Notes in 07 Anatomy: Face, Infratemporal Fossa, Ear

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Published	04/29/2024	242cf060cc8343d897d8f3d82720b308-ao-1
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Published	04/29/2024	The tip of the nose receives sensory innervation from the {{c1::external nasal}} branch of the {{c1::ophthalmic (V1)}} division of CN V
Published	04/29/2024	The side of the nose receives sensory innervation from the {{c1::infraorbital}} branch of the {{c1::maxillary (V2)}} division of CN V
Published	04/29/2024	The {{c1::buccal branch of CN V3}} provides sensory innervation to the inside of the cheek
Published	04/29/2024	For pinning purposes, which nerve gives sensory innervation at:Upper ear: {{c1::Auriculotemporal}}Lower ear (earlobe): {{c1::Great auricular}}
Published	04/29/2024	A gynotikolobomassophile enjoys {{c1::nibbling on earlobes}}
Published	04/29/2024	The external nasal nerve is a terminal branch of the {{c1::nasociliary}} nerve
Published	04/29/2024	The mental nerve is a terminal branch of the {{c1::inferior alveolar (branch of V3)}} nerve
Published	04/29/2024	There is no {{c1::C1}} dermatome
Published	04/29/2024	The {{c1::greater}} occipital nerve arises from the {{c2::dorsal}} ramus of C2.The {{c1::lesser}} occipital nerve arises from the {{c2::ventral}} ramu…
Published	04/29/2024	Both CN {{c1::VII}} and CN {{c1::V3 (mandibular nerve)}} have buccal branches
Published	04/29/2024	The external nasal branch of V1 exits between {{c1::the nasal bone and nasal cartilage}}
Published	04/29/2024	The zygomaticofacial nerve exits through a small hole on the anterior surface of the {{c1::zygomatic}} bone, {{c1::lateral}} to the orbit
Published	04/29/2024	The buccal branch of V3 emerges from the {{c1::infratemporal fossa}}
Published	04/29/2024	The {{c1::auriculotemporal}} branch of V3 pierces the parotid gland and runs with the {{c2::superficial temporal}} artery
Published	04/29/2024	The {{c2::galea aponeurotica}} attaches to the {{c1::occipitalis}} muscle posteriorly and the {{c1::frontalis}} muscle anteriorly, and allows the scal…
Published	04/29/2024	Levator anguli oris lies {{c1::deep}} to the zygomaticus muscles
Published	04/29/2024	Platysma is considered a muscle of facial expression because it is innervated by the {{c1::cervical}} branch of the facial nerve
Published	04/29/2024	The buccinator plays a function in {{c1::eating (pushes food medially to a position between the teeth)}}
Published	04/29/2024	The buccinator is innervated by the {{c1::buccal branch of CN VII::motor innervation}}
Published	04/29/2024	Buccinator arises from the {{c1::pterygomandibular raphe}} and inserts into {{c1::orbicularis oris}}. It is covered superficially by the {{c2::buccal …
Published	04/29/2024	Loss of function of buccinator could lead to {{c1::food accumulating between the cheeks and gums}}
Published	04/29/2024	Due to the lack of a {{c1::mastoid}} process, the {{c2::facial}} nerve is vulnerable in infants. As such, the use of forceps during a difficult child …
Published	04/29/2024	{{c1::Bell's palsy}} is an idiopathic inflammation/compression of {{c2::CN VII}} leading to a loss of function.
Published	04/29/2024	The facial artery crosses the mandible immediately anterior to the {{c1::masseter}} muscle
Published	04/29/2024	The facial artery changes name to the {{c1::angular}} artery after giving off the {{c2::superior labial}} branch
Published	04/29/2024	The posterior auricular and occipital branches of the external carotid arteries arise as it passes through the {{c1::parotid gland}}
Published	04/29/2024	The supraorbital and infraorbital arteries are branches of the {{c1::ophthalmic}} artery that travel to the face
Published	04/29/2024	The veins of the face are valveless and communicate with the venous sinuses of the cranial cavity via {{c1::emissary}} veins
Published	04/29/2024	{{c1::Emissary}} veins provide routes by which infections can travel into the cranium
Published	04/29/2024	The danger triangle of the face is defined as the region between {{c1::the two corners of the mouth and the point over the glabella}}
Published	04/29/2024	The {{c1::upper}} lip lies within the danger triangle of the face
Published	04/29/2024	The {{c1::danger triangle}} of the face describes an area in which it is possible for an infection to spread to the cranial cavity
Published	04/29/2024	The {{c1::retromandibular}} vein runs through the parotid gland alongside the external carotid artery
Published	04/29/2024	The {{c1::retromandibular}} vein is formed by the junction of the {{c2::superficial temporal}} vein and the {{c2::maxillary}} vein
Published	04/29/2024	The {{c1::anterior}} division of the retromandibular vein will join the {{c2::facial}} vein to form the {{c2::common facial}} vein which will then dra…
Published	04/29/2024	The {{c1::posterior}} division of the retromandibular vein will drain into the {{c2::external jugular}} vein
Published	04/29/2024	If you see a vein posterior to the mandible and within the substance of the parotid gland then it is most definitely the {{c1::retromandibular}} vein
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Published	04/29/2024	The muscles of the {{c2::upper}} eyelid (orbicularis occuli) are innervated by the {{c1::temporal}} branch of the facial nerve
Published	04/29/2024	The muscles of the {{c2::lower}} eyelid (orbicularis occuli) are innervated by the {{c1::zygomatic}} branch of the facial nerve
Published	04/29/2024	The muscles of the lower lip and chin are innervated by the {{c1::mandibular}} branch of the facial nerve
Published	04/29/2024	The {{c1::temporal}} branches of {{c1::CN VII}} supply motor innervation to the forehead (frontalis/upper orbicularis occuli) while the {{c2::supraorb…
Published	04/29/2024	The 5 skeletal relationships of the parotid gland are:{{c1::-Ramus of mandible-Mastoid process-Styloid process-Tympanic portion of temporal bone-Stylo…
Published	04/29/2024	If the {{c1::parotid}} gland enlarges due to mumps then it may become painful to {{c2::chew or speak}}
Published	04/29/2024	The {{c1::facial}} nerve may need to be sacrificed during removal of a parotid tumor
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Published	04/29/2024	b22ddf763575402a986205c8efee5c6f-ao-1
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Published	04/29/2024	The parotid gland is divided into a superficial and deep portion by the {{c1::facial nerve}}
Published	04/29/2024	Structures that pass through the {{c1::deep}} portion of the parotid gland may become compromised during inflammation as it gets compressed between th…
Published	04/29/2024	The {{c1::external carotid}} artery and {{c1::retromandibular}} vein pass through the parotid gland
Published	04/29/2024	The parotid (Stensen's) duct pierces {{c1::buccinator}} opposite the {{c2::upper 2nd molar::tooth}} to enter the mouth
Published	04/29/2024	Parasympathetic fibers from {{c1::the otic ganglion (of CN IX)}} hitchhike on the auriculotemporal nerve and pass through the parotid gland
Published	04/29/2024	Parasympathetic ganglia of the head:{{c2::Ciliary}} from CN {{c1::III}}{{c3::Otic}} from CN {{c1::IX}}{{c4::Pterygopalatine}} from CN {{c1::VII}}{{c4:…
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