purple )
- lacrimal ( light green)
- infraorbital foramen ( bottom eye socket hole)
- middle nasal concha ( top bone inside your nose )
- inferior nasal concha ( bottom bone inside your nose)
- anterior nasal spine ( skin below your nose )
- oblique line of mandible ( middle of your smile
- mandible ( purple) ; bottom part of your mouth
- mandibular symphysis ( middle of your chin)
- mental protuberance ( tip of your chin)

Question 31

floor/ bottom inside of your skull

Answer 31

“left”
- anterior cranial fossa ( frontal)
- lesser wing of the sphenoid bone ( top)
- greater wing of the sphenoid bone ( sides)
- foramen rotundum ( first hole)
- foramen ovale ( second hole)
- foramen spinosum ( third hole)
- middle cranial fossa ( temporal)
- internal acoustic meatus ( middle ear dent)
- foramen magnum ( bottom hole)
- parietal bone
- posterior cranial fossa ( occipital)

Question 32

floor/ bottom inside of your skull

Answer 32

“right”
- frontal sinuses ( top holes)
- frontal
- ethmoid ;
crista galli ( top)
cribriform plate ( bottom)
- optic canal ( top dent)
- Sella turcica ( middle indent)
- carotid canal ( top dent)
- temporal bone ( side)
- jugular foramen ( bottom hole)
- hypoglossal canal ( inner foramen side hole)
- occipital ( blue)

Question 33

interior view of the skull

Answer 33

“left”
- greater palatine foramen ( hole above the vomer)
-lesser palatine foramen ( hole below the greater)
-medial pterygoid plate ( first inside )
- lateral pterygoid plate ( second middle)
- greater wing

Question 34

interior view of the skull