Bony pelvic wall and pelvic cavity
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Bony Pelvic Wall and Pelvic Cavity. Dr. Sama-ul-Haque. Objectives. Name the structures of the pelvic wall (hip, sacrum, muscles and fascia). Identify the general features of the hip and sacrum. Compare between the male and female hip & sacrum.

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Bony Pelvic Wall and Pelvic Cavity

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Bony pelvic wall and pelvic cavity

Bony Pelvic Wall andPelvic Cavity

Dr. Sama-ul-Haque


Objectives

Objectives

  • Name the structures of the pelvic wall (hip, sacrum, muscles and fascia).

  • Identify the general features of the hip and sacrum.

  • Compare between the male and female hip & sacrum.

  • Recognize the name, type, ligaments & articular surfaces of joints between them.

  • Describe the anatomy of the pelvic cavity (inlet, outlet, content).

  • Discuss the general organization of the pelvic organs in male & female.

  • Describe the peritoneal relations of the pelvic organs.


Bony pelvis

Bony Pelvis

  • Hip bone (Ilium, ischium and pubis)

  • Sacrum

  • Coccyx

  • Joined anteriorly by pubic Symphysis

  • Posteriorly by sacro-iliac joint


Hip bone

Hip Bone


Hip bone1

Hip Bone


Sacrum

Sacrum


Sacrum1

Sacrum


Sacrum2

Sacrum


Bony pelvic wall and pelvic cavity

Bony Pelvis


Bony pelvic wall and pelvic cavity

  • The pelvic inlet or brim of the true pelvis is bounded:

  • Anteriorly:Symphysis pubis,

  • Laterally: Iliopectineal lines

  • Posteriorly: Sacral promontory.

  • The pelvic outlet of the true pelvis bounded:

  • Anteriorly: : pubic arch

  • Laterally:ischialtuberosities

  • Posteriorly: Coccyx

  • The sacrotuberous ligaments also form part of the margin of the outlet.


Pelvic inlet and outlet

Pelvic Inlet and Outlet


Bony pelvic wall and pelvic cavity

  • The pelvic cavity is the space between the inlet and the outlet. It is a short, curved canal, with a shallow anterior wall and a much deeper posterior wall.

  • The axis of the pelvis is an imaginary line joining the central points of the anteroposterior diameters from the inlet to the outlet and is the curved course taken by the baby's head as it descends through the pelvis during childbirth.


Pelvic inlet and outlet1

Pelvic Inlet and Outlet


Superior aperture or pelvic inlet

Superior Aperture or Pelvic Inlet


Inferior pelvic border or pelvic outlet

Inferior Pelvic Border or Pelvic Outlet


Pelvic diameter

Pelvic Diameter


Difference between male female bony pelvis bony pelvis male female

Difference Between Male & Female Bony PelvisBony Pelvis Male Female


Difference between male female bony pelvis

Difference Between Male & Female Bony Pelvis


Difference between male female bony pelvis1

Difference Between Male & Female Bony Pelvis


Types of pelvis

Types of Pelvis


Types of pelvis1

Types of Pelvis


Bony pelvic wall and pelvic cavity

Joints & ligaments of the Bony Pelvis


Bony pelvic wall and pelvic cavity

Joints & ligaments of the Bony Pelvis


Bony pelvis1

Bony Pelvis


Female pelvis

Female Pelvis


Male pelvis

Male Pelvis


Pelvis

Pelvis


Greater pelvis pelvis major

Greater Pelvis (pelvis major)

  • Location of some abdominal viscera (ileum and sigmoid colon)

  • Bounded by abdominal wall anteriorly, the iliac fossa posteriolaterally and L5 & S1 vertebrae posteriorly

  • Also Known as False Pelvis


Lesser pelvis pelvis minor

Lesser Pelvis ( pelvis minor)

  • Location of pelvic viscera: the urinary bladder and reproductive organs such as the uterus and ovaries

  • Bounded by the pelvic surfaces of the hip bones, sacrum, and coccyx

  • Limited inferiorly by the musculofascial pelvic diaphragm

  • Also known as True Pelvis


Peritoneum in pelvis

Peritoneum in Pelvis

  • Continuous with peritoneum of abdomen

  • Drapes over pelvic viscera in the midline to form:

  • Pouches

  • Folds between viscera and pelvic walls


Peritoneum in males

Peritoneum in males


Peritoneum in females

Peritoneum in females


Peritoneum in males1

Peritoneum in males


Thank you

Thank you


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