230 ANATOMY AND PHYSIOLOGY FOR NURSES 



been termed the ganglionic nerve. Its functions has been 

 previously described. 



The Ganglia. There are four ganglia in the head: 

 the ophthalmic, sphenopalatine (Meckel's), otic or Ar- 

 nold's, and the submaxillary ; three in the neck: superior, 



FlG. 114. Diagrammatic view 

 of the sympathetic cord of the 

 right side, showing its connec- 

 tions with the principal cerebro- 

 spinal nerves and the main pre- 

 aortic plexuses. (Reduced from 

 Quain's Anatomy.) 



Cerebrospinal Nerves: VL, A 

 portion of the sixth cranial as it 

 passes through the cavernous 

 sinus, receiving two twigs from 

 the carotid plexus of the sym- 

 pathetic nerve ; O, ophthalmic 

 ganglion connected by a twig with 

 the carotid plexus ; M, connection 

 of the sphenopalatine ganglion 

 by the Vidian nerve with the 

 carotid plexus; C, cervical plexus ; 

 Br, brachial plexus ; D 6, sixth 

 intercostal nerve ; D 12, twelfth ; 

 L 3, third lumbar nerve ; <Si, first 

 sacral nerve ; 3, third ; S $, fifth ; 

 Cr, anterior crural nerve ; Cr, 

 great sciatic : Pn, vagus in the 

 lower part of the neck ; r t recur- 

 rent nerve winding round the sub- 

 clavian artery. 



Sympathetic Cord : c, Superior 

 cervical ganglion ; c' ', second or 

 middle; ", inferior; from each 

 of these ganglia cardiac nerves 

 (all deep on this side) are seen 

 descending to the cardiac plexus ; 

 di, placed immediately below the 

 first dorsal sympathetic ganglion ; 

 d 6 is opposite the sixth ; / i, first 

 lumbar ganglion; eg, the termi- 

 nal or coccygeal ganglion. 



Preaortic and Visceral Plex- 

 uses : pp, pharyngeal, and, lower 

 down, laryngeal plexus ; pi, pos- 

 terior pulmonary plexus spreading 

 from the vagus on the back of the 

 right bronchus ; ca, on the aorta, 

 the cardiac plexus, toward which, 

 in addition to the cardiac nerve 

 from the three cervical sympa- 

 thetic ganglia, other branches are 



