Page 8 - Edited - Webster HEAD AND NECK - part 2-Merge PDF

206 THE RELATIONS OF THE ETHMOIDAL & MAXILLARY PARANASAL AIR HN206
SINUSES TO THE NASAL CAVITY, & OF THE CAVITY TO THE OLFACTORY
BULBS OF THE BRAIN
(A) CORONAL SECTION A T (Y), HN 205 Fig B OLFACTORY BULB OF BRAIN RESTING ON
c.f. HN142 CRIBRIFORM PALATE: NERVE BUNDLES (GNI)

FRONTAL FROM OLFACTORY EPITHELIUM (XXX) PASS
THROUGH HOLES IN THE BONE.
CRISTA
GALLI

ETHMOIDAL AIR "CELLS"-
ORBIT SER SINUSES, DRAIN IN THREE
GROUPS (SHEET 127(B)).

BULLA BULLA
SEMILUNAR HIATUS

MIDDLE
ZYGOMA MAXILLARY MEATUS MAXILLARY

AIR AIR
SINUS SINUS

MAXILLA

ALVEOLAR
MARGIN
ORAL CAVITY
(B) CORONAL SECTION AT (Z), HN205 Fig.B K.E.W.

PERPENDICULAR mm = middle meatus
PLATE OF ETHMOID SER = spheno-ethmoidal recess
sm = superior meatus.
ORBIT ETHMOIDAL ORBIT
AIR SER
SINUSES ETHMOIDAL Sphenoidal
AIR
SM
SINUSES Ethmoidal
BULLA SEMILUNAR
BULLA
HIATUS
MAXILLARY SER
AIR MIDDLE Maxillary
SINUS MEATUS MAXILLARY
AIR SINUS mm

INFERIOR
MEATUS

K.E.W.
(C) SCHEME

MIDDLE PALATINE
K.E.W. CONCHA PROCESS
INFERIOR VOMER (MAXILLA).
CONCHA. (HN207).