Anatomy of Pons. Use these slides to explain these figures in class.

1. PONS
BY-
Dr.VARSHA GUPTA
JUNIOR RESIDENT
DEPT.OF RACHANA SHARIR
BHU

2. PONS- EXTERNAL FEATURES
 SYNONYMS- Bridge,
Metencephalon
 POSITION- Cranial end of Medulla to
Cerebal peduncles of midbrain.
 LENGTH- 2.5 cm long

3. CONTD…
2 Surfaces, 2 Borders
OCULOMOTOR NERVE
TROCHLEAR NERVE
SUPERIOR BORDER
INFERIOR BORDER
POSTERIOR SURFACE ANTERIOR SURFACE

4. INTERNAL STRUCTURES
VENTRAL / BASILAR
DORSAL / TEGMENTAL
PONTINE NUCLEUS
LATERAL LEMINISCUS
MEDIAL
LEMINISCUS
T.S. OF LOWER PONS

5. MAIN SENSORY NUCLEUS OF
TRIGEMINAL NERVE
MOTOR NUCLEUS OF
TRIGEMINAL NERVE
SUPERIOR CEREBELLAR
PEDUNCLE

6. BLOOD SUPPLY OF PONS
Basilar Artery
Pontine Artery