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Anatomy Lab Module 1 > Module 1 Head and Neck Bones > Flashcards

Module 1 Head and Neck Bones Flashcards

0
Q

Clavicle

A

Junction of neck and anterior thorax

S shaped bone aka collar bone

Located between sternum and acromion of scapula

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1
Q

Cervical vertebra

A

Located between occipital bone and T1 vertebra

7 individual vertebrae

Transverse foramen and bifid spinous processor C3-C6

C1 articulates with skull

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2
Q

Frontal Bone

A

Front of skull

Unpaired irregular shaped flat bone that forms the forehead, roof of orbits, and most of anterior cranial fossa

Contains frontal air sinuses

Articulates with parietal bone at coronal suture and sphenoid bone at sphenosquasomal suture

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3
Q

Greater Wing of the Sphenoid Bone

A

Paired lateral projections of the sphenoid bone

Forms part of middle cranial fossa and lateral aspect of skull (temple)

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4
Q

Inferior and Middle Nasal Conchae

A

Located in lateral wall of the nasal cavity

Shelf like projections of bone covered by thick mucosa

Inferior is its own bone, middle is part of ethmoid bone

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5
Q

Infraorbital foramen

A

Located in maxilla

Opening inferior to orbit

Infraorbital nerve, artery, and vein pass through here

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6
Q

Mandible

A

Located on anterior part of skull

U shaped bone aka lower jaw

Mental protuberance forms point of chin

Contains alveoli (sockets) for teeth

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7
Q

Manubrium

A

Top (superior) portion of sternum

Triangular shape; articulates with costal cartilages of ribs 1-2 and clavicles

Provides attachment for sternocleidomastoid and pectoralis major muscle

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8
Q

Maxilla

A

Anterior portion of skull

Paired irregular shaped bone

Left and right unite to form upper jaw

Contains sockets for teeth

Contains maxillary air sinus on each side

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9
Q

Mental foramen

A

Located on mandible (lower jaw)

Transmits mental nerve, artery, and vein

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10
Q

Nasal Bone

A

Small paired bone on anterior part of skull

Articulates at midline with nasal bone from opposite side

Bridge of nose (bony part of nose)

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11
Q

Orbit

A

Anterior portion of skull lateral to nasal cavity

Pyramidal space with roof, floor, and medial and lateral walls

Roof = frontal and sphenoid bones

Floor = palatine and zygomatic bones and maxilla

Lateral wall = zygomatic, sphenoid, and frontal bones

Medial wall = ethmoid and lacrimal bones, and maxilla

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12
Q

Perpendicular Plate of Ethmoid

A

Thin vertical projection of ethmoid bone in nasal cavity

Forms superior part of nasal septum

Articulates with vomer and nasal septal cartilage

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13
Q

Rib 1

A

Located in thorax

Shortest true rib

Articulates with T1, and manubrium and sternum via costal cartilage

Subclavian artery and vein groove on superior surface

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14
Q

Scapula

A

Located on posterior thorax

Overlies ribs 2-7

Large flat triangular bone; characteristics include spine, acromion, coracoid process, and glenoid cavity

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15
Q

Skull

A

Divided into cranial and facial bones

Cranial = frontal, sphenoid, ethmoid, parietal, occipital, and temporal bones

Facial group = maxilla, mandible, vomer, nasal, lacrimal, and zygomatic bones

16
Q

Sphenoid Bone

A

Unpaired irregular shaped bone of the skull

Shape resembles a butterfly (body, greater and lesser wings)

Contributes to middle cranial fossa, nasal cavities, orbits, and lateral skull

Contains sella turcica, sphenoidal air sinus, and many foramina

17
Q

Supraorbital Notch

A

Located on frontal bone

Supra orbital nerve, artery, and vein transverse this

18
Q

Thoracic Vertebra

A

Located in the trunk between C7 and L1

12 individual vertebrae

Characteristic features include costal demifacets, for articulation with head of rib; spinous process slopes inferiorly, heart shaped vertebral body

19
Q

Vomer

A

Midline of nasal cavity

Plow shaped bone

20
Q

Zygomatic Bone

A

Anterior and lateral portion of skull

Paired irregular shaped bone

Temporal process contributes to zygomatic arch

Aka cheekbone

Forms part of floor and lateral wall of orbit

21
Q

Coronal Suture

A

Superior portion of skull

Joint between frontal and parietal bones

22
Q

Parietal Bone

A

Lateral portion of skull

Flat paired bone

Bones articulate at sagittal suture (midline)

Articulates with frontal bone at coronal suture, occipital bone at lambdoid suture, and temporal bone at squamosal suture

23
Q

Temporal Bone

A

Lateral and inferior portion of skull

Paired irregular shaped flat bone

Consists of squamous, petrous, mastoid, and tympanic parts

Forms the temple

Forms inferior and lateral walls of middle cranial fossa

Articulates with sphenoid bone at sphenosquamosal suture, occipital bone at lambdoid suture, and parietal bone at squamosal suture

Has mandibular fossa that forms temporomandibular joint

Forms zygomatic process that forms zygomatic arch with temporal process of zygomatic bone

24
Q

Zygomatic arch

A

Lateral portion of skull

Bony arch formed by zygomatic bone and temporal bone

Posterior and inferior to lateral margin of orbit

25
Q

Mastoid process

A

Mastoid part of temporal bone

Posterior and inferior to external external acoustic meatus

Provides attachment for splenius capitis, sternocleidomastoid, and posterior digastric muscles

26
Q

External Acoustic Meatus

A

Short canal of external ear

Lateral is cartilage, medial is bony

27
Q

Styloid process of temporal bone

A

Provides attachment for styloglossus, stylopharyngeus, and stylohyoid muscles

28
Q

Condylar process of mandible

A

Articulates with mandibular fossa to form temporomandibular joint

Provides attachment for lateral pterygoid muscle

29
Q

Hyoid bone

A

U shaped bone

Does not articulate with any other bone

Stylohyoid ligament, suprahyoid and infrahyoid muscles and extrinsic muscles attach here

30
Q

Intervertebral disc

A

Between C2 to S1

Outer ring contains fibrocartilage ring, inner part is mucoid material

31
Q

Spinous process of cervical spine

A

Unpaired usually bifid

Provides attachment for muscles and ligaments

On all but C1 and coccygeal vertebrae

Anatomy Lab Module 1 (8 decks)

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