Dural Venous Sinuses

Internal carotid arteries and vertebral arteries are where

ventral surface of brain in subarachnoid space

What encloses the subarachnoid space

Cranial Meniges

transfer CSF from subarachnoid space to venous system

Arachnoid granulations

Most cerebral veins drain to ___

great cerebral vein (of Galen): which drains into straight sinus

blood supply to dura mater

Middle meningeal artery

thinnest part of skull

pterion: frontal, sphenoid, temporal, parietal

vestinular portion to semicicular canals

balance and proprioception

lymphatic drainage of teeth

• mandibular incisors: submental

• maxillary 3rd molar: superior deep cervical nodes

• everything else: submandibular nodes

tongue lymph drainage

• tip: submental

• sides: submandibular

• middle/posterior: deep cervical nodes

Sensory of teeth

• mandibular inscors: mental nerve

• Manibular: inferior alveolar nerve

• Max: Infraorbital v2

  • anterior: insicor + canine

  • Middle: premolar + M1

  • Posterior M1-M3

blood vessels:

• mandibular:

• Max

• mandibular; inferior alveolar from maxillary artery

• maxillary anterior, middle, posterior alveolar artery:

  • Anterior: Incisor + canine

  • Middle: communicating artery that contributes canine, premolars, M1

  • Posterior: premolars + molar

superior to vocal fold sensory

internal laryngeal (off superior laryngeal X)

inferior to vocal fold sensory

Inferior laryngeal nerve: branch off recurrent laryngeal nerve

external laryngeal does?

motor to cricothyroid

What becomes inferior laryngeal nerve?

Recurrent laryngeal (wraps around arch of aorta on left side)

besides cricothyroid, what is the innervation of the larynx

inferior laryngeal nerve