Palate PALATE Palate is the roof of mouth that seperates oral cavity from nasal cavity. It has 2 parts: HARD PALATE( Bony) SOFT PALATE( Muscular) DEVELOPMENT: Initially, during the 6th week of intrauterine development, there is a common oro-nasal cavity bounded anteriorly by the primary palate and occupied mainly by the developing tongue Formation of […]
PALATE Q. 1 The sensory supply of the palate is through all of the following, EXCEPT? A Facial nerve B Hypoglossal nerve C Glossopharyngeal nerve D Maxillary division of trigeminal nerve Q. 1 The sensory supply of the palate is through all of the following, EXCEPT? A Facial nerve B Hypoglossal nerve C Glossopharyngeal nerve
Foramens of skull SKULL: The human skull has numerous holes (foramina) through which cranial nerves, arteries, veins and other structures pass. Nasopalatine nerve Rami nasales posteriores superiores (V2) Bone Cranial fossa Foramina Vessels Nerves Frontal – Supraorbital foramen Supraorbital artery, supraorbital vein Supraorbital nerve Frontal Anterior cranial fossa Foramen cecum Emissary veins to superior sagittal sinus from the upper part of
FORAMENS OF SKULL Q. 1 Structure passing through Foramen Ovale is? A Maxillary artery B Mandibular nerve C Middle meningeal artery D Spinal accessory nerve Q. 1 Structure passing through Foramen Ovale is? A Maxillary artery B Mandibular nerve C Middle meningeal artery D Spinal accessory nerve Ans. B Explanation: Mandibular nerve Q. 2 Structure
Lateral nasal wall LATERAL NASAL WALL Has 3 bony projections called as turbinates or conchae. Irregular due to pressence of 3 conchae. Seperates the nose from: Above orbit Below maxillary sinus Front Lacrimal groove & naolacrimal canal Subdivided into: Vestibule small depressed area in ant. Atrium of middle meatus in middle Posterior contains conchae Bony part: Nasal Frontal process
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LATERAL NASAL WALL Q. 1 All open into hiatus semilunaris except A Posterior ethmoid sinus B Anterior ethmoid sinus C Frontal sinus D Maxillary sinus Q. 1 All open into hiatus semilunaris except A Posterior ethmoid sinus B Anterior ethmoid sinus C Frontal sinus D Maxillary sinus Ans. A Explanation: Q. 2 Paranasal sinuses communicate
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Nasal septum/ medial nasal wall INTRODUCTION: The nasal septum separates the left and right airways in the nose, dividing the two nostrils. It is depressed by the depressor septi nasi muscle. ANATOMY: Columellar septum It is formed of columella. Containing the medial crura of alar cartilages united together by fibrous tissue. Membranous septum: It lies b/w columella and caudal border of septal cartilage No
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NASAL SEPTUM/ MEDIAL NASAL WALL Q. 1 Kiesselbach’s area does not involve _____ A Anterior ethmoidal artery B Posterior ethmoidal artery C Sphenopalatine artery D Greater palatine artery Q. 1 Kiesselbach’s area does not involve _____ A Anterior ethmoidal artery B Posterior ethmoidal artery C Sphenopalatine artery D Greater palatine artery Ans. B Explanation:
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Acanthamoeba keratitis ACANTHAMOEBA KERATITIS Acanthamoeba castellani is the most common cause. Does not require a human host to complete the life cycle —free living amoeba In human, acanthamoeba causes: Keratitis Granulamatous encephalitis Fulminant meningoencephalitis Risk factors: Contact lens wearers using home-made saline is the most common cause in developed countries Trauma with contaminated vegetable matter — mcc in
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ACANTHAMOEBA KERATITIS Q. 1 A 17 year old girl with keratitis and severe pain in the eye came to the hospital and acanthamoeba keratitis was suspected. The patient gave the history of following 4 points. Out of these which is not a risk factor for acanthamoeba keratitis. A Extended wear contact lens. B Exposure to
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