anatomy of nose

16
ANATOMY OF NOSE pgmedicalworld.com

Upload: entdost

Post on 25-May-2015

1.413 views

Category:

Health & Medicine


6 download

TRANSCRIPT

Page 1: Anatomy of nose

ANATOMY OF NOSE

pgmedicalworld.com

Page 2: Anatomy of nose

PARTS OF NOSE

pgmedicalworld.com

Page 3: Anatomy of nose

External nose:

• Osteocartilagenous framework•bony part•cartilaginous part

• Nasal musculature

• Nasal skinpgmedicalworld.com

Page 4: Anatomy of nose

OSTEOCARTILAGINOUS FRAMEWORK

pgmedicalworld.com

Page 5: Anatomy of nose

Internal nose:

• Vestibule of nose

• Nasal cavity proper• Lateral wall• Medial wall• Roof• Floor• Choanae

pgmedicalworld.com

Page 6: Anatomy of nose

LINING MEMBRANE OF INTERNAL NOSE

• Vestibule:-− Lined by skin containing hair, hair follicles,

sebaceous glands.

• Olfactory region:-− Mucous membrane.

• Respiratory region:-− Mucous membrane shows varible thickenings.

pgmedicalworld.com

Page 7: Anatomy of nose

Lateral wall

pgmedicalworld.com

Page 8: Anatomy of nose

Structures on lateral wall of nose

pgmedicalworld.com

Page 9: Anatomy of nose

Medial wall• Columellar septum

• Membranous septum

• Septum proper

pgmedicalworld.com

Page 10: Anatomy of nose

Roof •Anterior slope

•Middle horizontal

•Posterior slope

•Ant. 3/4th formed by palatine process of the maxilla•Post. 1/4th formed by the palatine bone.

Floor

pgmedicalworld.com

Page 11: Anatomy of nose

Arterial supply

pgmedicalworld.com

Page 12: Anatomy of nose

Venous drainage

pgmedicalworld.com

Page 13: Anatomy of nose

Nerve supply

pgmedicalworld.com

Page 14: Anatomy of nose

NERVE SUPPLY

• Olfactory nerves

• Nerves of common sensation• Ant. Ethmoidal nerve• Branches of sphenopalatine ganglion• Branches of infra-orbital nerve

• Autonomic nerves• Parasympathetic-greater superficial petrosal

nerve• Sympathetic-from T1 & T2

pgmedicalworld.com

Page 15: Anatomy of nose

LYMPHATIC DRAINAGE

• From ext. nose & ant. Part of the nasal cavity : into submandibular nodes.

• Rest of the nasal cavity : upper jugular nodes either directly or through the retropharyngeal nodes.

pgmedicalworld.com

Page 16: Anatomy of nose

THANK YOU

pgmedicalworld.com