Thoracic Cavity Neuroanatomy

University:
Virginia Maryland College of Veterinary Medicine
Course:
VM 8164 | The Normal Animal
Academic year:

2023
Views:

297

Pages:

2
Author:

Sarah Landeck

The dorsal root of spinal a nerve is sensory ventral is motor The PNS is formed from the neural crest of the ectoderm t if neural crest cells can't migrate there will be problem with PNS development The autonomic as well as NS innervates smooth and cardiac glands The somatic NS innervates muscle skeletal muscle Above the hit us of the lung is the vagus nerve below it is the phrenic nerve to the phrenic The nerve is intercostal costal and runs over pericardiu nerves represent the thoracic each thoracic spinal the costal somatic nerve branch of innervates costal muscles an somatic pleura pleura is somatic pulmonary pleura is auto nom The parietal pleura is sensitive to pain the visceral is not The somatic Ns involves one NS involves 2 neurons neuron chains the auto no mi preganglionic and postganglionic DorseyÉanglion are myelinated post iii yips s attiremic somatic somaticefferentventral root ganglioniciiineurons are the sympathetic Ns is the tic Ns is cranio sacral no sympathetic NS innervates body wall parasympathetic NS innervates the viscera The vagus nerve is both somatic and autonomic parasympathetic innervation parasympathetic supply vagus T to viscera and to the thoracic provides complete cavity together with the sympathetic trunk before runs vago sympathetic and then it splits trunk It the vagus also splits into dorsal and ventral Then the dorsa and ventral branches of the left and t once fused vagal Enlargement of cause as the nerve recurrent t the caudal mediastinal compression terminates laryngeal at lymph node routes esophagus the level of the larynx nerve A Synapse at sympathetic causes roar in Pre ganglionic trunk B Pass through trunk and travel Cran C Synapse at outlying ganglion D Synapse can of damage of the recurrent laryngeal nerve Sympathetic the race lumbar pathways 4 fuse trunk runs through esophageal hiatus bloat in cattle The vagus right branches at adrenal medulla card