NOSE

NOSE
- External nose
  - Shape
    - pyramidal walls
      - Root of nose
      - Dorsum of nose
      - Apex of nose; tip of nose
      - Ala of nose
  - Framework
    - Cartilaginous
    - Bony
  - Supplied by
    - External nasal nerve
    - Infratrochlear
    - Infraorbital
- NASAL CAVITY
  - Naris, Nostril , External nasal aperture or external nares
  - Choana; Posterior nasal aperture
  - Divided in to two halves
    - Nasal septum
      - Median osseocartilaginous partition
      - Covered by mucous membrane
      - Features
        
        Membranous part
        
        Cartilaginous part
        
        Bony part
        
        Vomeronasal organ Jacobsoni
    - Half nasal cavity
      - Right nasal cavity
      - left nasal cavity
      - Each half
        
        Roof
        
        7 cm long and 2mm wide
        
        Anterior slope
        
        nasal part of frontal bone
        
        Nasal bone
        
        Nasal cartilage
        
        Middle part
        
        Middle horizontal plate is by cribriform plate of ethmoid
        
        Posterior slope
        
        Inferior surface of sphenoid bone
        
        Floor
        
        Formed by
        
        Palatine process of maxilla
        
        Horizontal plate of palatine bone
        
        Medial wall
        
        Nasal septum
        
        Lateral wall
- Nasal cartilages
  - Major alar cartilage
    - Medial crus
    - Mobile part of nasal septum
    - Lateral crus
  - Minor alar cartilages
  - Accessory nasal cartilages
  - Septal nasal cartilage
    - Lateral process
    - Posterior process; sphenoid process
  - Vomeronasal cartilage Jacobsoni
  - Nasal vestibule
  - Limen nasi
  - Olfactory groove
  - Cavernosus plexus of conchae
  - Mucosa; mucous membrane
    - Respiratory region
    - Olfactory region
  - Nasal glands
  - Agger nasi
  - Spheno-ethmoidal recess
- PARANASAL SINUSES
  - Maxillary sinus
  - Sphenoidal sinus
  - Frontal sinus
  - Ethmoidal cells
    - Anterior ethmoidal cells
    - Middle ethmoidal cells
    - Posterior ethmoidal cells

SKIN AND SUPERFICIAL FASCIA

Surface Anatomy

NASAL SEPTUM

Features

Arterial Supply

Venous drainage

Nerve Supply

LATERAL WALL OF NOSE

Features

Arterial Supply

Venous drainage

Nerve Supply

CONCHA AND MEATUS

Features

Arterial Supply

Venous drainage

Nerve Supply

terminology

3	Radix nasi	Root of nose
4	Dorsum nasi	Dorsum of nose
5	Apex nasi	Apex of nose; tip of nose
6	Ala nasi	Ala of nose
7	Cartilagines nasi	Nasal cartilages
8	Cartilago alaris major	Major alar cartilage
9	Crus mediale	Medial crus
10	Pars mobilis septi nasi	Mobile part of nasal septum
11	Crus laterale	Lateral crus
12	Cartilagines alares minores	Minor alar cartilages
13	Cartilagines nasi accessoriae	Accessory nasal cartilages
14	Cartilago septi nasi	Septal nasal cartilage
15	Processus lateralis	Lateral process
16	Processus posterior; processus sphenoidalis	Posterior process; sphenoid process
17	Cartilago vomeronasalis Jacobsoni	Vomeronasal cartilage Jacobsoni
18	CAVITAS NASI	NASAL CAVITY
19	Naris	Naris, Nostril
20	Choana	Choana; Posterior nasal aperture
21	Septum nasi	Nasal septum
22	Pars membranacea	Membranous part
23	Pars cartilaginea	Cartilaginous part
24	Pars ossea	Bony part
25	Organum vomeronasale Jacobsoni	Vomeronasal organ Jacobsoni
26	Vestibulum nasi	Nasal vestibule
27	Limen nasi	Limen nasi
28	Sulcus olfactorius	Olfactory groove
29	Concha nasi suprema	Highest nasal concha
30	Concha nasi superior	Superior nasal concha
31	Concha nasi media	Middle nasal concha
32	Concha nasi inferior	Inferior nasal concha
33	Plexus cavernosus conchae	Cavernosus plexus of conchae
34	Tunica mucosa	Mucosa; mucous membrane
35	Pars respiratoria	Respiratory region
36	Pars olfactoria	Olfactory region
37	Glandulae nasales	Nasal glands
38	Agger nasi	Agger nasi
39	Recessus sphenoethmoidalis	Spheno-ethmoidal recess
40	Meatus nasi superior	Superior nasal meatus
41	Meatus nasi medius	Middle nasal meatus
42	Atrium meatus medii	Atrium of middle meatus
43	Bulla ethmoidalis	Ethmoidal bulla
44	Infundibulum ethmoidale	Ethmoidal infundibulum
45	Hiatus semilunaris	Semilunar hiatus
46	Meatus nasi inferior	Inferior nasal meatus
47	Apertura ductus nasolacrimalis	Opening of nasolacrimal duct
48	Meatus nasi communis	Common nasal meatus
49	Meatus nasopharyngeus	Nasopharyngeal meatus
50	(Ductus incisivus)	(Incisive duct)
	SINUS PARANASALES	PARANASAL SINUSES
52	Sinus maxillaris	Maxillary sinus
53	Sinus sphenoidalis	Sphenoidal sinus
54	Sinus frontalis	Frontal sinus
55	Cellulae ethmoidales	Ethmoidal cells
56	Cellulae ethmoidales anteriores	Anterior ethmoidal cells
57	Cellulae ethmoidales mediae	Middle ethmoidal cells
58	Cellulae ethmoidales posteriores	Posterior ethmoidal cells