Anatomy Practical 2 Flashcards
Where is the sphenoid bone
It is in the middle cranial fossa
What are the attachment sites for the dura on the sphenoid bone
Anterior and posterior clinoid processes
What is posterior to the sella turicia
There is the clivus this then slopes down to the foramen magnum where the spinal cord exits the skull
What foramen does the opthalmic nerve pass
Optic canal
What foramen does the maxillary nerve pass
Foramen roduntum
What foramen does the mandibular nerve pass
Foramen ovale
What foramen do the occulomotor, trochlear, opthalmic and abducrns nerve all exit
Superior orbital fissure
What are infrahyoid muscles important for
The movement of the tongue and larynx
Name the infrahyoid muscles
Sternocleidmastoid Omohyoid Sternohyoid Sternothyroid Thyrohyoid
Where does the omohyoid attach
Inferior belly attaches to the suprascapular notch
Where is the thyroid gland
It is positioned on the trachea between the oblique line of the thyroid cartilage and the fourth or fifth tracheal ring
What does the thryoid cosist of
Left and right love
Isthmus
Sometimes a pyramidal lobe
What does the thyroid blood supply
Superior thyroid artery - from ECA
Inferior thyroids artery from thryocervical branch of the subclavian artery
Venous drainage from the superior, middle and inferior veins
Where do the superior and middle thyroid veins drain into
The internal jugulsr vein
Where does the inferior thyroid vein drain into
Bracheiocephallic
