第二节 Section
乳房和会阴 Breast and perineum
二、会阴 Second, the perineum
（一）广义会阴 (A) generalized perineum
广义会阴是指封闭小骨盆下口的所有软组织的总称。 Perineum closed broadly refers collectively to all the small pelvis under the soft tissue of the mouth. 以两侧坐骨结节连线分为前、后两个三角区。 Ischial tuberosity on both sides of the connection to the former into the latter two triangle.
1． 1. 尿生殖三角 Urogenital triangle
位于前部，男性有尿道通过，女性有尿道和阴道通过。 Located in front of the male urethra through the urethra and vagina by females.
2． 2. 肛门三角 Anal triangle
位于后部，有直肠通过。 At the rear, through the rectum.
（二）狭义会阴 (B) narrow perineum
狭义会阴是指肛门与外生殖器之间的狭小区域。 Perineum narrowly refers to a narrow area between the anus and the genitalia. 临床在产妇分娩时，应注意保护此区，以防会阴撕裂。 When clinical maternity, this area should be protected to prevent perineal tear.