Ganglion

{gang’-gle-on) \_yayyAiw, a knot]. I. A well-defined collection of nerve-cells and fibers forming a subsidiary nerve-center. 2. An enlarged bursa in connection with a tendon. G.-cell, the large nerve-cell characteristic of the ganglia; similar cells are found in other parts of the nervous system. Ganglia, Basal, the ganglia at the base of the brain, comprising the corpora striata (caudate and lenticular nuclei), and optic thalami. Roots. Distribution. f the cardi- Heart, of the vagus. ’ TABLE OF GANGLIA.— Continued. Name. Location. Roots. Above the root of one of the Dental nerves. Bochdalek’s. upper incisor teeth, at the point of communication between the posterior nasal branch of Meckel’s ganglion and the anterior dental nerve. Cardiac, superior Beneath the arch of the aorta. Superficial cardiac plexus. (Wrisberg). Carotid. In the lower part of the caver- Filaments from the caronous sinus, beneath the carotid plexus. tid artery. Carotid, inferior. Lower portion of the carotid Carotid plexus. canal. Carotid, superior. Carotid plexus. Upper portion of the carotid canal. Ca erian. See Ga er i an. Cephalic. Sympathetic ganglia of the head. They include the ciliary, sphenopalatine, otic, and submaxillary. Cervical, inferior. Between the neck of the first Three lower cervical, rib, and the transverse pro first dorsal. ce of the last cervical vertebra. Cervical, middle, Opposite the fifth cervical Fifth and sixth cervical or thyroid. vertebra, near the inferior nerves, spinal nerves and thyroid artery. ganglia. Cervical, superior. Opposite the second and third Four upper cervical, pecervical vertebrae. trosal, vagus, glo opharyngeal, and glo al nerves. ch342.xhtml c 289