The Pelvis and Perineum Flashcards
(228 cards)
What is the true pelvis
the space below the iliac fossa and between the pelvic bones
The upper margin of the true pelvis is limited by
the sacral promontory, the arcuate line, the pectineal line and the top of the symphysis pubis
What is the false pelvis
part of the abdomen and is the entire space bounded by the iliac fossae
The pelvic cavity is limited inferiorly by
the pelvic diaphragm
The pelvic diaphragm is made up of which muscles
levator ani and coccygeus
Where is the Perineum
the region beneath the pelvic diaphragm containing the external genitalia anteriorly, the anal canal posteriorly and the supporting muscular connective tissue, blood supply and innervation
The perineum contains:
- the external genitalia anteriorly
- the anal canal posteriorly
- the supporting muscular connective tissue, blood supply and innervation
Sacral promontory
- the most anterior part of the sacrum and is the body of the first sacral segment
Arcuate line
- continuation of the sacral promontory around the inlet
- defines the lower border of the iliac fossa
Ileopectineal line runs medially to the:
pubic crest
The sacroiliac joint has two components:
one synovial and one fibrous
Sacrum
Ilium
Acetabulum (For hip joint)
Ischium
Orturator foramen
Symphisis pubis
Pubis
Iliac crest
Articular surface
Anterior superior iliac spine
Arcuate line
Anterior Inferior Iliac Spine
Pectineal line