ILIAC ALA
[plural: iliac alea] the “wing” of the ilium; a large fan-shaped structure making up the lateral portion of the ilium
ILIUM
[plural: ilia] the bone that fuses into the os coxa, forming the hip; the anterior component to the acetabulum
INFERIOR
a relative term used for bipedal hominins (those that travel on two legs) to describe features on the trunk that are closer to the feet; the opposite of superior. The term caudal is a synonym commonly used when referring to quadrupedal animals.
INHERIT
to acquire genetic material from a parent
INNOMINATE
[syn. os coxae or pelvis] the bone formed by the ilium, ischium, and pubis
INSERTION
[muscle insertion] a relative term describing the attachment of a muscle or ligament to a location on a bone that is farthest away from the center of the body, and the point on which the force of the muscle works.
INTERMEDIATE CUNEIFORM
second-most medial tarsal bone located on the distal row
INTERMEMBRAL INDEX
a measure of the entire length of the arms in proportion to the entire length of the legs; calculated by diving the length of the humerus and radius, by the length of the femur and tibia, multiplied by 100.
INVERSION
turning the sole of the foot towards the medial portion of the body; opposite of eversion
INVERTEBRATE
an animal with no vertebral column (i.e., backbone or spine)
ISCHIUM
a bone that lies inferior to the ala and extends ventrally to join the pubis.