Part I Head, Neck, Brain and Spinal Cord

B. Semilunar hiatus, with extensive removal of the superior and middle nasal conchae – from the right

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Inferior meatus
Ethmoidal bulla
Ethmoidal air cell
Middle nasal concha
Middle meatus
Spheno-ethmoidal recess
Hard palate
Pituitary gland
Sphenoidal sinus
Opening of auditory tube
Base of superior nasal concha
Semilunar hiatus
Soft palate
Aperture of maxillary sinus
Superior meatus
Inferior nasal concha
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Pituitary gland
Sphenoidal sinus
Ethmoidal air cell
Spheno-ethmoidal recess
Base of superior nasal concha
Superior meatus
Middle nasal concha
Ethmoidal bulla
Semilunar hiatus
Aperture of maxillary sinus
Middle meatus
Inferior nasal concha
Inferior meatus
Opening of auditory tube
Soft palate
Hard palate