Ischium

The ischium is the posterior inferior compart of the pelvis. Posteriorly, bony prominences form the ischial tuberosity or each side of the inner pelvis and support the body's weight in a sitting position. The ramus of the ischium is the thin, flattened part of the ischium (lowest part of the coxal bone), which ascends from the lower part of the body and joins the inferior ramus of the pubis-the junction being indicated in the adult by a raised line. The combined rami are sometimes called the...

Click to read more below

Anatomy Terms

Acetabulum
Anterior Inferior Iliac Spine
Anterior Superior Iliac Spine
Coccyx
Costal Cartilage
False Ribs
Femoral Neck
Femur
Greater Trochanter
Head of Femur
Humerus
Iliac Crest
Ilium
Inferior Ramus of Ischium
Inferior Ramus of Pubis
Intervertebral Discs
Ischium
L1 (1st Lumbar Vertebra)
L2 (2nd Lumbar Vertebra)
L3 (3rd Lumbar Vertebra)
L4 (4th Lumbar Vertebra)
L5 (5th Lumbar Vertebra)
Lesser Trochanter
Middle Phalanges of the Hand
Obturator Foramen
Proximal Interphalangeal (PIP) Joints of the Hand
Proximal Phalanges of the Hand
Pubic Symphysis
Radius
Sacroiliac Joint
Sacrum
Superior Ramus of Ischium
Superior Ramus of Pubis
T12 (12th Thoracic Vertebra)
Ulna

Change Anatomical System

Change View Angle

Full Ischium Description

[Continued from above] . . . ischiopubic ramus. The large opening that is called the obturator foramen is formed by both the rami of the ischium together with the pubis and creates the opening that allows for the passage of major blood vessels and nerves to the legs and feet.