Nose(Page 130)

Dr.Sherif Fahmy

Bony skeleton of nose

Nasal bones

Frontal process of maxilla

Nasal process of frontal bone

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NASAL CAVITY(Page 130)

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Roof & FloorDr.Sherif Fahmy

Nasal bone

Frontal bone Cribriform plate of

ethmoid

Body of sphenoid

Hard palate

Soft palate

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Nasal Septum (medial wall)

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Dr.Sherif Fahmy

Lateral Wall of Nasal Cavity

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Cartilage

Medial surface of ethmoidol labyrinthSuperior

conchaMiddle concha

Maxilla

Inferior concha

Perpendicular plate of palatine bone

Spheno-palatine foramen

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Superior concha

Middle concha

Inferior concha

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Spheno-ethmoidal recess

Sup. Concha (cut)

Superior meatus

Middle concha (cut)

Middle meatus

Inferior concha (cut) Inferior meatus

Vestibule

AtriumDr.Sherif Fahmy

Spheno-ethmoidal recess

Superior meatus

Inferior meatus

Sphenoidal air sinus

Opening of post. Ethmoidal sinus

Bulla ethmoidalis

Hiatus semilunaris

Lower end of naso-lacrimal duct

Frontal sinus

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Lining of Nasal CavitySkin: at vestibule.Olfactory mucosa: at upper 1 cm of nasal septum, spheno-ethmoidal recess and superior concha.Respiratory mucosa: lines the rest of the cavity.

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Blood & Nerve Supply of Nasal Cavity

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Anterior ethmoidal a.Post. Ethmoidal a.Spheno-

palatine art.

Greater palatine a.

Anterior superior alveolar

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Area of Epistaxis (Little’ Area)

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Dr.Sherif Fahmy

Anterior ethmoidal nerveOlfactory nerves

Medial nasal

Lateral nasal

Greater palatine n. Anterior superior

alveolar n.

Dr.Sherif Fahmy

Dr.Sherif Fahmy

Dr.Sherif Fahmy

Paranasal Sinuses(Page 138)

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Frontal sinuses

Ethmoidal sinuses

Maxillary sinuses

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Frontal sinus

Ethmoidal sinuses

Sphenoidal sinus

Maxillary sinus

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Maxillary Sinus(Page 138)

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Dr.Sherif Fahmy

Dr.Sherif Fahmy

Opening of maxillary sinus

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Spheno-palatine art

Posterior superior alveolar art.

Infra-orbital art.

Anterior superior alveolar art.

Middle superior alveolar art

Dr.Sherif Fahmy

Dr.Sherif Fahmy

Joints of Atlas and Axis(Page 162)

Dr.Sherif Fahmy

ATLANTO-OCCIPITALAND

ATLANTO-AXIALJOINTS

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Atlanto-occipital J.

Dr.Sherif Fahmy

Dr.Sherif Fahmy

Superior aspect of atlas

Facet for dens of axis Superior articular process

Transverse ligament of atlas

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Anterior arch of atlas

Anterior longitudinal ligament

Anterior atlanto-occipital membrane

Occipital bone of skull

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External occipital protuberance

Posterior atlanto-occipital membranePosterior aspect

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Atlanto-axial J.

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Superior aspect of atlas

Facet for dens of axis Superior articular process

Transverse ligament of atlas

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Transverse ligament of atlas

Dens of axis

Superior aspect of median atlanto-axial joint

Anterior arch of atlas

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Transverse ligament of atlas Alar

ligament

Lateral atlanto-axial joint

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Dr.Sherif Fahmy

Posterior longitudinal lig.

Membrana tectoria

Transverse lig.

Inf. Longitudinal lig.

Sup. Longitudinal lig.

Cuci

form

liga

men

tAlar ligaments

Anterior aspect with removed anterior parts of vertebrae

Basilar part of occipital bone

Dr.Sherif Fahmy

Membrana tectoria (cut)

Membrana tectoria (cut)Superior longitudinal

lig. (cut)

Apical ligament

Alar ligament

Accessory atlanto-axial ligament

Transverse ligament

Clivus

Dr.Sherif Fahmy

Posterior longitudinal lig.

Membrana tectoria

Transverse lig.

Inf. Longitudinal lig.

Sup. Longitudinal lig.

Cuci

form

liga

men

tAlar ligaments

Anterior aspect with removed anterior parts of vertebrae

Basilar part of occipital bone

Dr.Sherif Fahmy

Membrana tectoria (cut)

Membrana tectoria (cut)Superior longitudinal

lig. (cut)

Apical ligament

Alar ligament

Accessory atlanto-axial ligament

Transverse ligament

Clivus

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Transverse ligament of atlas

Dens of axis

Superior aspect of median atlanto-axial joint

Anterior arch of atlas

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Transverse ligament of atlas Alar

ligament

Lateral atlanto-axial joint

Dr.Sherif Fahmy