Tag: abdominal nerves

November 10, 2025 / Mohammed looti

PHRENIC NERVE

Anatomical Origin and Course of the Phrenic Nerve The Phrenic Nerve (from the Greek word phren, meaning diaphragm) represents a critical component of the somatic nervous system, tasked primarily with controlling respiration. Its initialization occurs within the **cervical plexus** of the neck, derived predominantly from the anterior rami of the third, fourth, and fifth cervical […]

November 5, 2025 / Mohammed looti

CELIAC PLEXUS

Anatomical Definition and Overview The Celiac Plexus, often regarded as the largest and most crucial autonomic nerve center in the abdominal cavity, constitutes an intricate, radiating network of nerve fibers and associated ganglia. This complex structure serves as the primary distribution hub for sympathetic and parasympathetic innervation to the majority of the visceral organs located […]