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Oral Anatomy > Head and Neck Anatomy "SKULL" 9/6 (1st Semester) > Flashcards

Head and Neck Anatomy "SKULL" 9/6 (1st Semester) Flashcards

1
Q

Articulation

A

Skeletal area where bones join together

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2
Q

Sutures

A

The union of bones with fibrous tissue

where 2 bones are joined together the skull

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3
Q

Bones Serve as

A

The base for palpation of soft tissues

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4
Q

Neurocranium

A

Main function is to protect the brain
Has 8 bones:
Frontal, Parietal (2), Occipital, Temporal (2), Sphenoid, Ethmoid

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5
Q

Skull is divided int 2 craniums

A

Neurocranium & Viscerocranium

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6
Q

Union of bones in the Neurocranium have several different sutures

A

Coronal, Sagittal, Lamboidal, Squamosal

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7
Q

Coronal Suture

A

Frontal and parietal bones (parallels the coronal plane creates anterior and posterior segments of the body

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8
Q

Sagittal Suture

A

Parietal bones (runs along the mid-sagittal plane)

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9
Q

Lamboidal

A

occipital and parietal bones

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10
Q

Squamosal Suture

A

Temporal and parietal bones

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11
Q

Viscerocranium

A

Composes the face (facial features) Allows for respiration and digestion (where it starts)
Has 14 bones:
Mandible, Vomer, Maxilla (2), Lacrimal (2), Zygoma (2), Nasal (2), Palatine (2), Inferior nasal Conchae (2)

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12
Q

Temporozygomatic Suture

A

Temporal and zygomatic bones

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13
Q

Median Palatine Suture

A

Palatine bones

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14
Q

Transverse Palatine

A

Maxilla and palatine bones

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15
Q

Intermaxillary suture

A

Joins maxilla

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16
Q

Orbits Comprised of

A

Frontal bone (superior wall), Ethmoid and Lacrimal (medial wall), Zygomatic and Spheniod (lateral wall), Maxilla, Sphenoid

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17
Q

Frontal bone (orbits/eye socket)

A

Superior wall (superior portion of the eye socket)

18
Q

Ethmoid and lacrimal bones (orbits/eye socket)

A

Medial wall (Ethmoid is more posterior and Lacrimal is more anterior on the medial wall)

19
Q

Zygomatic and Sphenoid (orbits/eye socket)

A

Lateral wall

20
Q

Maxilla

A

inferior wall (floor of the orbit very thin)

21
Q

Sphenoid

A

Base at the apex of the orbit (deepest part of the orbit)

22
Q

Superior Orbital Fissure: Cranial Nerves

A

Cranial Nerves III (3), IV (4), V1 (5), VI (6)

23
Q 
Superior Orbital Fissure
Ophthalmic Vein (superior
A

Drains muscles of extra-occular movement

24
Q

Superior Orbital Fissure Location

A

Between the greater and lesser wings of the Sphenoid

25
Q

Inferior Orbital Fissure:Nerves

A

Branches of V2

-Specific nerves Infraorbital and zygomatic nerves

26
Q

Inferior Orbital Fissure :carries

A

Infraorbital artery and inferior ophthalmic vein

27
Q

Inferior Orbital Fissure: Location

A

Between greater wing f sphenoid and maxilla

28
Q

Optic Canal transmits what

A

Cranial nerve II and Ophthalmic artery

29
Q

Optic Canal: Location

A

Within the lesser wing of sphenoid (completely housed in the lesser wing)

30
Q

Infraorbital foramen: Location (not in orbit)

A

Maxilla (just below the inferior rim of the orbit)

31
Q

Infraorbital foramen transmits (not in orbit)

A 
Infraorbital nerve (nerves give off branches and then the name changes)
     -Direct continuation of V2 (started off as V2 and then branches and becomes the infraorbital nerve)
32
Q

Nasal Cavity

A

Piriform aerature

33
Q

Piriform aperture

A

bony rim of the nasal cavity (make the shape of your nose)

34
Q

Piriform Aperature bounded by

A

Nasal bones superiorly

Maxillae create lateral and inferior walls

35
Q

Nasal Septum is composed of

A

Ethmoid (anterior and superior)
Vomer (posterior and inferior)
Nasal septum cartilage

36
Q

Nasal Conchae

A

paired projection

37
Q

Nasal Conchae

Inferior pair

A

Largest (largest and middle only visible from the anterior)

38
Q

Nasal Conchae

Middle and superior pairs

A

Projections of ethmoid (middle and inferior pair only visible from the anterior)

39
Q

Nasal conchae

Inferior pairs

A

smallest are individual bones

40
Q

Nasal Conchae smallest to largest

A

Inferior pair = largest
Middle and Superior pairs = smaller
Inferior pair = smallest

Oral Anatomy (3 decks)

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