Term
| Sphenopalatine Foramen Contents |
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Definition
Sphenopalatine A, N
Posterior Superior Nasal Branches |
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Term
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Definition
Nasopalatine N
Greater Palatine A |
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Term
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Definition
Olfactory Fila
Post. Ethmoidal A,V |
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Term
| Anterior Ethmoidal Canal Contents |
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Definition
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Term
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Definition
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Term
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Definition
| internal nasal br.s of infraorbital n, alar and septal br.s of superior labial and lateral nasal aa |
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Term
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Definition
| inferior nasal br.s of greater palatine n |
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Term
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Definition
1. Anterior Ethmoidal Canal
2. Foramen Caecum
3. Cribiform Plate
4. Sphenopalatine Foramina
5. Small Foramina
6. Incisive Canal
7. Naris |
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Term
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Definition
| Frontal, Maxillary, Sphenoidal, Ethmoidal Air Cells |
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Term
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Definition
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Term
| Paranasal Sinus Related to olfaction |
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Definition
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Term
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Definition
| Bulging of middle ethmoidal air cells |
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Term
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Definition
It is the location of the openings for the frontal sinus, maxillary sinus, and anterior ethmoidal sinus.
Anterior to ethmoidal bulla |
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Term
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Definition
| Swelling of nasal mucosa, especially inferior nasal concha |
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Term
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Definition
| Infected/inflamed mucosa of paranasal sinuses |
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Term
| Nasal Cavity Routes of Infection |
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Definition
Anterior cranial fossa via cribriform plate
Nasopharynx and retropharyngeal space
Middle ear via pharyngotympanic tube
Paranasal sinuses
Orbit via lacrimal apparatus |
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Term
| Sphenoidal Sinus Routes of Infection |
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Definition
| Pituitary fossa and cavernous sinus |
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Term
| Paranasal Sinuses Routes of Infection |
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Definition
| Orbit, causing anything from swelling of the eyelid to intraorbital abscess and consequent blindness |
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Term
| Frontal, ethmoidal and sphenoidal sinuses routes of infection |
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Definition
| the cranial cavity, causing meningitis, intracranial abscess |
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Term
| Functional Endoscopic Sinus Surgery (FESS) |
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Definition
preferred method to correct chronic sinusitis.
Enlarge the natural drainage channels (used to make big, artificial holes in the walls of the sinus). |
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Term
| Transnasal Transsphenoidal (TNTS) surgery |
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Definition
preferred method of removing pituitary tumors or cysts.
Approach is through the sphenoid sinus.
It is the least traumatic route to the sella turcica (pituitary fossa). |
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Term
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Definition
Branches of the ophthalmic n (V1):
Anterior lateral, septal, and external nasal branches of anterior ethmoidal n (from nasociliary n)
Posterior ethmoidal n (ethmoidal air cells)
Branches of the maxillary n (V2) |
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Term
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Definition
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Term
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Definition
Pterygopalatine ganglion: postganglionic fibers distributed with branches of V2
Parasympathetics (secretomotor to mucosal glands) originally from VII
Sympathetics (blood flow in mucosa) originally from internal carotid plexus |
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Term
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Definition
Branches of the external carotid artery:
Maxillary artery
Sphenopalatine artery Posterior lateral nasal and posterior septal branches
Greater palatine artery
Facial artery
Superior labial artery Alar and septal branches
Lateral nasal artery Alar branches
Branches of the internal carotid artery:
Ophthalmic artery
Anterior ethmoidal artery Anterior septal, anterior lateral nasal, and external nasal branches
Posterior ethmoidal artery |
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Term
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Definition
1. Anterior - Kiesselbach's plexus
2. Posterior - Sphenopalatine A. (more serious) |
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Term
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Definition
Nasal Vein (foramen cecum)
Cavernous Sinus
Ptyergoid Plexus
Facial Vein |
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