Head and neck Flashcards
Subdural heamatoma
Bridging veins
Occipital condyle
C1 atlas
Muscles that open the mouth
Digastric
Geniohyoid
Lateral pterygoid
Mylohyoid
Pterion bone
Frontal, Parietal, Temporal, Sphenoid
Crista galli
Falx cerebri
Clivus
Abducens nerve
Basillar artery
Pons
TMJ
Mandibular fossa
mandible head
articular tubercle
Infrahyoid
Sternohyoid
Omohyoid
Thyrohyoid - C1
Sternothyroid
ansa cervicalis
Why pupil dilation in oculomotor nerve palsy
Denervation of the parasympathetic fibres that are carried along the nerve
Surface marking for accessory nerve
Crosses posterior triangle
upper 1/3rd and lower 2/3rd of SCM
upper 2/3 and lower 1/3 of trap
OPening vocal cords
Posterior cricoarytenoid
Closing
Lateral cricoarytenoid
Openings of TMJ
Digastric
Lateral pterygoid
Geniohyoid
Mylohyoid
styloid muscles
Styloglossus
Stylohyoid
Stylopharyngeus
Nerve related to ECA
Hypoglossal
Carotid body and sinus
Carotid body = chemoreceptor -> Posterior CCA birfucation
Carotid sinus = Baroreceptors -> Dilated area of ICA
Layers of brain
Dura, Pia, Arachnoid
Muscles that attach to mastoid
sternocleidomastoid
splenius capitis
posterior belly of digastirc
longismus capitis
Pretracheal fascia
Infrahyoid
Thyroid and parathyroid
Pharynx and oesophagus
Occulomotor nerve origin
Midbrain - occulomotor nucleus
Exits - SOF
Tentorium cerbelli
superior angle of petrous of temporal bone
posteriorly = occipital bone
Can you transect facial artery
Yes
Rich collaterals between contralateral FA and maxillary artery
Parotid duct
middle third between tragus and philtrum
Pierces biccinaotr
opposite second molar between buccal mucosa
Parotid secreations
serous due to parasympathetic
Submandibular duct
Floor of mouth, lingual frenulum
Mucus and serous
Nerve at carotid bifurcation
Glossopharyngel nerve
Venous drainage of thryoid
STV and MTV - IJV
ITV - brachiocephalic
ELN
Superior thryoid artery
RLN
Inferior thyroid artery
Where does menigioma arise
arachnoid cap
Third nerve palsy
posterior communicating artery branches off the ICA