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85 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Axial skeleton |
Function: support, framework, blood formation
Skull, vertebral column, thoracic cage |
Function and what it’s composed of |
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Appendicular skeleton |
Function: movement of body
Pectoral girdle: holds upper limbs in place
Pelvic girdle: holds lower limbs in place |
Function and two types of girdlehow many bones in skull? |
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How many bones in skull? |
22 |
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Cranial bones |
Surround and enclose the brain
Composed of some frontal bone, parietal bone, parts of occipital |
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Base of cranium composed of? |
Portion of ethmoid, sphenoid, occipital, and temporal bones |
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Facial bones form what? |
Facial forms the face and protects entrance to digestive and respiratory systems |
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How many facial bones and what are they? |
14
Paired zygomatic, lacrimal, nasal, inferior nasal conchae, palatine bones, maxillae, unpaired vomer, mandible |
8 |
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Maxillae forms what? |
Maxillae forms upper jaw |
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Nasal septum |
Thin ridge of bone dividing nasal cavity into left and right halves |
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Inferior nasal conchae |
Two bones on walls of nasal cavity |
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Superior view: shows 4 cranial bones
Coronal suture and Sagittal suture |
Frontal bone, both parietal bones, occipital bone
Coronal: between frontal and parietal
Sagittal: connects left and right parietal |
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Superior view: parietal foramen |
Passage of small veins between brain and scalp |
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Posterior view: external occipital protuberance |
Prominence on posterior aspect of skull |
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Jugular foramen |
Opening between temporal and occipital bones |
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Foramen lacerum |
Between occipital and temporal bones |
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Carotid canal |
Internal carotid artery passageway |
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Inferior view: stylomastoid, foramen magnum |
stylomastoid: facial nerve extending thru here Foramen magnum: spinal cord enters cranial cavity |
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What houses the pituitary gland? |
Sells turcica which is a bony depression on sphenoid |
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Cranial fossae |
3 curved depressions on cranial cavity floor
Houses loves of brain
Anterior, middle, and posterior cranial fossae |
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Superior and inferior Michael lines |
Intersect external occipital protuberance |
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What does lateral view show? |
Parietal bone, temporal bone, zygomatic bone |
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Lateral view: superior and inferior temporal lines |
Arc across surface of parietal and frontal bones |
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Lateral view: zygomatic arch |
Fused portion of temporal process of the zygomatic bone and zygomatic process of the temporal bone |
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Lateral view: different parts and processes |
Squamous part Tympanic part External acoustic meatus Mastoid process Styloid process |
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Cranial cavity: formed from what? |
Frontal, parietal, temporal, occipital, ethmoid, sphenoid bones |
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Inferior view: what forms the pterygoid process? |
Medical and lateral pterygoid plates of sphenoid bone |
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Inferior view: choanae |
Internal openings of nasal cavity medically adjacent |
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Inferior view consist of what? |
Jugular foramen Foramen lacerum Carotid canal |
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Posterior view: external occipital protuberance |
Prominence on posterior aspect of skull |
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Jugular foramen |
Opening between temporal and occipital bones |
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Foramen lacerum |
Between occipital and temporal bones |
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Carotid canal |
Internal carotid artery passageway |
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Inferior view: stylomastoid, foramen magnum |
stylomastoid: facial nerve extending thru here Foramen magnum: spinal cord enters cranial cavity |
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What houses the pituitary gland? |
Sells turcica which is a bony depression on sphenoid |
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Cranial fossae |
3 curved depressions on cranial cavity floor
Houses loves of brain
Anterior, middle, and posterior cranial fossae |
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What are sutures |
Immovable joints which form boundaries between cranial bones |
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Coronal suture |
Between anterior frontal and posterior parietal bones |
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Lamb food suture |
Between parietal bones and occipital bone |
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Sagittal suture |
Between right and left parietal bones |
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Superior and inferior Michael lines |
Intersect external occipital protuberance |
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Squamous suture |
Between temporal bone and parietal bone on each side of skull |
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Sutures bones |
Represent independent bone ossification centers |
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Craniosynostosis |
Premature fusion of one or more cranial suture |
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Plagiocephaly |
Asymmetric head shape caused by unilateral deformational factors |
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Nasal complex |
Enclosed nasal cavity and paranasal sinuses
Bone and cartilage |
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Paranasal sinuses |
Air filled chambers open in nasal cavity
Mucous membrane humidifies and warms inhaled air
Cause skull bones to be lighter
Provide resonance to voice |
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Auditory ossicles |
3 tiny ear bones
Houses within temporal bone
Malleus, incus, and stapes |
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What does lateral view show? |
Parietal bone, temporal bone, zygomatic bone |
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Lateral view: superior and inferior temporal lines |
Arc across surface of parietal and frontal bones |
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Lateral view: zygomatic arch |
Fused portion of temporal process of the zygomatic bone and zygomatic process of the temporal bone |
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Lateral view: different parts and processes |
Squamous part Tympanic part External acoustic meatus Mastoid process Styloid process |
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Cranial cavity: formed from what? |
Frontal, parietal, temporal, occipital, ethmoid, sphenoid bones |
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Inferior view: what forms the pterygoid process? |
Medical and lateral pterygoid plates of sphenoid bone |
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Inferior view: choanae |
Internal openings of nasal cavity medically adjacent |
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Inferior view consist of what? |
Jugular foramen Foramen lacerum Carotid canal |
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Posterior view: external occipital protuberance |
Prominence on posterior aspect of skull |
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Jugular foramen |
Opening between temporal and occipital bones |
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Foramen lacerum |
Between occipital and temporal bones |
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Carotid canal |
Internal carotid artery passageway |
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Inferior view: stylomastoid, foramen magnum |
stylomastoid: facial nerve extending thru here Foramen magnum: spinal cord enters cranial cavity |
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What houses the pituitary gland? |
Sells turcica which is a bony depression on sphenoid |
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Cranial fossae |
3 curved depressions on cranial cavity floor
Houses loves of brain
Anterior, middle, and posterior cranial fossae |
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What are sutures |
Immovable joints which form boundaries between cranial bones |
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Coronal suture |
Between anterior frontal and posterior parietal bones |
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Lamb food suture |
Between parietal bones and occipital bone |
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Sagittal suture |
Between right and left parietal bones |
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Superior and inferior Michael lines |
Intersect external occipital protuberance |
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Squamous suture |
Between temporal bone and parietal bone on each side of skull |
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Sutures bones |
Represent independent bone ossification centers |
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Craniosynostosis |
Premature fusion of one or more cranial suture |
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Plagiocephaly |
Asymmetric head shape caused by unilateral deformational factors |
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Nasal complex |
Enclosed nasal cavity and paranasal sinuses
Bone and cartilage |
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Paranasal sinuses |
Air filled chambers open in nasal cavity
Mucous membrane humidifies and warms inhaled air
Cause skull bones to be lighter
Provide resonance to voice |
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Auditory ossicles |
3 tiny ear bones
Houses within temporal bone
Malleus, incus, and stapes |
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Hyoid bone |
Slender curved bone that doesn’t articulate with any other bone
Has a greater and lesser cornea which are attachment sites for tongue and larynx muscles and ligaments |
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Fontanelles |
Cranial bones interconnected by dense regular CT
2 types: posterior and anterior
Posterior- closes at 9 months Anterior- closes at 15 months |
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Vertebral column |
24 vertebrae Cervical: bone of neck (7) Thoracic: back (12) Lumbar: small of back (5) Sacrum (5) Coccyx: tailbone (4) |
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What does lateral view show? |
Parietal bone, temporal bone, zygomatic bone |
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Lateral view: superior and inferior temporal lines |
Arc across surface of parietal and frontal bones |
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Lateral view: zygomatic arch |
Fused portion of temporal process of the zygomatic bone and zygomatic process of the temporal bone |
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Lateral view: different parts and processes |
Squamous part Tympanic part External acoustic meatus Mastoid process Styloid process |
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Cranial cavity: formed from what? |
Frontal, parietal, temporal, occipital, ethmoid, sphenoid bones |
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Inferior view: what forms the pterygoid process? |
Medical and lateral pterygoid plates of sphenoid bone |
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Inferior view: choanae |
Internal openings of nasal cavity medically adjacent |
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Inferior view consist of what? |
Jugular foramen Foramen lacerum Carotid canal |
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