Maxillary artery is divided into 1st part or mandibular, 2nd part or pterygoid, and 3rd part or pterygopalatine. The 1st part or mandibular is divided into anterior tympanic artery, deep auricular artery, middle meningeal artery (superior tympanic artery, petrosal branch), accessory meningeal artery, inferior alveolar artery. The 2nd part or pterygoid is divided into to muscles of mastication (deep temporal arteries, pterygoid branches, masseteric artery), buccal artery. The 3rd part or pterygopalatine is divided into posterior superior alveolar artery, infraorbital artery (anterior superior alveolar arteries), descending palatine artery (greater palatine artery, lesser palatine arteries), artery of the pterygoid canal, sphenopalatine artery (posterior septal branches, posterior lateral nasal branches), ascending pharyngeal artery.(Early-plugs insertion point. A few seconds of silence in audiovisual.)ICA (internal carotid artery) is divided into cervical part of internal carotid artery, petrous portion of the internal carotid artery, cavernous part of internal carotid artery and ophthalmic artery (OA), and brain (for cerebral circulation).Cervical part of internal carotid artery has carotid sinus.Petrous portion of the internal carotid artery has Vidian artery (also known as artery of the pterygoid canal) and caroticotympanic arteries.Cavernous part of internal carotid artery and ophthalmic artery (OA) have orbital group, ocular group, ciliary arteries (short posterior ciliary arteries, long posterior ciliary arteries, anterior ciliary arteries), circulus arteriosus major (also known as major arterial circle of the iris, major circulus arteriosus of iris, or circulus arteriosus iridis major), hypophysial (superior hypophyseal artery, inferior hypophysial artery). Orbital group has anterior ethmoidal artery, posterior ethmoidal artery, lacrimal artery (lateral palpebral arteries), medial palpebral arteries, terminal (supraorbital artery, supratrochlear artery, dorsal nasal artery). Ocular group has central retinal artery.Brain has Circle of Willis, anterior cerebral artery (ACA) (anterior communicating artery, recurrent artery of Heubner [also known as Heubner’s artery or distal medial striate artery], orbitofrontal artery), middle cerebral artery (MCA) (anterolateral central arteries [also known as the lenticulostriate arteries or antero-lateral ganglionic branches], Prefrontal artery, Superior terminal branch, Inferior terminal branch, Anterior temporal branch), posterior communicating arteries, anterior choroidal artery.Subclavian arteries (ScA) is divided into vertebral artery, thyrocervical trunk, and costocervical trunk.Vertebral artery is divided into meningeal branches, spinal (posterior spinal artery, anterior spinal artery), basilar artery (with pontine arteries, labyrinthine artery), cerebellar (with anterior inferior cerebellar artery (AICA), superior cerebellar artery (SCA), posterior inferior cerebellar artery (PICA)), cerebral (with posterior cerebral artery (PCA)).
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