| A | B |
|---|
| acetabulum | The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits. Also called cotyloid cavity |
| acromion | The outer end of the scapula, extending over the shoulder joint and forming the highest point of the shoulder, to which the collarbone is attached. Also called acromial process. |
| appendicular skeleton | The bones of the limbs, including the bones of the pectoral and pelvic girdles. |
| articulations (joints) | The place of anatomical union, usually movable, between two or more bones. |
| atlas | The top or first cervical vertebra of the neck, supporting the skull and articulating with the occipital bone and rotating around the dens of the axis. |
| axis | The second cervical vertebra. Also called epistropheus, vertebra dentata. |
| axial skeleton | The bones of the head and trunk, excluding the pectoral and pelvic girdles. |
| ball-and-socket joint | A multiaxial joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint. Also called cotyloid joint, enarthrosis. |
| bursae | membrane-lined sacs containing synovial fluid, usually found in and around joints. Bursae provide protective cushioning and lubrication. Jonas: Mosby's Dictionary of Complementary and Alternative Medicine. (c) 2005, Elsevier. |
| canaliculi | Also known as lacrimal ducts, these tube-like structures carry the tears from the eyes to the lacrimal sac.Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved. |
| cranium | The bony case enclosing the brain, excluding the bones of the face; braincase. |
| diaphysis | the portion of a long bone between the ends or extremities, which is usually articular, and wider than the shaft; it consists of a tube of compact bone, enclosing the medullary cavity. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. |
| dens | 1. Tooth. 2. A toothlike process projecting upward from the body of the axis around which the atlas rotates. Also called odontoid process of epistropheus. |
| epiphysis | The end of a long bone that is originally separated from the main bone by a layer of cartilage but that later becomes united to the main bone through ossification. |
| false pelvis | the part of the pelvis superior to a plane passing through the iliopectineal lines. |
