STRUCTURE OF THE UTERUS 



347 



and one-half inches wide at the larger end, which is called the 

 fundus and is placed uppermost. 



The uterus is composed of non-striated muscles, arranged in 

 three layers and lined with mucous membrane bearing ciliated 

 epithelium. Its walls are about three-eighths of an inch thick. 

 It consists of two portions, the body and the neck or cervix, the 

 body being a little longer of the two. 



POSTERIOR SURFACE OF BODY OF UTERUS 

 I 



TTtero-ovarian ligament 

 OVARY 



FALLOPIAN TUBE 



Broad ligament 



Inf undlbul urn 

 FJmbria 

 Broad ligament 



Vaginal walls 



FIG. 224. UTERUS AND APPENDAGES, POSTERIOR. (Morris.} 



The body is flattened, but is more convex at the back than in 

 front; the cervix is round. 



The cavity of the uterus corresponds to the general shape of the 

 organ, being triangular in the body and round in the cervix. At 

 the upper angles of the body are the openings which lead into the 

 uterine or Fallopian tubes. Between the body and the cervix is 

 the internal os, the opening at the lower extremity of the cervix 

 being called the external os, which is bordered by the anterior 

 and posterior lips. The uterus is covered with peritoneum, except 

 in front of the cervix. 



