1. FORAMINA OF PALATE AND NASAL CAVITY

2. FORAMEN
ROTUNDUM –
CN V2

3. V1 V2 V3
TRIGEMINAL
(SEMILUNAR)
GANGLION

5. PTERYGO-
MAXILLARY
FISSURE –
LEADS TO
PALATINE
FOSSA

6. V2 - MAXILLARY - GSA Inferior Orbital Fissure Pterygomaxillary Fissure
Post. Sup
Alveolar For.

7. V2 - MAXILLARY - GSA Nose Infraorbital Zygomatic Post Sup. Alveolar
3. Posterior
Superior Alveolar
Maxillary molar teeth
4. Infraorbital
Lower eyelid, nose, upper lip
a) Ant. & Mid Sup
Alveolar
Other Maxillary teeth
5. Zygomatic
Skin of check
Post
Sup. Alveolar

8. POSTERIOR
SUPERIOR
ALVEOLAR
FORAMINA –
IN MAXILLARY
BONE –
CONNECT
INFRATEMP.
FOSSA TO
MAX TEETH
POST. SUP.ALV.
N., A., V.

9. PTERYGO-
MAXILLARY
FISSURE –
LEADS TO
PALATINE
FOSSA
FORAMEN
OVALE
FORAMEN
SPINOSUM

10. FORAMEN
OVALE
NOSE
FORAMEN
SPINOSUM
MIDDLE
MENINGEAL A.
POSTERIOR
SUPERIOR
ALVEOLAR N. V2
INFERIOR
ALVEOLAR
N. (V3)
LINGUAL N. V3

12. V2 - MAXILLARY - GSA 1. Meningeal Branch Dura of Middle Cranial Fossa
2. Ganglionic branches
a) Greater Palatine N.
Hard Palate
b) Lesser Palatine N.
Soft Palate
c) Nasopalatine
Nasal Cavity
Ant. part of hard Palate
d) Nasal Branches
Nasal
Branches V2
Naso-
Palatine
Greater
Palatine
Lesser
Palatine
Note: V2 branches from Pterygopalatine Fossa to Nasal Cavity are deep and can only be seen on bisected head

13. BASE OF CRANIUM FROM EXTERNAL SIDE
HARD
PALATE
C)HARD PALATE-HORIZONTAL PLATE OF PALATINE BONES & PALATINE PROCESS OF MAXILLARY BONES
B)OCCIPITAL BONE- HAS FORAMEN MAGNUM- SPINAL CORD; OCCIPITALCONDYLES- FOR C1-ATLAS
OCCIPITAL CONDYLE
FORAMEN MAGNUM

14. HAMULUS OF MEDIAL PTERYGOID
PLATE
MEDIAL AND
LATERAL
PTERYGOID
PLATES
EXTERNAL
AUDITORY
MEATUS

15. NASAL CAVITY
SPHENO-
PALATINE
FORAMEN

16. D. NERVES of NASAL CAVITY
1.Olfactory N. - SVA smell; Olfactory Area
2.General Sensation -
GSA touch, pain, etc.
- V1 Anterior Ethmoidal N.
- V2 Nasal Branches
- V2 Nasopalatine N.
3. Mucous Glands of nose - GVE - VII - Facial N. by Pterygopalatine Ganglion (hitchhike with branches of V)
OLFACTORY N.
PTERYGO-
PALATINE
GANGLION
ANT.
ETHMOIDAL N.
NASAL
BR.
NASOPALATINE N.
OLFACTORY AREA = area of Olfactory nerve endings
RESPIRATORY AREA = rest of nasal cavity

17. E. and F. ARTERIES/VEINS, LYMPHATICS
SPHENO-
PALATINE A.
ANT.
ETHMOIDAL A.
1. Arteries
a. Sphenopalatine Artery
- from Maxillary A.
b. Ant. & Post Ethmoidal A.
- from Ophthalmic A.
c. Branches of facial A.
br. of
FACIAL A.
2. Veins
a. Ethmoidal vein
drain to Ophthalmic v.
b. Other branches
Pterygoid Venous Plexus
c. Facial Vein
F. Lymphatics- Retro- pharyngeal Nodes
Note: Epistaxis (nosebleed) can be extensive due to Anastomoses – Spurting if arterial

18. III. PALATE B. Anatomy 1. Hard Palate a. Maxillary
Bones (palatine process)
b. Palatine bones (horizontal plate)
INCISIVE
FORAMEN

19. INCISIVE
FORAMEN

20. GREATER
PALATINE
FORAMEN
LESSER
PALATINE
FORAMEN

21. ARTERIES, NERVES AND LYMPHATICS
Nasopalatine N
3. Blood Supply
a. Descending Palatine
Artery (from Maxillary A.) - divides to
-- Greater Pal. A. – hard palate
Lesser Pal. A. – soft palate
b. Ascending Palatine Artery (from facial A.)
4. Nerves- from V2 – sensory
a. Greater Palatine N.
& Nasopalatine N.—hard
Palate
b. Lesser Palatine—Soft Palate
5. Lymphatics—Retropharyngeal Nodes

22. PETRO-
TYMPANIC`
FISSURE