Bony Pelvic WallBony Pelvic Wall and and

Pelvic CavityPelvic Cavity

Dr. Sama-ul-Dr. Sama-ul-HaqueHaque

ObjectivesObjectives 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 PelvisBony Pelvis

Hip bone (Ilium, ischium and pubis)SacrumCoccyxJoined anteriorly by the pubic symphysisPosteriorly by the sacro-iliac joint

Hip BoneHip Bone

Hip BoneHip Bone

SacrumSacrum

SacrumSacrum

SacrumSacrum

Bony Pelvis

Pelvic Inlet and Outlet Pelvic Inlet and Outlet

Pelvic Inlet and OutletPelvic Inlet and Outlet

The pelvic inletThe pelvic inlet, or pelvic brim is , or pelvic brim is bounded bounded

posteriorlyposteriorly by the sacral promontory, by the sacral promontory, laterallylaterally by the iliopectineal lines, by the iliopectineal lines, and and anteriorlyanteriorly by the symphysis by the symphysis pubispubis

The pelvic outlet The pelvic outlet is bounded is bounded

posteriorlyposteriorly by the coccyx, by the coccyx,

laterallylaterally by the ischial tuberosities, and by the ischial tuberosities, and anteriorlyanteriorly by the pubic arch by the pubic arch

Superior Aperture or Pelvic Inlet

Inferior Pelvic Border or Pelvic Outlet

Pelvic DiametersPelvic Diameters

Difference Between Male & Female Bony PelvisDifference Between Male & Female Bony PelvisBony PelvisBony Pelvis Male Male Female Female

Difference Between Male & Female Bony PelvisDifference Between Male & Female Bony Pelvis

Difference Between Male & Female Bony PelvisDifference Between Male & Female Bony Pelvis

Types of PelvisTypes of Pelvis

Joints & ligaments of the Bony Pelvis

Joints & ligaments of the Bony Pelvis

Bony Pelvis

Female Pelvis

Male Pelvis

Pelvis

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)

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

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

Limited inferiorly by the musculofascial pelvic Limited inferiorly by the musculofascial pelvic diaphragmdiaphragm

Also known as Also known as True Pelvis

Peritoneum in Pelvis

Continuous with peritoneum of abdomen

Drapes over pelvic viscera in the midline to form:

PouchesFolds between viscera and pelvic walls

Peritoneum in males

Peritoneum in females

Peritoneum in males

Thank you