Triangles Subdivisions Boundaries Floor Contents Clinical relevance Anterior Digastric (submandibular) – further subdivided into 3 small triangles:a. Lesser’sb. Pirogov’sc. Beclard’s 2 digastric belliesMandible Mylohyoid Submandibular…
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Course Origin: Ponto-medullary junction (Nucleus solitarius, Facial nucleus and Superior salivatory nucleus) Internal acoustic meatus: 7 up, Coke down Facial canal: After exiting skull from…
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Muscles Intrinsic Extrinsic Alter the shape of tongue Attaches tongue to the bone Mnemonic: VIST Mnemonic: Paris St. German Hour 1. Vertical 1. Palatoglossus (Palate)…
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Extrinsic muscles Nerve supply: Ansa cervicalis (CN XII + C1, C2, C3) Infrahyoid muscles (Depressors of larynx): Mnemonic: TOSS Suprahyoid muscles (Elevators of larynx): Mnemonic:…
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Arterial supply Arterial anastomosis Venous drainage The venous plexus lies beneath the true capsule (peripheral condensation of fibrous stroma of gland). Hence, during thyroidectomy, thyroid…
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Superficial cervical fascia Contents: Deep cervical fascia or Fascia colli 1. Investing layer 2. Pretracheal layer 3. Carotid sheath: Formed anteriorly by pretracheal fascia and…
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Relations Anterior: 3 “M” Posterior: Mastoid and attachments Medial (Parotid bed): VANS Structures traversing the parotid gland Mnemonic: FACER Parotid gland innervation 1. Parasympathetic: Secretomotor…
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Lateral wall of nasal cavity has: Mnemonic: SPIN 1. Superior meatus: Posterior ethmoidal sinus 2. Inferior meatus: Nasolacrimal duct The sphenoidal sinus drains into spheno-ethmoidal…
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