sphenoidotomy
sphenoid sinus
sphenoethmoidal recess
sphenoidectomy
sinus transversus
transverse sinus
cavernous sinus
sinus rectus
tentorial sinus
straight sinus
vena obliqua atrii sinistri
confluence of sinuses
oblique vein of the left atrium
posterior vein of the left ventricle
parasinus
vena posterior ventriculi sinistri
frontal sinus
pharyngeal recess
internal jugular vein
coversine
fenestrule
cardiac plexus
plexus cardiacus
doorcheek
epinaos
superior sagittal sinus
sinusectomy
sinus cavernosus
superior ophthalmic vein
spheroplasting
vena ophthalmica
jugular foramen
dactylostyle
sinupalliate
ophthalmic vein
sinus sigmoideus
Thebesian valve
sigmoid sinus
inferior sagittal sinus
ethmoidal sinus
sinus ethmoidales
ethmoid sinus
venae profundae clitoridis
left coronary artery
maxillary sinus
opercularization
pharyngostomy
interpalatine
superior petrosal sinus
endospore