Anatomy and Cell Biology 3319 Lecture 11: March 23 – Urethra part 2

• School: Western University
• Department: Anatomy and Cell Biology
• Course: Anatomy and Cell Biology 3319
• Professor: Steve Laviolette

Document Summary

4 angles posterior lateral a(cid:374)gle i(cid:373)porta(cid:374)t (cid:271)e(cid:272)ause that"s where ureters travel from. Inferior angle (neck) where urethra comes out and where you exercise. Internal sphincter muscles of bladder wall involuntary. External sphincter skeletal muscle sphincter with voluntary control. For young baby, urination is just reflex, with training can control external sphincter. Male trigone because urethra runs through prostate then base of penis. Pelvic floor (anatomical region below pelvic diaphragm - where external gentilia are) Muscles of pelvic diaphragm some fibers of this pelvic diaphragm is what forms external sphincter for peeing holds all organs in place important in pregnancy and labor. We know this is a male cause only 2 holes. Coccygeus this is definitely attached to coccyx bone. Know concept of these muscles is like a funnel and holds in all the viscera. Pregnant women can practice using muscles of pelvic floor to help with delivery.