Pelvic Bones Anatomy-Male vs Female Pelvis
- 1. Anatomy of Pelvis Female vs Male Pelvis Mojee Tuapati
- 2. Pelvis Structure: • Basin-shaped bones that consists of the paired hip bones (left & right hip bones) connected in front at the pubic symphysis & behind by the sacrum. • Each hip-bone in made up of 3 bones, namely; • The Ilium • The Ischium • The Pubis • All 3 unite in early adulthood at a triangular suture in the Acetabulum.
- 3. • The pelvis is divided into two parts: The true(lesser) and false(greater) pelvis. • The false pelvis is situated above the pelvic brim. • Is formed by the flared-out portions of the iliac bones & protects the abdominal organs. • Is of no obstetrical significance. • The true pelvis is the bony canal through which the fetus must pass during birth. • Bounded at the back by the Sacrum, at the sides by the Ischium and in front by the Pubis, forming a solid ring of bone. • Has a brim, a cavity and an outlet.
- 4. • There are four articulations within the pelvis: • Sacroiliac joints (x2)- between the Ilium of the hip bones, and the Sacrum. • Sacrococcygeal Symphysis- between Sacrum and the Coccyx. • Pubic Symphysis- between pubis bodies of the two hip bones • Ligaments attach the lateral border of the Sacrum to the various bony landmarks on the bony pelvis to aid stability. • The pelvic cavity includes these structures: • Loops of small intestine • Sigmoid colon, Rectum, & Anal canal. • Urinary bladder, lower part of ureters, & urethra. • Reproductive organs: • Prostate gland, Seminal vesicles, Vas deferens, & Ejaculatory ducts in males. • Uterus, Uterine tubes, Ovaries, and Vagina in female.
- 5. Types of Pelvis: • The 4 types of pelvis are: • Gynecoid pelvis • Platypoid pelvis • Anthropoid pelvis • Android pelvis • The majority of women have a Gynecoid pelvis, as opposed to the male Android pelvis. • The slight differences in their structures creates a greater pelvic outlet, adapted to aid the process of childbirth.
- 6. Functions of the Pelvis: • Primary role is to support the weight of the upper body when sitting. • Attaches the lower limbs to the axial skeleton. • Serves as an attachment point for trunk & lower limb muscles. • Protects the internal pelvic organs. • Aids in movement. (muscles of hips, trunks, and legs) • Contains the abdominopelvic and pelvic viscera.
- 7. Male vs Female Pelvis: Female Pelvis Male Pelvis Pelvic Weight Lighter & Thinner Thicker & Heavier Pelvic Inlet Shape Round or Oval shape Heart-shaped Subpubic angle Greater than 80 degrees Less than 70 degrees (v-shaped) Pelvic Outlet Shape Rounded & Larger Smaller Sacrum Short & Broad/wide Tall & Narrow Coccyx Is flexible & Straighter Projected Inwards & Immovable Acetabulum Smaller one Is larger
- 8. Parts of the Pelvis:
- 9. THE END!! • Marau Jiko Taci!!