bones pelvic girdle

Question 1

• formed by two coxal bones, commonly called hip bones, and the sacrum
• bones are large and heavy, and are attached securely to the axial skeleton via the sacral attachment to the L5 lumbar vertebra
• protects the reproductive organs, urinary bladder, and part of the large intestine

Answer 1

pelvic girdle

Question 2

large, flaring bone that forms most of the hip bone

Answer 2

Ilium

Question 3

wing-like portions of the ilia

Answer 3

Alae

Question 4

forms the most inferior part of the coxal bone

Answer 4

Ischium

Question 5

roughened area that receives body weight when you are sitting

Answer 5

Ischial tuberosity

Question 6

narrows the outlet of the pelvis through which the baby must pass during birth

Answer 6

Ischial spine

Question 7

allows blood vessels and the large sciatic nerve to pass from the pelvis posteriorly into thethigh

Answer 7

greater sciatic notch

Question 8

most anterior and inferior part of a coxal bone

Answer 8

pubis

Question 9

an opening that allows blood vessels and nerves to pass into the anterior part of the thigh

Answer 9

obturator foramen

Question 10

receives the head of the thigh bone

Answer 10

acetabulum

Question 11

area medial to the flaring portions of the ilia

Answer 11

false pelvis

Question 12

surrounded by bone and lies inferior to the flaring parts of the ilia and the pelvic brim; must be large enough to allow the infant’s head to pass during childbirth

Answer 12

true pelvis

Question 13

inferior and superior opening of the pelvis carefully measured by the obstetrician

Answer 13

outlet and inlet