Practical figures Dentate nucleus Superior cerebellar peduncle Blood

Practical figures

Dentate nucleus

Superior cerebellar peduncle

Blood supply of the brain Lab 6

ICA Post cerebral artery Sup Cerebellar A Basilar A Ant inf cerebellar A Post inf cerebellar A Ant spinal A Middle cerebral artery Vertebral artery

Spinal cord sections Lab 2

Cervical segment Posterior white column Fasciculus gracilis Fasciculus cuneatus Substantia gelatinosa Nucleus proprius Lateral white column Lateral group (UL) Accessory nucleus Anterior white column Medial group (neck) Anterior median fissure

Lumbosacral segment Fasciculus gracilis Substantia gelatinosa Nucleus proprius Lateral horn (PREGANGLIONIC PARASYMPATHETIC (S 2 -S 3 -S 4) Motor neurons (LL muscles) Motor neurons (trunk muscles)

Thoracic segment Fasciculus gracilis Fasciculus cuneatus Substantia gelatinosa Nucleus proprius Nucleus dorsalis Lateral horn (PREGANGLIONIC SYMPATHETIC) Motor neurons (trunk muscles)

1: Anterior Median Fissure; 2: Pia Mater; 3: Denticulate Ligaments; 4: Arachnoid and Dura Mater (reflected); 5: anterior Spinal Blood Vessel; 6: Dorsal Root of spinal Nerve; 7: Ventral Root of spinal Nerve.

A: CAUDA EQUINA B: SPINAL GANGLION

Brain stem sections Medulla oblongata Lab 4

Medulla at level of pyramidal decussation Fasiculus gracilis Fasiculus cuneatus Spinal nucleus of trigimenal nerve Central canal pyramidal decussation pyramid

Medulla at level of sensory decussation Nucleus gracilis Nucleus cuneatus Central canal Spinal nucleus of trigimenal nerve Internal arcuate fibers Medial leminiscus pyramid

Medulla at level of olives Dorsal vagal nucleus Hypoglossal nucleus 4 TH VENTRICLE ICP MLF RF Medial leminiscus Inferior olivary nucleus pyramid Solitary nucleus

Exam

Brainstem sections Pons and Midbrain Lab 5

Pons at level of facial colliculus Facial colliculus Abducens nucleus facial nerve MCP MLF MESENCEPHALIC trigiminal tract Spinal trigiminal nucleus and tract Anterior spinocerebellar tract Lateral leminiscus Central tegmental tract Spinal leminiscus Tectospinal tract Pontocerebellar fibers (transverse fibers) Corticospinal tract Medial leminiscus Trapezoid body Pontine nuclei

Pons at level of trigiminal MLF Motor trigeminal nucleus Principle trigeminal sensory nucleus SCP MESENCEPHALIC trigeminal tract Anterior spinocerebellar tract Central tegmental tract Lateral leminiscus MCP Spinal leminiscus Medial leminiscus Corticospinal tract

Midbrain at level of inferior colliculus Inferior colliculus Periaqueductal gray Trochlear nucleus Lateral leminiscus MLF Spinothalamic tract Central tegmental tract Medial leminiscus Substantia nigra Crus cerebri Decussation of SCP

Midbrain at level of superior colliculus Cerebral aqueduct Brachium of inferior colliculus Periaqueductal gray Occulomotor nucleus Spinothalamic tract Medial leminiscus Red nucleus Corticospinal tract Occulomotor nerve Substantia nigra