Uploaded September 2021 | Updated September 2026, 3 weeks ago

---

🌐 Website: taimtalksmed.com
🫀 Help keep this content free: youtube.com/channel/UCEr7pkSXVsHcBLLBcJAGV-Q/join
🔬 Get 10% off anatomy lab models (affiliate link): https://anatomywarehouse.com?aff=34

📲 Other Links:
Instagram: instagram.com/taimtalksmed
Discord: discord.com/invite/DENMUpS8ey

Content:
0:00 Introduction
0:59 Topography of Pons
1:28 Anterior Surface of Pons
3:09 Posterior Surface of Pons
4:26 Internal Surface of Pons
6:11 Gray Matter: Basilar Part
7:06 Gray Matter: Tegmentum of Pons
7:42 White Matter: Basilar Part
9:58 White Matter: Tegmentum of Pons
16:14 QUIZ!

Topograpgy of the Pons:
- Lies above the Medulla, Below Mesencephalon, In front of the Cerebellum
- Anterior Surface
- Postrior Surface

Anterior Surface of the Pons:
- Basilar Sulcus (Sulcus Basilaris)
- Middle Cerebellar Peduncles (Pedunculus Cerebellaris Media)
- Cranial Nerve IV: Nervus Abducens between pyramid and pons
- Between olives and middle cerebellar peduncles
○ Cranial Nerve VII: Facialis
○ Cranial Nerve VIII: Vestibulocochlearis
- Surface of Pons: Cranial Nerve V Trigeminus

Posterior View of Pons:
- Rhomboid Fossa (Fossa Rhomboidea)
- Cerebellar Peduncles (Pedunculi Cerebelli)
○ Inferior Cerebellar Peduncle
○ Middle Cerebellar Peduncle
○ Superior Cerebellar Peduncle

Internal Surface of Pons:
- Cochlear Nerve form Trapezoid Body (Corpus Trapezoideum)
- Dorsal Part: Tegmentum of Pons
- Ventral Part: Basilar Part

Gray Matter in Basilar Part of Pons:
- Pontine Nuclei (Nuclei Pontis)
○ For Frontopontine Tract
○ PontoCerebellar Tract (Transverse Pontine Fibers)
○ Cerebellorubral Tract
○ Rubrospinal Tract

Gray Matter in Tegmentum of Pons:
- Reticular Formation (Formatio Reticularis)
- Nuclei of Trapezoid Body (Nuclei Corporis Trapezoideum)
- Nuclei of the Rhomboid Fossa (Cranial nuclei of X-XII)

White Matter of Basilar Part of Pons:
- Pontocerebellar Tract (Transverse Pontine Fibers)
○ Coming from Corticopontine tract
§ Frontopontine Tract
§ Parietopontine Tract
§ Temporopontine Tract
§ Occipitopontine Tract
- Corticospinal Tract (Tractus Corticospinalis)
- Corticonuclear Tract (Corticobulbar tract)

White Matter in Tegmentum of Pons:
Ascending Tracts
- Medial Lemniscus (Lemniscus Medialis)
○ Gracile Fascicle (Fasciculus Gracilis) to Gracile Nucleus
○ Cuneate Fascicle (Fasciculus Cuneatus) to Cuneate Nucleus
○ Medial Lemniscus is formed through Internal Arcuate Fibers (Fibrae Arcuatae Internae)
○ Epicritic Sensibility (Proprioception and Mechanoreceptios)
- Spinal Lemniscus (Lemniscus Spinalis)
○ Anterior Spinothalamic Tract (Tractus Spinothalamicus Anterior)
○ Lateral Spinothalamic Tract (Tractus Spinothalamicus Lateralis)
- Trigemincal Lemniscus (Lemniscus Trigeminalis)
- Anterior Spiniocerebellar Tract (Tractus Spinocerebellaris Anterior)
- Lateral Lemniscus (Lemniscus Lateralis)
○ From Cochlear Nerve
Descending Tracts
- Vestibulospinal Tract (Tractus Vestibulospinalis)
- Rubrospinal Tract (Tractus Rubrospinalis)
- Tectospinal Tract (Tractus Tectospinalis)
- Reticulospinal Tract (Tractus Reticulospinalis)
- Medial Longitudinal Fasciculus (Fasciculus Longitudinalis Medialis)

QUIZ

Sources used in this video:
- Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author)
- Biorender
- University notes and lectures