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LECOM Bradenton PBL Anatomy - Pelvis

1. Structure that separates pelvis from perineum

Pelvic diaphragm

2. Two major components of pelvic diaphragm

Levator ani and coccygeus

3. Two major components of levator ani

Pubococcygeus and iliococcygeus

4. Two muscles which close lateral pelvic wall

Obturator internus and piriformis

5. Means by which obturator internus exits pelvis

Lesser sciatic foramen

6. Means by which piriformis exits pelvis

Greater sciatic foramen

7. Innervation of detrusor

Pelvic splanchnics (S2-4)

8. Innervation of trigone

Sympathetics (Pregang. T11-12; lesser, least, lumbar splanchnic nn.)

9. Innervation of sphincter urethrae

Pudendal n. (S 2,3,4)

10. Remnants of umbilical arteries

Medial umbilical ligaments

11. Provides major vasculature to pelvic organs

Internal iliac

12. Chief artery to rectal mucosa

Superior rectal

13. Chief artery to rectal muscular wall

Middle rectal

14. Most common type of pelvic inlet in females


15. Two remnants of gubernaculum in females

Ovarian and round ligament

16. Ligament that contains ovarian vessels

Suspensory ligament of ovary

17. Cavity into which ova immediately escape the ovary


18. Lymphatic drainage for ovary and testes

Lumbar nodes (para-aortic)

19. Normal position of uterus

Anterverted, anteflexed

20. Name given to orientation where uterus and vagina intersect at angle of 90 degrees


21. Name given to orientation where uterine body and cervix intersect at angle of 10-15 degrees


22. Chief uterine support


23. Ligament that contains uterine vessels

Lateral cervical

24. Structure potentially injured with hysterectomy


25. Relation of ureter to uterine artery

Inferior and posterior

26. Structure that separates deep and superficial perineal spaces

Perineal membrane

27. Bony landmarks between anal and UG triangles

Ischial tuberosities

28. Structure forming lateral wall of ischioanal fossa

Fascia of obturator Internus

29. Structure that forms the pudendal canal

Fascia of obturator Internus

30. Structure that separates internal and external hemorrhoids

Pectinate line

31. Lymphatic drainage for area superior to pectinate line of anal canal

Internal iliac, inferior mesenteric nodes

32. Lymphatic drainage for area inferior to pectinate line of anal canal

Superficial inguinal nodes

33. Lymphatic drainage for glans penis

Deep inguinal nodes

34. Muscle which compresses the bulb of penis


35. Muscle which compresses the crus of penis


36. Nerves of erection

Pelvic splanchnics (S2-4)

37. Muscles which meet at the perineal body

Superficial and deep perineal, bulbospongiosus, external anal sphincter, pubococcygeus

38. Major structure of deep perineal space

Sphincter urethrae

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