THORAX AND ABDOMEN OF THE HORSE 



189 



Nerve and Blood Supply of the Muscles of the 

 Thorax and Abdomen. 



Nerve Supply. 

 Thoracic . 



Thoracic and lumbar. 



Cervical and thoracic. 



Thoracic and lumbar. 

 Lumbar 



Intercostal 



Phrenic 



Intercostal, ilio-hypo- 

 gastric and ilio- 

 inguinal . 



Intercostal, ilio-hypo- 

 gastricjilio-inguinal 

 and genito-femoral. 



Genito-f emoral (exter- 

 nal spermatic). 



Lumbar 



( M. serratus dorsalis. 



( M. iliocostalis. 



'M. longiseimus dorsi. 



M. spinalis (et semi- 

 spinalis) dorsi et 

 cervicis. 



M. longissimus cer- 

 vicis. 



M. multifidus dorsi. 



M. intertransversales 

 lumborum. 



/Mm. levatores cos- 

 tarum. 



Mm. intercostales. 



M. transversus cos- 

 tarum. 



M. transversus thor- 

 (^ acis. 



Diaphragm. 



M. obliquus externus 

 abdominis. 



M. transversus ab- 

 dominis. 



M. rectus abdominis. 



M. obliquus internus 

 abdominis. 



M. cremaster exter- 

 nus. 



M. psoas minor. 



M. quadratus lum- 

 borum. 



Blood Supply. 

 Intercostal. 

 Intercostal. 



Deep cervical, transverse artery* of 

 the neck, intercostal and lumbar. 



Deep cervical, transverse artery of 

 the neck, intercostal and lumbar. 



Deep cervical, transverse artery of 

 the neck and intercostal. 



Intercostal and Ivimbar. 



Lumbar. 



Intercostal. 



Intercostal, internal thoracic and 



musculo-phrenic. 

 External thoracic and internal 



thoracic. 



Internal thoracic. 



Musculo-phrenic, cranial phrenic 

 and deep circumflex iliac. 



Intercostal, lumbar and deep cir- 

 cumfle.x iliac. 



Intercostal, musculo-phrenic, lum- 

 bar and deep circumflex iliac. 



Cranial and caudal epigastric. 



Intercostal, lumbar and deep cir- 

 cumflex iliac. 



External spermatic. 



Intercostal, lumbar and deep cir- 

 cumflex iliac. 

 Lumbar. 



