Bones and Joints of Neck and Head pt. 3 Flashcards by Blair Waldorf

External ear consists of

pinna + external ear canal

How well did you know this?

Not at all

Perfectly

External ear canal is from what to what

external auditory meatus to tympanum

How well did you know this?

Not at all

Perfectly

Middle ear (Tympanic cavity) is what

small bones that amplify sound waves (osscles)

How well did you know this?

Not at all

Perfectly

Malleus is where

Manubrium embedded in tympanum

How well did you know this?

Not at all

Perfectly

Stapes footplate contacts the

Oval window of the cochlea

How well did you know this?

Not at all

Perfectly

What communicates with the amstoid air cells and by what

Stapes
Mastoid antrum (opening)

How well did you know this?

Not at all

Perfectly

What regulates pressure in the middle ear like while flying

Nasopharynx through the auditory (Eustachian) tube

How well did you know this?

Not at all

Perfectly

Potential paths for infection spread is

in the stapes

How well did you know this?

Not at all

Perfectly

Name 4 parts of inner ear

Cochlea
Vestibular organ
Utricle and saccule
Semicirular canales

How well did you know this?

Not at all

Perfectly

Inner ear parts are surrounded by bony labyrinth of ___

temporal bone

How well did you know this?

Not at all

Perfectly

Cochlea does

Vestibular does what

hearing

- balance and sense of position and acceleration

How well did you know this?

Not at all

Perfectly

What two parts of inner ear have hair cells

Semicircular canals and utricle and saccule

How well did you know this?

Not at all

Perfectly

Elevation formed by cartilage of the auditory tube

Torus tubaris

How well did you know this?

Not at all

Perfectly

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

nasopharynx

How well did you know this?

Not at all

Perfectly

4 parts of mandible

corpus
ramus
lingua
foramina

How well did you know this?

Not at all

Perfectly

Corpus does what and way direction

body; suppports the alveolar processes and teeth; horizontal

How well did you know this?

Not at all

Perfectly

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

mandibular symphysis

How well did you know this?

Not at all

Perfectly

Ramus is in what driection and does what

vertical, supports condyle and masticatory muscular attachments

How well did you know this?

Not at all

Perfectly

Condyle forms

and neck is where

articulation with the temporal bone

inferior head of the lateral pterygoidi m. attaches

How well did you know this?

Not at all

Perfectly

attachment for the temporalis m.

oronoid process

How well did you know this?

Not at all

Perfectly

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

angle

How well did you know this?

Not at all

Perfectly

Attachment for sphenomandibular ligament, landmark for mandibular f.

Lingula

How well did you know this?

Not at all

Perfectly

Submandibular muscle attachment sites (3)

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

How well did you know this?

Not at all

Perfectly

Space inside mandible between mandifbular foramen and mental foramen is

inferior alveolar canal

How well did you know this?

Not at all

Perfectly

Mandibular foramen has

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

Mental foramen has

mental n. (sensory to chin)

Temporomandibular Joint is where

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

Articular disc of TMJ is

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

Articular eminence (temporal bone) prevents what

ANTERIOR dislocation of TMJ

Ligaments and capsule of TMJ do what

stabilize TMJ and hold disc to condyle

Retrodiscal pad of TMJ is what and prevents what

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

TMJ ligaments (4)

Sphenomandibular Stylomandibular Capsular/Temporomandibular Discal ligaments

Sphenomandibular ligament from where to where and does what

sphenoid bone to mandibular lingula | LIMITS INFERIOR DISPALCEMENT OF THE MANDIBLE

Stylomandibular ligament from where to whre and does what

styloid process to mandibuar angle | LIMITS ANTERIOR DISPALCEMENT AND MANDIBULAR DEPRESSION

Capsular/Temporomandibular ligament where to where and does what

mandibular fossa to the mandibular condyle | prevents posterior displacement of the condyle (keeps in place)

Discal ligament does what

holds articular disc to the condyle

Ginglymoarthordial joint is

hinge + sliding joint

TMJ movements is

modified hinge joint | ROTATIONS + sliding

Sliding is

retrusion and protrusion

rotations are

Elevation and depression

wide jaw requires both

depression (rotation) and protrusion (sliding)

Vestibule is between

teeth and gums

Buccal is between

cheeks and gums

Labial is between

lips and gums

Parotid duct papilla

where saliva enters mouth

Oral cavity is deep to

teeth

``` Oral Cavity Anterior border Lateral Floor Roof Posterior border ```

- teeth - teeth - mylohyoid muscle - hard and soft palate - fauces (arches)

Oral arches (fauces) posterior limit of the

oral vacity

___ between the arches

palatine tonsils

Parts of tongue

Pharyngeal terminal sulcus Oral

Pharyngeal part is

lingual tonsils

Terminal sulcus is between

front and back of tongue

Oral part, 3 parts

Lingual sulcus (midline) Apex Lingual papillae

Lingual papillae - Cicumvallate (vallate) - Foilate - Filiform - Fungiform

- taste buds BITTER - taste buds - SENSORY NOT taste buds - taste buds

3 parts of the floor of tongue

lingual frenulum sublingual fold Sublingual caruncle

Lingual frenulum is where

tongue and floor of mouth connect

Sublingual carnuncle with opening to ____

sublingual salivary duct (saliva enters mouth)

Hard palate is

maxilla + palatine bones

3 parts of hard palate

incisive foramen greater palatine foramen lesser palatine foramen

soft palate has

uvula

``` Dentition of adults (how many teeth) __ incisors (central and lateral) __ canine __ premolars __ molars (3rd wisdom tooth) ```

32 or 28 - 2 - 1 - 2 - 3

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

- maxillary | - mandibular on bottom

Deciduous (baby) detention erupts about

6-30 months

Tooth replacemnt starts around

6yrs with M1

First molar | Third molar

6-7 yrs | 17-21 yrs

Each tooth sits on bony socket called

alveolus

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

alveolar process

peg/socket joint called

gomphosis

teeth are supplied by ___ in the ___

alveolar neurovascular bundle in the pulp cavity

Maxillar teeth by

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

Mandibular teeth by

inferior alveolar n., a. and v.

specialized bundles of CT that hold tooth to alveolus

PDL

PDL are what kind of nerves, sense what

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

PDL is branches of

CN V (trigeminal n.)

Hyoid bone does what

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

Hyoid bone is connected to the rest of skeleton through

muscles and ligaments

Fracture of hyoid bone in adults mean

strangulation

Hyoid Bone - body - greater and lesser horn - soft tissue attachments

- anterior - where most ligaments attach - thyrohyoid membrane-body and greater horn - stylohyoid ligament- lesser horn

Epiglottis is behind, closes __ during ___ and is __

behind tongue closes airway during swallowing elastic

speech (voicebox)

Laryngeal cartilages

4 parts of laryngeal cartilags

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

what 3 cartiglaes have hyaline

thyroid, cricoid and tracheal

arytenoid is what kind of cartilage

elastic

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

Tracheal cartilages c larynx

2 laryngeal joints

Cricothyroid (CT) | Cricoarytenoid (CA)

Cricothyroid joint does what (CT)

stretch/relax vocal cords - pivot movments of thyroid cartilage - PITCH (tension of vocal cords) - higher tension= higher pitch

Cricoarytenoid Joint does what (CA)

- 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

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

transverse foramen vertebral a. and v. C1 to C7

c7 only has

VERTEBRAL VEIN

spinous process C_ to C_

C2 to C6

spinous process is

bifid (forked)

C1 is called? and what is special about it

atlas | no body

C2 is called and it has what

axis | odontoid process/dens

which two processes help rotate our head

C1 and C2

which spinous process forms the vertebra prominens

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

anterior transverse process C6 Vertebra

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

Carotid (Chassaignac) Tubercle

Landmark for ___ (__ plexus and ___ plexus blocks)

Carotid (Chassaignac) Tubercle - anesthesia - brachial - cervical plexus

Bones and Joints of Neck and Head pt. 3 Flashcards

(98 cards)