Head and Neck anatomy

clot that 'escapes' and floats around the vessels and blocks blood flow. causes heart attacks and strokes

small amounts of blood escaping into surrounding tissue. bruising

communicating channels between blood vessels (internal and external jugular veins)

cushions the maxillary artery during mastication. It can drain or fill to reduce the pressure. You can hit it when giving local anesthetic, and it ieasy to spread infection to the brain from here

large collection of blood vessels

clot that stays put

blood filled space between 2 layers of tissue

bacteria in the blood that can spread fast through anastomosis

large amount of blood escapes the vessel. bleeding

a vascular lesion consisting of plaques of chlesterol build up on the walls of arteries that narrow or block it

innervates muscles of facial expression, passes through the parotid gland, but does NOT innervat it.

facial nerve has a branch called the_____________ that innervates the sublingual and submandibular salivary glands

nervous system disorder that is usually caused by a stroke or injury to the facial nerve. You can injur the facial nerve during the IA injection if administored incorrecty, but it is usually only transient

nervous system disorder defined as idiopathic facial paralysis, it has an abrupt onset, and can be permanent

nervous system disorder that presesnts excrutiating short term pain caused by touching trigger zones which vary, but can include areas around the eye and ala of the nose. Idiopathic, and treated by killing the nerve

big clump of branches of blood vessels that go to the brain, keeps you alive if there's a stroke because it supplies and gives many different pathways in the brain

Which nerve may be bifid and seen on radiographs?

nerve just distal of 3rd molars and can be endangered during extractions

nerve that can cross over to the other side of the mandible and make anesthesia difficult to achieve

What are 3 purposes of sinuse?

Sinuses have a/an_________ lining

spaces within the frontal bone

spaces (deeper) within the ethmoid bone

spaces wthin the sphenoid

spaces within the maxilla

What are the 4 different sinuses?

the act of lifting the sinus by dding more bone underneath

How is a sinus lift achieved? And what is it needed for?

inflammation of the sinus

What can be mistaken for a tooth ache?