Please enable JavaScript.
Coggle requires JavaScript to display documents.
Larynx & Pharynx Anatomy & Physiology :cherry_blossom: (Larynx…
Larynx & Pharynx
Anatomy & Physiology
:cherry_blossom:
Oral cavity
& (Oropharynx)
Got 7 components
Hard palate
Anterior part of tongue
Lips
Gums
Buccal mucosa
Floor of mouth
Retromolar trigone
(Found หลังฟันกรามชิ้นสุดท้าย)
Physiology
of Oral cavity
Larynx
Innervations
Superior laryngeal n. (SLN)
Motor: cricothyroid ms
Sensory: above the glottis
Recurrent laryngeal n. (RLN)
Motor: ALL intrinsic ms
except cricothyroid
Sensory: below the glottis
Vagus n.
Anatomy
Narrowest part for
Children is
Subglottic area
(เหนือ cricoid)
Adult is
TVC
Laryngeal framework
4 principal cartilages
Thyroid — soft tissue envelop
Cricoid — imp. airway framework & laryngeal base
Arytenoids — change the vectors of force into vocal fold motion
Muscles
Sole abductor
:stars:
Posterior cricoarytenoid Muscle
that
abducts
Principle adductors
Thyroarytenoid ms.
Lateral cricoarytenoid ms.
Interarytenoid ms.
Vascular supplies
Superior laryngeal a.
Superior thyroid a.
Inferior laryngeal a.
Inferior thyroid a.
(Fr Thyrocervical trunk)
Laryngeal subunits
Supra
glottis
Epiglottis
(suprahyoid & infrahyoid epi)
Arytenoids
Aryepiglottic folds (AE folds)
False vocal cords (FVCs)
Glottis
True vocal cords (TVCs)
Anterior comissure
Posterior commissure
Sub
glottis
Laryngeal
func
Airway protection
Respiration
Phonation
Pharynx
Divided into
Oro
pharynx
Components
Soft palate
Base of tongue/posterior part of tongue
Posterior pharyngeal wall
Tonsil
Hypopharynx
Nasopharynx
Physiology of pharynx
Tongue
ms
Extrinsic ms (4)
Genioglossus, Hyoglossus, Styloglossus, Palatoglossus
Intrinsic ms (4)
Salivary glands
anatomy