Bones and Joints of Neck and Head pt. 3 Flashcards

1
Q

External ear consists of

A

pinna + external ear canal

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2
Q

External ear canal is from what to what

A

external auditory meatus to tympanum

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3
Q

Middle ear (Tympanic cavity) is what

A

small bones that amplify sound waves (osscles)

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4
Q

Malleus is where

A

Manubrium embedded in tympanum

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5
Q

Stapes footplate contacts the

A

Oval window of the cochlea

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6
Q

What communicates with the amstoid air cells and by what

A
Stapes
Mastoid antrum (opening)
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7
Q

What regulates pressure in the middle ear like while flying

A

Nasopharynx through the auditory (Eustachian) tube

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8
Q

Potential paths for infection spread is

A

in the stapes

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9
Q

Name 4 parts of inner ear

A

Cochlea
Vestibular organ
Utricle and saccule
Semicirular canales

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10
Q

Inner ear parts are surrounded by bony labyrinth of ___

A

temporal bone

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11
Q

Cochlea does

Vestibular does what

A
  • hearing

- balance and sense of position and acceleration

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12
Q

What two parts of inner ear have hair cells

A

Semicircular canals and utricle and saccule

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13
Q

Elevation formed by cartilage of the auditory tube

A

Torus tubaris

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14
Q

Opening of the auditory tube (pharyngotympanic/eustachian tube) into

A

nasopharynx

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15
Q

4 parts of mandible

A

corpus
ramus
lingua
foramina

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16
Q

Corpus does what and way direction

A

body; suppports the alveolar processes and teeth; horizontal

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17
Q

midline fusion of two halves of mandible, originally a fibrocartilaginous joint (age 1)

A

mandibular symphysis

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18
Q

Ramus is in what driection and does what

A

vertical, supports condyle and masticatory muscular attachments

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19
Q

Condyle forms

and neck is where

A

articulation with the temporal bone

inferior head of the lateral pterygoidi m. attaches

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20
Q

attachment for the temporalis m.

A

oronoid process

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21
Q

attachment for tehe masseter m. (laterally), and medial pterygoid m. (medially at pterygoid tuberosity)

A

angle

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22
Q

Attachment for sphenomandibular ligament, landmark for mandibular f.

A

Lingula

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23
Q

Submandibular muscle attachment sites (3)

A
  • Mylohoid line- mylohoid m.
  • Genial tubercle- geniohyoid m. (metnal spine, chin)
  • Digastric fossa- digastric m. (anterior belly)
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24
Q

Space inside mandible between mandifbular foramen and mental foramen is

A

inferior alveolar canal

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25
Q

Mandibular foramen has

A

inferior alveolar neurovasculature (sensory to lower teeth) (behind lingula)

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26
Q

Mental foramen has

A

mental n. (sensory to chin)

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27
Q

Temporomandibular Joint is where

A

beetween condyle (mandible) and mandibular fossa (temporal bone)

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28
Q

Articular disc of TMJ is

A

dense CT pad between condyle and fossa (and temporal bone)

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29
Q

Articular eminence (temporal bone) prevents what

A

ANTERIOR dislocation of TMJ

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30
Q

Ligaments and capsule of TMJ do what

A

stabilize TMJ and hold disc to condyle

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31
Q

Retrodiscal pad of TMJ is what and prevents what

A

mass of fatty, vascularized tissue behind the joint that prevents POSTERIOR dislocation

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32
Q

TMJ ligaments (4)

A

Sphenomandibular
Stylomandibular
Capsular/Temporomandibular
Discal ligaments

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33
Q

Sphenomandibular ligament from where to where and does what

A

sphenoid bone to mandibular lingula

LIMITS INFERIOR DISPALCEMENT OF THE MANDIBLE

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34
Q

Stylomandibular ligament from where to whre and does what

A

styloid process to mandibuar angle

LIMITS ANTERIOR DISPALCEMENT AND MANDIBULAR DEPRESSION

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35
Q

Capsular/Temporomandibular ligament where to where and does what

A

mandibular fossa to the mandibular condyle

prevents posterior displacement of the condyle (keeps in place)

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36
Q

Discal ligament does what

A

holds articular disc to the condyle

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37
Q

Ginglymoarthordial joint is

A

hinge + sliding joint

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38
Q

TMJ movements is

A

modified hinge joint

ROTATIONS + sliding

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39
Q

Sliding is

A

retrusion and protrusion

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40
Q

rotations are

A

Elevation and depression

41
Q

wide jaw requires both

A

depression (rotation) and protrusion (sliding)

42
Q

Vestibule is between

A

teeth and gums

43
Q

Buccal is between

A

cheeks and gums

44
Q

Labial is between

A

lips and gums

45
Q

Parotid duct papilla

A

where saliva enters mouth

46
Q

Oral cavity is deep to

A

teeth

47
Q
Oral Cavity
Anterior border
Lateral 
Floor
Roof
Posterior border
A
  • teeth
  • teeth
  • mylohyoid muscle
  • hard and soft palate
  • fauces (arches)
48
Q

Oral arches (fauces) posterior limit of the

A

oral vacity

49
Q

___ between the arches

A

palatine tonsils

50
Q

Parts of tongue

A

Pharyngeal
terminal sulcus
Oral

51
Q

Pharyngeal part is

A

lingual tonsils

52
Q

Terminal sulcus is between

A

front and back of tongue

53
Q

Oral part, 3 parts

A

Lingual sulcus (midline)
Apex
Lingual papillae

54
Q

Lingual papillae

  • Cicumvallate (vallate)
  • Foilate
  • Filiform
  • Fungiform
A
  • taste buds BITTER
  • taste buds
  • SENSORY NOT taste buds
  • taste buds
55
Q

3 parts of the floor of tongue

A

lingual frenulum
sublingual fold
Sublingual caruncle

56
Q

Lingual frenulum is where

A

tongue and floor of mouth connect

57
Q

Sublingual carnuncle with opening to ____

A

sublingual salivary duct (saliva enters mouth)

58
Q

Hard palate is

A

maxilla + palatine bones

59
Q

3 parts of hard palate

A

incisive foramen
greater palatine foramen
lesser palatine foramen

60
Q

soft palate has

A

uvula

61
Q
Dentition of adults (how many teeth)
\_\_ incisors (central and lateral)
\_\_ canine
\_\_ premolars
\_\_ molars (3rd wisdom tooth)
A

32 or 28

  • 2
  • 1
  • 2
  • 3
62
Q

how many quadrants for teeth, what is on to pand what is on bottom

A
  • maxillary

- mandibular on bottom

63
Q

Deciduous (baby) detention erupts about

A

6-30 months

64
Q

Tooth replacemnt starts around

A

6yrs with M1

65
Q

First molar

Third molar

A

6-7 yrs

17-21 yrs

66
Q

Each tooth sits on bony socket called

A

alveolus

67
Q

thick ridge of cortical bone on the maxillar and mandible that supports the teeth is the

A

alveolar process

68
Q

peg/socket joint called

A

gomphosis

69
Q

teeth are supplied by ___ in the ___

A

alveolar neurovascular bundle in the pulp cavity

70
Q

Maxillar teeth by

A

Poster, middle and anterior superior alveolar n., a. and v.

71
Q

Mandibular teeth by

A

inferior alveolar n., a. and v.

72
Q

specialized bundles of CT that hold tooth to alveolus

A

PDL

73
Q

PDL are what kind of nerves, sense what

A

SENSORY
mechanoreception
nocioception (pain)
proprioceptive reflexes (bite force)

74
Q

PDL is branches of

A

CN V (trigeminal n.)

75
Q

Hyoid bone does what

A

tongue movement; swallowing, speech, breathing- keeping airways open

76
Q

Hyoid bone is connected to the rest of skeleton through

A

muscles and ligaments

77
Q

Fracture of hyoid bone in adults mean

A

strangulation

78
Q

Hyoid Bone

  • body
  • greater and lesser horn
  • soft tissue attachments
A
  • anterior
  • where most ligaments attach
  • thyrohyoid membrane-body and greater horn
  • stylohyoid ligament- lesser horn
79
Q

Epiglottis is behind, closes __ during ___ and is __

A

behind tongue
closes airway during swallowing
elastic

80
Q

speech (voicebox)

A

Laryngeal cartilages

81
Q

4 parts of laryngeal cartilags

A

thyroid (shield)
cricoid (ring)
arytenoid (funnel)
Corniculate (horn)

82
Q

what 3 cartiglaes have hyaline

A

thyroid, cricoid and tracheal

83
Q

arytenoid is what kind of cartilage

A

elastic

84
Q

Keeps the airway open, __ shaped cartilage (where __ meets trachea)

A

Tracheal cartilages
c
larynx

85
Q

2 laryngeal joints

A

Cricothyroid (CT)

Cricoarytenoid (CA)

86
Q

Cricothyroid joint does what (CT)

A

stretch/relax vocal cords

  • pivot movments of thyroid cartilage
  • PITCH (tension of vocal cords)
  • higher tension= higher pitch
87
Q

Cricoarytenoid Joint does what (CA)

A
  • rotational and sidingmovements of arytenoid cartilages
  • OPEN and CLOSE airways for BREATHING and speaking
  • open vocal cords = breathing
  • closed vocal cords = vibrate against each other to produce speech
88
Q

Transverse process has what? which has what 2 things? (C_ to C_)

A

transverse foramen
vertebral a. and v.
C1 to C7

89
Q

c7 only has

A

VERTEBRAL VEIN

90
Q

spinous process C_ to C_

A

C2 to C6

91
Q

spinous process is

A

bifid (forked)

92
Q

C1 is called? and what is special about it

A

atlas

no body

93
Q

C2 is called and it has what

A

axis

odontoid process/dens

94
Q

which two processes help rotate our head

A

C1 and C2

95
Q

which spinous process forms the vertebra prominens

A

C7

96
Q

Carotid (Chassaignac) Tubercle is ____ on the ___ of ___

A

anterior
transverse process
C6 Vertebra

97
Q

Palpable for the division of the common carotid a. and the vertebral a.

A

Carotid (Chassaignac) Tubercle

98
Q

Landmark for ___ (__ plexus and ___ plexus blocks)

A

Carotid (Chassaignac) Tubercle

  • anesthesia
  • brachial
  • cervical plexus