Bio-201 L Lab 6: Introduction to the Axial
Skeleton
axial skeleton - correct answers The portion of the skeleton that supports and protects the head, neck,
and trunk
Axial Skeleton
Skull - 22 bones 8 cranial bones 1 front 1 occipital 1 sphenoid 1 ethmoid 2 parietal 2 temporal 14 facial
bones 2 maxilla 2 palatine 2 zygomatic 2 lacrimal 2 nasal 1 vomer 2 inferior nasal concha 1 mandible
Middle ear bones - 6 bones 2 malleus 2 incus 2 stapes
Hyoid - 1 bone 1 hyoid bone
Vertebral column - 26 bones 12 thoracic vertebra 7 cervical vertebra 5 lumbar vertebra 1 sacrum 1
coccyx
Thoracic cage - 25 bones 24 ribs 1 sternum
appendicular skeleton - correct answers The portion of the skeleton that attaches to the axial skeleton
and has the limbs attached to it
Pectoral girdle - 4 bones 2 scapula 2 clavicle
Upper limbs - 60 bones 2 humerus 2 radius 2 ulna 16 carpal 10 metacarpal 28 phalanx
Pelvic girdle - 2 bones 2 hip bones
Lower limbs - 60 bones 2 femur 2 tibia 2 fibula 2 patella 14 tarsal 10 metatarsal 28 phalanx
frontal bone of skull - correct answers forehead bone; protects cranium
parietal bone of skull - correct answers flat bone on side of head
occipital bone (skull) - correct answers back of skull, base of cranium
foramen magnum - correct answers A large opening at the base of the skull through which the brain
connects to the spinal cord.
occipital condyles - correct answers Rounded projections lateral to the foramen magnum that articulate
with the first cervical vertebra (atlas)
external occipital protuberance - correct answers Bump in the back of the head on occipital bone
Skeleton
axial skeleton - correct answers The portion of the skeleton that supports and protects the head, neck,
and trunk
Axial Skeleton
Skull - 22 bones 8 cranial bones 1 front 1 occipital 1 sphenoid 1 ethmoid 2 parietal 2 temporal 14 facial
bones 2 maxilla 2 palatine 2 zygomatic 2 lacrimal 2 nasal 1 vomer 2 inferior nasal concha 1 mandible
Middle ear bones - 6 bones 2 malleus 2 incus 2 stapes
Hyoid - 1 bone 1 hyoid bone
Vertebral column - 26 bones 12 thoracic vertebra 7 cervical vertebra 5 lumbar vertebra 1 sacrum 1
coccyx
Thoracic cage - 25 bones 24 ribs 1 sternum
appendicular skeleton - correct answers The portion of the skeleton that attaches to the axial skeleton
and has the limbs attached to it
Pectoral girdle - 4 bones 2 scapula 2 clavicle
Upper limbs - 60 bones 2 humerus 2 radius 2 ulna 16 carpal 10 metacarpal 28 phalanx
Pelvic girdle - 2 bones 2 hip bones
Lower limbs - 60 bones 2 femur 2 tibia 2 fibula 2 patella 14 tarsal 10 metatarsal 28 phalanx
frontal bone of skull - correct answers forehead bone; protects cranium
parietal bone of skull - correct answers flat bone on side of head
occipital bone (skull) - correct answers back of skull, base of cranium
foramen magnum - correct answers A large opening at the base of the skull through which the brain
connects to the spinal cord.
occipital condyles - correct answers Rounded projections lateral to the foramen magnum that articulate
with the first cervical vertebra (atlas)
external occipital protuberance - correct answers Bump in the back of the head on occipital bone
