Eight days after the injury an abscess was opened near the tuberosity of the ischium, and the ball was removed from that spot.
Both pubis and ischium contribute to the symphysis which is often very long.
The ilium and ischium do not as in Carinatae unite posteriorly, and enclose a foramen except in very old Rheas and Emeus.
The pubis is slender, and the ischium is elevated and robust.
On examination after death, the rami of the ischium were found “little more than half an inch asunder.”
These two portions, pubis and ischium, limit an oval orifice, the subpubic foramen.
The area of origin extends to the posterior edge of the ischium.
In them the arch is a mere slot, and being formed by the ischium alone, merits the name of the ischial arch.
The obturator foramen is a small oval opening posteroventral to the acetabulum between the ischium and the pubis.
The posterior and external angle of the ischium is rough and prominent; it is the tuberosity of the ischium.
"the seat bone," 1640s, from Latin, from Greek iskhion "hip joint," in plural, "the hips," probably from iskhi "loin," of unknown origin.
ischium is·chi·um (ĭs'kē-əm)
n. pl. is·chi·a (-kē-ə)
The lowest of the three major bones that constitute each half of the pelvis, distinct at birth but later becoming fused with the ilium and pubis. Also called ischial bone.