how to draw different sections of the brain stem sanjaya adikari department of anatomy
TRANSCRIPT
How to draw different sections
of the brain stem
Sanjaya AdikariDepartment of Anatomy
Anterior surface
Posterior surface
Main nerve tracts in the spinal cord
A B
G
C
DEF
A. Posterior white columns
B. Lateral corticospinal tract
C. Anterior & posterior spinocerebellar tracts
D. Anterior & posterior spinothalamic tracts
E. Olivospinal, vestibulospinal, tectospinal tracts
F. Anterior corticospinal tract
G. Rubrospinal tract
Closed medulla at the level of decussation of pyramids
Fasciculus gracilis
Fasciculus cuneatus
Nucleus gracilis
Nucleus cuneatus
Spinal tract of trigeminal nerve
Spinal nucleus of trigeminal nerve
Decussation of pyramids
Pyramid
Posterior spinocerebellar tract
Anterior spinocerebellar tract
Spinothalamic tract
Spinal root of the accessory nerve
Central canal
Medial longitudinal fasciculus
Closed medulla at the level of decussation of medial lemnisci
Fasciculus gracilis
Fasciculus cuneatus
Nucleus gracilis
Nucleus cuneatus
Spinal tract of trigeminal nerve
Spinal nucleus of trigeminal nerve
Decussation of medial lemnisci
Pyramid
Posterior spinocerebellar tract
Anterior spinocerebellar tract
Spinothalamic tract
Hypoglossal nerve
Spinal root of the accessory nerve
Central canal
Medial longitudinal fasciculus
Medulla Oblongata at the level of middle of the olivary nucleiInferior medullary velum
Cavity of 4th ventricle
Inferior cerebellar peduncle
Vestibular & cochlear nuclei
Olivary nucleus
Olive
Pyramid
Anterior spinocerebellar tract
Spinothalamic tract
Spinal tract & nucleus of trigeminal nerve
Vagus nerve
Hypoglossal nerve
Reticular formation
Medial longitudinal fasciculus
Tectospinal tract
Medial lemniscus
Pons at the level of facial colliculus
Superior medullary velumCavity of 4th ventricle
Inferior cerebellar peduncle
Spinal lemniscus
Reticular formation
Medial lemniscus
Superior cerebellar peduncle
Spinal tract & nucleus of trigeminal nerve
Medial longitudinal fasciculus
Facial colliculus
Abducent nerve
Facial nerve
Pontine nuclei
Transverse pontine fibres
Corticospinal & corticonuclear fibres
Vestibular nuclei
Midbrain at the level of inferior colliculus
Trochlear nerve
Inferior colliculus
Cerebral aqueduct
Medial longitudinal fasciculus
Mesencephalic nucleus of trigeminal nerve
Trigeminal lemniscus
Spinal lemniscus
Medial lemniscus
Substantia nigra
Cerebral peduncle
Decussation of superior cerebellar pedunclesInterpeduncular fossa
Reticular formation
Periaqueductal Gray Matter
Midbrain at the level of superior colliculus
Oculomotor nerve
Superior colliculus
Cerebral aqueduct
Medial longitudinal fasciculus
Mesencephalic nucleus of trigeminal nerve
Trigeminal lemniscus
Spinal lemniscus
Medial lemniscus
Substantia nigra
Cerebral peduncle
Red nucleus
Reticular formation
Periaqueductal Gray Matter
PPRF = Paramedian pontine reticular formation
Medial longitudinal fasciculus