. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. 166 LUMBAR NERVES. the two heads of the pronator teres muscle, and descending the fore- arm, between the flexor sublimis and profundus muscles, it is dis- tributed to the fingers, with the exception of those supplied by the ulnar. DORSAL NERVES. These are twelve in number; the anterior branches are the larger, and received into the intercostal grooves, in which they run, to be distributed to the muscles of the chest.
. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. 166 LUMBAR NERVES. the two heads of the pronator teres muscle, and descending the fore- arm, between the flexor sublimis and profundus muscles, it is dis- tributed to the fingers, with the exception of those supplied by the ulnar. DORSAL NERVES. These are twelve in number; the anterior branches are the larger, and received into the intercostal grooves, in which they run, to be distributed to the muscles of the chest. The^/-5^ dorsal nerve pins the brachial plexus. The intercosto- humcral nerves^ are two in number, and proceed from the second and third dorsal nerves to be distributed upon the skin and fascia of the arm; the larger is sometimes called the nerve of Wrisberg. LUMBAR NERVES. These are five in number ; the anterior branches descending form the lumbar plexus, which is situated upon the qwadratus lumborum muscle and behind the psoas magnus muscle; from it are given off two or three abdomino-crural\ branches, which supply the muscles of the abdomen, sending Fig. 144. a filament to the groin. The external cutaneous'^ crosses obliquely the ilia- cus internus muscle, to- wards the anterior supe- rior spinous process. It perforates the fascia lata, and is distributed to the integuments of the thigh. The extcryial sjDermatic^ perforates the psoas mus- cle, and descending to the groin, supplies the glands and cremaster muscle. The anterior crural,^ the largest branch of the lumbar plexus, passes under Poupart's ligament, and gives off the anterior, middle, and internal cutaneous branches,''^^ which are distributed to the integuments ; the long or internal saphenous nerve, which accompanies the femoral artery as far as its perforation of the adductor tendon,and then accompanies the saphena vein to the foot. The obturator accompanies the obturator artery, and emerges from. Please note that
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