Arterial Blood Supply Z
- External Carotid
- Maxillary
- Facial
- Internal Carotid
- Ophthalmic

littles area for epistaxis Z
Venous Drainage
- Facial vein β
- Internal jugular β
- Angular vein β
- Ophthalmic β
- Cavernous sinus

Lymphatic Drainage
- Submandibular
- Retropharyngeal
- Superior deep cervical
Nerve Supply Of The Nasal Cavity
- Olfactory
- General sensory: Trigeminal nerve
- Autonomic: sphenopalatine ganglion
Olfactory Nerve Supply

thalamus
(mectas-dorsals)
lateral hypothalamus
olfactory β|
receptors
pyrifal cortex (uncus)
βolfactory bulb
The central olfactory
projections
Sensory Nerve Supply
- Ophthalmic and maxillary branches of the trigeminal

Autonomic Nerve Supply
- Sphenopalatine ganglion
- Sympathetic
- Parasympathetic
