PELVIS & PERINEUM

Junhel C. Dalanon, DDM, MAT, EdD

Pelvic Girdle

Pelvic CavityPelvic Inlet

Pelvic Outlet

Pubic Symphysis

Coccyx

PELVIC INLETSuperior Part of the Pubic Symphysis

Posterior Border of the Pubic Crest

Superior Ramus of the Pubic Bone

Arcuate Line of the Ilium

Anterior Portion of the Sacral Ala

Sacral Promontory

PELVIC OUTLETInferior Portion of the Pubic Symphysis

Inferior Rami of the Pubic Bones

Ischial Tuberosities of the Ischial Bones

Sacrotuberous Ligaments

Tip of the Coccyx

PELVIC BONESOssa Coxae

Pelvic WallsSacrum & Femurs

Ilium, Ischium, & Pubis

Acetabulum

Pubic Arch

Subpubic Angle

ILIUMFlat, upper part of the pubic bone

Ala & Body

Iliac Crest

Anterior & Posterior Superior Iliac Spines

Iliac Fossa

ISCHIUMBody & Ramus

Obturator Foramen

Ischial Spine

Ischial Tuberosity

PUBIS

Body & Ramus

Superior Pubic Ramus

Inferior Pubic Ramus

Pubic Crest

Pubic Tubercle

JOINTS

Pubic Symphysis

Sacroiliac Joints

Sacrococcygeal Joint

Fibrocartilaginous Disc

PELVIC DIAPHRAGM

Coccygeus Muscles

Levator Ani Muscle

Puborectalis

Pubococcygeus

Iliococcygeus

PELVIC FASCIA

Parietal Pelvic Fascia Visceral

Pelvic Fascia

THE PERITONEUM

Supravesical Fossa

Paravesical Fossae

Vesico-uterine Pouch

The Broad Ligament

The Ureteric Fold

Recto-uterine Pouch

Rectovesical Pouch

Pararectal Fossae

INNERVATION

Sacral Plexus

Coccygeal Plexus

Pelvic Autonomic Nerves

SACRAL PLEXUS Sciatic Nerve

Pudendal NerveSuperior Gluteal Nerve

Inferior Gluteal Nerve

Nerve to the Quadratus Femoris Muscle

Nerve to the Obturator Internus Muscle

Nerve to the Piriformis Muscle

Perforating Cutaneous Nerve

Posterior Femoral Cutaneous Nerve

Pelvic Splanchnic Nerves

COCCYGEAL PLEXUS

4th & 5th Sacral Spinal Nerves

Coccygeus & Levator Ani Muscles

Anococcygeal Nerves

PELVIC AUTONOMIC NERVES

Sacral Sympathetic Trunks

Superior Hypogastric Plexus

Inferior Hypogastric Plexuses

Pelvic Splanchnic Nerves

BLOOD VESSELS

ABDOMINAL AORTA

R & L COMMON ILIAC ARTERIES

EXTERNAL ILIAC ARTERIES

INFERIOR EPIGASTRIC

DEEP CIRCUMFLEX

ILIAC

INTERNAL ILIAC ARTERIES

ANTERIOR DIVISION

POSTERIOR DIVISION

ANTERIOR DIVISION OF INTERNAL ILIAC ARTERIES Umbilical Artery &

Superior Vesical Artery

Obturator Artery

Inferior Vesical Artery

Middle Rectal Artery

Internal Pudendal Artery

Inferior Gluteal Artery

Uterine Artery

POSTERIOR DIVISION OF INTERNAL ILIAC ARTERIES Iliolumbar Artery

Lateral Sacral Arteries

Superior Gluteal Artery

Superior Rectal Artery

Median Sacral Artery

Ovarian Arteries

LYMPHATICSExternal Iliac Lymph Nodes

Internal Iliac Lymph Nodes

Sacral Lymph Nodes

Common Iliac Lymph Nodes

Pararectal Nodes

Superficial Inguinal & Deep Inguinal Nodes

Lumbar Nodes