Bones of the Pelvic Girdle
transverse lines
anterior surface of the sacrum, connects pairs of foramina
acetabulum
area where the three os coxae bones connect, large articulation indentation
promontory
area where the vertebrae connects, between alae, flat spot
obturator foramen
big hole on os coxae
ilium
blade portion of os coxae
ischiopubic ramus
bridge of bone connect pubis to the ischium
arcuate line
bumped up ridge of bone extending from the auricular surface to the pubic bone
acetabular fossa
center of articulation point, surrounded by the lunate surface
auricular surface
ear or bean shaped rough surface on the posterior side of the ilium
dorsal walls
either side of median crest, between crest and foramina
pubic symphysis
flat face of the pubis bone
superior articular facets
flat portions / protrusions facing the posterior on the sacrum, near promontary
preauricular sulcus
groove below auricular surface and above greater sciatic notch
os coxae
hip, pelvis
cornula
horns pointing up on the tail bone
lunate surface
in the acetabulum, smoother crescent shape
iliac fossa
indentation on the ilium, on the opposite side of the acetabulum
obturator groove
indentation the by the big hole
greater sciatic notch
notch above the ischial spine
lesser sciatic notch
notch below ischial spine, above ischium
posterior inferior iliac spine
point bit on the ilium, same side as the ischium bone, bottom pointy bit
posterior superior iliac spine
point bit on the ilium, same side as the ischium bone, top pointy bit
anterior inferior iliac spine
point bit on the ilium, same side as the pubis bone, bottom pointy bit
anterior superior iliac spine
point bit on the ilium, same side as the pubis bone, top pointy bit
ischial spine
pointy bit just above the ischium
median crest
ridge between the sacral foramina
sacroiliac joint
rough spots on the side of the sacrum, connects to the auricular surfaces of the ilium
ischial tuberosity
rough, oval shaped portion of the ischium, below lesser sciatic notch
anterior sacral foramina
series of holes on the sacrum
coccyx
tail bone
pubis
triangular shaped piece, opposite the ischium
iliac crest
very top, broad edge of the ilium
ischium
widest part of os coxae, part that you sit on
alae
wings