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NOSE (Part of Respiratory Tract, dropped image link, Made of Bone &…
NOSE
Part of Respiratory Tract
Made of Bone & Cartilage
FUNCTIONS
OLFACTION
RESPIRATORY PASSAGE WAY
FILTRATION
OUTLET FOR LACRIMAL & SINUS SECRETIONS
PROTECTION OF LOWER AIR WAY TRACT
IMMUNE DEFENSE SYSTEM
HUMIDIFICATION
VOCAL RESONANCE
VENTILATION & DRAINAGE OF PARANASAL SINUSES
NASLA RESISTANCE
TASTING
NASAL REFLEX FUNCTIONS
AIR CONDITIONING
BONE ANATOMY
Palatine Bone
Ethmoid Bone
Nasal Bones
PreMaxillary Bone
lacrimal Bone
Vomer Bone
Frontal Bone
Roof of Mouth
Ascending Processes of the Maxilla
NASAL MUCOSA
Moist Mucous Membrane
Traps foreign particles
Cilia
Hair like Projections
Protects Debris Protects Lungs
Cartilaginous Septum
Bony Septum
Bony Floor
Septum Nasi
SOFT TISSUE
NASAL MUSCLES
Depressor muscle group
Alar nasalis muscle and the depressor septi nasi muscle
Compressor muscle group
Nasalis muscle
Elevator muscle group
Procerus muscle
Dilator muscle group
Dilator naris muscle
NASAL LINING
Mucous membrane of squamous epithelium
Seromucinous glands
Columnar respiratory epithelium
Ciliated lash-like tissue
STRUCTURE
2 Nostrils , Organs of Smell & Passageway of Air
SINUS CAVITIES
Intricate system of Canals & Air pockets
Pharynx Back of the Throat
Nasopharynx=Roof the Mouth+ floor of the Nose= the Nasal Portion of the Throat
Connected to the Eye > Nasolacrimal Ducts
Connected to the Middle Ear > Eustachian Tubes
CARTILAGINOUS PYRAMID
