Bregma Asterion Pterion
Cranial Fossa
Blood Supply (Circle of Willis) Ant. Cerebral Ant. Communicating Middle Cerebral Internal Carotid A. Post. Communicating Post. Cerebral Basilar A. Vertebral A.
Oral Cavity Red Margin Trochlear Optic Nerve Occulomotor Abducens
Auditory Tube
Superficial and Deep Posterior Triangle Submental Triangle Posterior Triangle Digastric Mylohyoid Anterior Triangle Superficial and Deep Posterior Triangle Ext. jugular v. Splenius Ext. jugular v. SCM Levator scapulae Prevertebral fascia Nerve Point of Neck Phrenic n. Platysma Accessory n. Brachial plexus Scalenes
Submandibular Triangle Submandibular glands Digastrics Carotid Triangle Digastric (posterior belly) External carotid a. Internal carotid a. Common carotid a. Ansa cervicalis SCM SCM Omohyoid IJV
Laryngeal Cartilages Muscles of Triangle Vestibular fold (false) Thyrohyoid Hyoid Sternothyroid Vocal fold (true) Thyroid cartilage Thyroid Cricoid cartilage Sternohyoid (anterior) (posterior) Epiglottis Arytenoid cartilage Thyroid cartilage Cricoid cartilage