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Head and Neck Block
Blood
12
Anatomy
Kindergarten
09/29/2012
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Term
Two main structures that form the jugular vein?
 Definition
Sigmoid and inferior petrosal sinuses.
Term
What are the major veins draining the eye and where are they going to?
 Definition
-Superior ophthalmic vein to the cavernous sinus
-Inferior ophthalmic vein going to the cavernous sinus and the pterygoid plexus.
Term
What is the danger triangle of the face and what is the pathway/structures involved?
 Definition
-The medial angle of the eye, nose and lips drained by the facial vein-> sup. ophthalmic vein-> cavernous sinus
-Infection can also spread to/from pterygoid plexus through inf. opthalmic vein.
Term
Circle of Willis structures (5)?
 Definition
-Post. cerebral
-Post. communicating
-Internal carotid
-Ant. cerebral
-Ant. communicating
(NOT middle cerebral!)
Term
Typical path for infection to superior sagittal sinus from scalp?
 Definition
Deep vein of scalp-> emissary vein-> sinus
Term
Branches of external carotid (8)?
 Definition

Inf to superior

Arising in carotid triangle;

   1. Superior thyroid artery

   2. Ascending pharyngeal artery

   3. Lingual artery

   4. Facial artery

   5. Occipital artery

6. Posterior auricular artery

Terminal branches;
   7. Maxillary artery

   8. Superficial temporal artery

 

Mnemonic; Some Attendings Like Freaking Out Potential Medical Students
Term
Branches of the maxillary artery (by part)
 Definition

First or mandibular portion;

   1. Deep auricular artery

   2. Anterior tympanic artery

   3. Middle meningeal artery *(hematomas)*

   4. Inferior alveolar artery

   5. Accessory meningeal artery

Second or pterygoid portion;

   6. Masseteric artery

   7. Pterygoid branches

   8 & 9. Deep temporal arteries (anterior and posterior)

   10. Buccal artery

Third or pterygopalatine portion;

   11. Sphenopalatine artery *(terminal branch & nosebleeds)*

   12. Descending palatine artery

   13. Infraorbital artery

   14. Posterior superior alveolar artery

   15. Artery of pterygoid canal

   16. Pharyngeal artery 
Term
Arteries to nose
 Definition
*Sphenopalatine (via maxillary)
*Lat. nasal branch of facial
Ethmoidal (via opthalmic)

*(nosebleeds happen at anastamosis of first two)
Term
What 2 main veins form the pterygoid venous plexus?
 Definition
Retromandibular and facial
Term
Horner's syndrome can result in a block of blood flow from what two vessels?
 Definition
AICA & PICA
Term
Artery to eye?
 Definition
Opthalmic
Term
What are the artery and spinal nerve associations?
 Definition
-Posterior cerebral/Oculomotor/Superior cerebellar (PS3)
-Labyrinthine/Abducent/AICA (LA6)
-PICA/Accessory/Vertebral (PV11)
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