Anatomy Pre-Practical 1 Flashcards
Do the nasal or temporal fibres from the optic nerve cross at the chiasm?
Nasal
In relation to the trachea where is the isthmus located?
2nd-4th rings
What is the superior thyroid artery the first branch of?
ECA
What is the inferior thyroid artery a branch of?
Subclavian
Can the parathyroid be seen with the need eye?
No
What are the main two arteries supplying the thyroid and parathyroid?
Superior and inferior thyroid arteries
What are the 3 main strap muscles?
Sternohyoid
Omohyoid
Sternothyroid
What nerve runs close to the superior thyroid artery? Which nerve is this a branch of?
External laryngeal nerve, a branch of the superior laryngeal n
What nerve runs close to the inferior thyroid artery? What nerve is this a brach of? What groove does it run in?
Recurrent laryngeal nerve
Vagus nerve CNX
Trachea-oesophageal groove
What does the external laryngeal nerve innervate?
Cricothyroid muscle (which tightens the vocal cords) and the pharyngeal plexus
What does the recurrent laryngeal nerve innervate?
The larynx below the vocal cords
What is the name of the central part of the suprarenal glands?
Medulla
What is the name of the outer part of the suprarenal glands?
Cortex
What are the three pairs of suprarenal arteries which supply the suprarenal glands? From where do they originate?
Superior - inferior phrenic A
Middle - Aorta
Inferior - renal As
How many suprarenal veins are there on each side? Where do they drain
1
L to IVC
R to L renal V
