464 



ANATOMY IN A NUTSHELL. 



Blood Supply. — By arteries in the sheath of the Rectus. 



Cremaster. — Description. — This muscle, which consists of thin musular 

 fasciculi which are continuous with those of the Internal oblique and some 

 times with those of the Trans versalis, descends through the external abdominal 

 ring from the front of the spermatic cord. 



Origin. — From the middle of Poupart's ligament. 



Insertion. — Into the crest of the os pubis and sheath of the Rectus. 



Action. — To retract testicle. 



Nerve Supply. — Genital branch of the genito-crural. 



Blood Supply. — Spermatic artery. 



PLATE CCLII. 





FQRSUP.TURBINAL. 

 RIDGE FORMID.TURBINAL. 



ANTRUM 



POST. PALATINE 

 GROOVE. 



INF MEATUS 



PALATINE PROC. 



NASAL PROC 



MIDDLE MEATUS 



RIDGE FOR 

 NF.TURBINAL. 



ART WITH VOMER 



ANT. NASAL 

 SPINE. 



-CREST 



ANT PALATINE 

 £i GROOVE. 



The Internal Surface of Superior Maxillary Bone. 



The origin and insertion of this muscle is similar to that of the lower fibers 

 of the Internal oblique. This muscle is found in the male, but a few muscular 

 fibers may be seen on the round ligament of the female which correspond to 

 this muscle. 



LESSON CXLVIII. 



Muscles of deep Abdominal Region. 



(1) Psoas parvus which has been described on page 134. 



(2) Psoas magnus which lias been described on page 134. 



(3) Uiacus which has been described on page 135. 



(4) Quadratus lumboruni. — Description. — This muscle is situated in a 

 sheath formed l>v the anterior and middle layers of the lumbar fascia. On the 



