Blood Supply to Eye:

Supplies Retina

Blood Supply to Eye:

Supplies Optic Nerve

Blood Supply to Eye:

Blood Supply to Optic Radiations

Blood Supply to Eye:

Blood Supply to Primary Visual Cortex

Vertebral Blood Supply:

Largest branch ofof vertebral arteries

Arries at caudal end of medulla on each side.

Winds between medullla and Cerebellum

Vertebral Blood Supply:

Forms the Y shape from each vertebral artery

Supplies ventral 2/3 of spinal cord

Vertebral Blood Supply:

Originiates from each vertebral artery

Supplies dorsal 1/3 of cord on each side

Blood Supply Occlusions:Medulla

Contralateral hemiplegia of the limbs

Contralateral hemiplegia of sensations

Ipsilateral deviation and paralysis of the tongue due to damage of hypoglossal nucleus or nerve

Blood Supply Occlusions:Medulla

Contralateral loss of pain and temperature sense

Ipsilateral loss of pain and temp sense of the face

Vertigo, nausea, and vomitting

Horner's Syndrome (miosis, ptosis, anhidrosis)

Blood Supply Occlusions: PONS

1) ataxia due to damage of peduncles (mid and sup)

2)Vertigo, nausea, nystagmus, deafness,  (CN8)

3)Contralateral loss of pain and temp sense of body

4)Ipsilateral pain and temp sense of face (CN5 damage

5) Ipsilateral paralysis of facial muscles and masicators (CN5 CN7)

Blood Supply Occlusions: Midbrain

Weber's Syndrome 

1)contralateral hemiplegia of tongue and limbs

2) Ipsilateral deficits in eye motor ability caused by damage to Oculomotor Nerve