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Ch. 8 Head - Coggle Diagram
Ch. 8 Head
Cervical Triangles
Submental
Lymph nodes
Sublingual gland
Submandibular
CN XII
Submandibular gland
Carotid
Carotid sheath
Common carotid
Internal Jugular vein
Vagus N
Ansa Cervicalis
CN XII
Muscular
Sternohyoid mm
Omohyoid mm
Thyrohyoid mm
Occipital
CN XI
Brachial Plexus
SUbclavian Artery
External Jugular vein
Subclavian
Deep subclavian artery
Cranial Fissures
Cronal
Squamosal
Lamboidal
Saggital
Parotid/Temporal Region
Parotid Region
Borders
Superior
Zygomatic Arch
Posterior
Anterior border of SCM
Medial
Ramus of mandible
Anterior
anterior border of masseter Muscle
Inferior
Inferior border of mandible
Contents
Parotid gland
Salivatory gland
Parotid plexus of facial nerve (CN7)
External Carotid artery
Masseter Muscle
Temporal Region
Borders
Superior & Posterior
Temporal lines
Anterior
Frontal & Zygomatic bones
Lateral
Zygomatic arch
Inferior
Infratemporal crest
Contents
TMJ
Synovial hinge joint
Has dics
Lateral pterygoid muscle attaches onto disc
Mandibular fossa of temporal bone & Mandibular condyle joining together
Temporal branches of facial nerve
Temporalis muscle
Mandibular branch of Trigeminal N. (CN 5 v3)
Motor
Muscles of mastication
Sensory
Skin of cheek
InfraTemporal Region
Contents
Lateral & medial pterygoid muscle
Temporalis Muscle inferior attachment
Chorda Tympani Nerve
Maxillary Artery (Branch of external carotid A.)
Runs posterior & inferior to TMJ
Branches into 3 main segments
Middle menigeal
deep auricular
inferior alveolar
Nerves
Trigeminal (CN V)
Sensation of face and mastication
3 major branches
CN 5 v1
Ophthalmic
Skin to forehead and nose
Comes from ...
CN 5 v2
Maxillary
Sensation below eyes and above mouth
Comes from Foramen rotundum
CN 5 v3
Mandibular
Sensation to Lower jaw & anterior to ear
Motor innervation to 4 muscles of mastication
Masseter
Temporalis
Medial pterygoid
Lateral pterygoid
Only muscle to open mouth
Comes from foramen ovale
Facial (CN VII)
Muscles of facial expression
Except for LPS (open eye lids)
No sensory innervation of facial muscles
Pharaynx
Innervation: Vagus N
Muscles
Superior Constrictor
Medial Constrictor
Inferior Constrictor
Stylopharyngeus muscle
Eleveates & Widens pharynx
Innervated by glossopharyngeal Nerve
Hyoid Muscles
Depressors
Omohyoid
Sternohyoid
Thyrohyoid
Sternothyroid
All innervated by Ansa Cervicalis
Elevators
Mylohyoid
Geniohyoid
Hypoglossus
digastric
Stylohyoid