Term
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Definition
-Part of respiratory system
-Opens posteriorly/above into pharynx
-Continuous w/ trachea
-Aperture is supported by cartilages |
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Term
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Definition
-Acts as a value to guard the air passage
-maintain a patent airway
-vocalization |
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Term
Laryngeal Skeleton
Thyroid cartilage
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Definition
-does not extend around larynx
-right and left lamina meet in anterior midline
-laryngeal prominence (adam's apple) and thyoid notch
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Term
Laryngeal skeleton
Cricoid Cartilage
|
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Definition
-shaped like a signet ring
-has a narrow anterior and wider posterior plate, or lamina |
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Term
Laryngeal Skeleton
Arytenoid cartilage |
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Definition
-Moveable on cricoid cartilage
-have vocal process where vocal ligament is attached
-muscular process and apex |
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Term
Laryngeal Joints
Cricothyroid
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Definition
| -movement here slackens or tightens vocal ligaments |
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Term
Laryngeal Joints
Crico-arytenoid |
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Definition
-Arytenoid cartilages glide and rotate of cricoid at these joints
-movements are important in fine tuning the vocal folds |
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Term
Laryngeal Ligaments and membranes
extrinsic |
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Definition
-thyrohyoid membrane
-cricothyroid ligament
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Term
laryngeal ligaments and membranes
intrinsic
|
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Definition
| -vocal ligament(connect laryngeal cartilages to each other) |
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Term
Interior of larynx
supraglottic cavity
|
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Definition
-above vocal cords
-ventricle found laterally between vestibular and vocal folds
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Term
Interior of larynx
-infraglottic cavity |
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Definition
-from vocal folds to the trachea
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Term
interior of the larynx
-vestibular fold |
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Definition
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Term
Interior of larynx
Vocal fold |
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Definition
-true vocal cords
-each contains local ligament, vocalis m, and mucosal covering
-production of sound(phonation) |
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Term
Interior of larynx
Glottis |
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Definition
| -consists of true vocal folds and space between them |
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Term
Interior of larynx
rima glottis |
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Definition
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Term
muscles of larynx
sphincter group(protection) |
|
Definition
-oblique and transverse arytenoideus mm
-aryepiglottic m
-lateral cricoarytenoideus m
-thyroepiglottic m
-(thyroarytenoideus m) |
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Term
Muscles of the larynx
-Abductors |
|
Definition
| -posterior cricoarytenoideus m |
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Term
Muscles of the larynx
-adductors
|
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Definition
-lateral cricoarytenoideus m
-oblique and transverse arytenoideus mm
-(thyroarytenoideus m) |
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Term
Larynx: Muscles of phonation and respiration
tensor of vocal ligament
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Definition
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Term
Larynx: Muscles of phonation and respiration
relaxer of vocal ligament
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Definition
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Term
|
Definition
-attaches to vocal ligament
-will shorten vocal ligament
-acts when vocal cord is fixed by cricothyroid. allows it to modify the tension of the vocal ligament
-Hold posterior VC against eachother, allowing air to pass anteriorly |
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Term
Larynx innervation
Superior laryngeal n
|
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Definition
-external branch: motor to cricothyroid
-internal branch: sensory to larynx above VC |
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Term
Larynx Innervation
Recurrent laryngeal n
(terminal branches form inferior laryngeal n) |
|
Definition
-motor to intrinsic mm except cricothyroid
-sensory to larynx below Vocal folds |
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Term
|
Definition
Superior Laryngeal a.(from superior thyroid a)
Inferior laryngeal a(from inf. thyroid a) |
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Term
|
Definition
-cricothyrotomy (through the cricothyroid ligament)
-Tracheotomy |
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Term
Lymphatics of the head
superficial facial lymph nodes |
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Definition
-follow the course of the facial artery
-drain into submandibular nodes |
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Term
Lymphatics of the head
buccal nodes
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Definition
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Term
Lymphatics of the head
Deep facial lymph nodes
|
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Definition
-follow course of the maxillary artey
-drain infratemporal fossa, temporal fossa, nasopharynx |
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Term
Lymphatics of the head
retropharyngeal nodes
|
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Definition
| -drains pharynx, nasal cavity, paranasal sinuses, soft palate, auditory tube |
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Term
Lymphatics of the head
Occipital nodes
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Definition
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Term
Lymphatics of the head
Mastoid (postauricular) nodes
|
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Definition
| -drain the upper scalp and most of the auricle |
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Term
Lymphatics of the head
parotid nodes
|
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Definition
-superficial drain upper scalp
-outer canthus of eye
-some of the auricle
-deep middle ear
-auditory tube and external meatus |
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Term
Superficial nodes in the neck
Superficial cervical
|
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Definition
-drain lower ear and parotid
-alonf external jugular v. |
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Term
Superficial nodes in neck
submental nodes
|
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Definition
-drains center of lower lip
-mandibular incisors and their gingiva
-tip of tongue and chin
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Term
Superficial nodes in neck
submandibular nodes
|
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Definition
-drain anterior scalp
-most of eye and anterior face
-maxillary and mandibular teeth and gingiva
-oral palate
-lateral anterior 2/3's of tongue
-submental nodes |
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Term
Deep Cervical nodes
superior deep cervical nodes
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Definition
-all nodes in H&N except inferior deep nodes
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Term
Deep Cervical nodes
superior deep cervical nodes:
-Jugulodigastric node |
|
Definition
-posterior 1/3 tongue
-posterior palate
-lingual and palatine tonsils
-"sentinel node"
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Term
Deep Cervical nodes
Inferior deep cervical
|
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Definition
| -Drain superior deep cervical nodes |
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Term
Deep Cervical nodes
Inferior deep cervical:
-jugulo-omohyoid nodes
|
|
Definition
-central tongue
-submental nodes
-submandibular nodes |
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Term
Other deep lymph nodes of neck
transverse cervical nodes
|
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Definition
-along transverse cervical a
-drain the axillary region
-lateral neck and breast |
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Term
Other deep lymph nodes of neck
deep anterior cervical nodes
|
|
Definition
-adjacent to viscera of neck
-include: paratracheal nodes
prelaryngeal nodes
infrahyoid nodes |
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