Anatomy'Dr' & 7abasat

#Head and neck; Exceptions 🔥 All musle of face innervated by facial CNVII All musle of pharynx innervated by vagus CNX except stylopharygeus innervated by glossopharyngeal CNIX All musucles of larynx innervated by reccurent laryngeal branch of vagus X Except cricothyroid external branch of superior laryngeal from the vagus X All muscle of tounge innervated by hypoglossus CNXII except palatoglossus➡️ vagus CNX (via pharyngeal branch to pharyngeal plexus All muscles of soft palate innervated by ➡️ vagus CNX (via pharyngeal branch to pharyngeal plexus Except tensor veli palatini by ➡️ mandible nerve V3 via the branch to medial pterygoid m Muscles of middle ear Tensor tympani ➡️ branch of mandible nerve V3 Stapedius ➡️ branch of facial CNVII Externic muscle of eye ( ocular ) ➡️ L6(SO4)3

Marki🚶🏻💚:- Nerves of H&N:- Lesser occipital nerve: C2 Great auricular nerve: C2,3 Transverse cervical:C2,3 Supraclavicular: C3,4 Cranial nerves that supplies muscles in H&N: 1)Facial nerve CN7:- . Muscles of facial expressions . Posterior belly of digastric . Stylohyoid . Stapedius 2)Mandibular nerve CN V3:- . Muscles of mastication . Tensor tempani . Tensor veli palatini . Mylohyoid . Anterior belly of digastric 3)Vagus nerve CN10 :- . Levatorveli palatini . Salpingopharyngeus . Palatoglossus . Palatopharyngeus . Superior&middle&inferior constrictor

Marki 💚🚶🏻:- Arteries of head & neck:- 1.Internal carotid artery:- -no branches in the neck -gives ophthalmic artery : a)supratrochlear b)supraorbital ——————— 2.External carotid artery:- A)superior thyroid artery: .superior laryngeal artery .infrahyoid artery .sternomastoid .cricothyroid .glandular B)lingual artery: .Suprahyoid .sublingual .two dorsal branches C)Facial artery: . ascending palatine . tonsiler . glandular . Submental . Superior&inferior labial . angular D) Ascending pharyngeal artery: . pharyngeal . muscular . inferior tympanic . meningeal E)occipital artery: . muscular . meningeal . auricular . mastoid F) Posterior auricular artery: . stylomastoid . auricular . occipital G) Superficial temporal artery: . transverse facial . anterior auricular . zygomatico-orbital . middle temporal . Anterior&posterior terminal H)Maxillary artery: 1st part : . middle meningeal artery . accessory meningeal . Anterior tympanic . Deep auricular . Inferior alveolar 2nd part : . Deep temporal (ant&post) . Buccal branch . Ptreygoid branch . Masseteric artery 3rd part: . Posterior superior alveolar . Infraorbital . Greater palatine . Sphenopalatine . Ptreygoid canal artery . Pharyngeal artery

Marki 🚶🏻💚:- Arterial supply of the brain :- 1)Vertebral artery: -anterior spinal artery -posterior spinal artery -posterior inferior cerebellar artery 2)basilar artery: -anterior inferior cerebellar artery -superior cerebellar artery -pontine branches -labyrinthine ((internal auditory)) artery -posterior cerebral artery 3)Internal carotid artery: The terminal branches are: A)anterior cerebral artery: -central branches -cortical branches B)middle cerebral artery: -central branches -cortical branches 4)Circle of willis: -2 anterior cerebral arteries + 1 ant. communicating artery -2 post. cerebral arteries + 2 post. communicating arteries

Marki 🚶🏻💚:- Arteries & Veins of pelvic cavity:- 1)Internal iliac artery: a)Posterior division:- ((SIL)) -superior glueal artery -iliolumber artery -lateral sacral artery b)Anterior division:- -inferior vesical artery -inferior gluteal artery -obturator arter -umbilical artery -vaginal/uterine artery -middle rectal artery -internal pudendal artery 2)Tributaries of internal iliac vein: -internal pudendal vein -superior gluteal vein -inferior gluteal vein -lateral sacral vein -vesical venous plexus -prostatic venous plexus -obturator vein