Anatomy Flashcards
Where is the carotid sinus?
Situated on the internal carotid artery
What is the function of the carotid sinus?
Contains baroreceptors that regulate blood pressure
What is sibson’s fascia?
A suprapleural membrane of fibrous connective tissue that acts as a barrier to prevent intrapleural pressure changes
What are three branches of the aortic arch?
Left subclavian artery
Left common carotid
Right brachiocephalic
What are three branches of the 1st part of the subclavian artery?
Vertebral artery
Thyrocervical artery
Internal thoracic artery
What is a branch of the 2nd part of the subclavian artery?
Costocervical artery
What is a branch of the third part of the subclavian?
Dorsal scapular artery
What are two neurotransmitters in the Autonomic Nervous System?
Acetylcholine
Noradrenaline
What are the three features of the presentation of Horner’s Syndrome?
Constriction of pupil (miosis)
Drooping of superior eyelid (ptosis)
Anhydrosis
What do scalp infections spread by?
Emissary veins
Why does lymph in the scalp and external ear drain to?
Parotid and mastoid nodes
What are the three parts of the brainstem?
Midbrain
Pons
Medulla
What are the three cranial meningues?
Dura mater
Arachnoid mater
Pía mater
What is the function of the dura mater?
Limits movement of the brain
Where does the insula lie?
Beneath the lateral sulcus