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Chapter 15: Muscle

Musculoskeletal System Vocabulary

Acetabulum Rounded depression, or socket, in the pelvis, which joins the femur, forming the hip joint
Acromion Outward extension of the shoulder blade forming the point of the shoulder
Articular Cartilage Thin layer of cartilage surrounding the bone in the joint space
Bone Dense, hard connective tissue composing the skeleton
Calcium One of the mineral constituents of bone
Cartilaginous Tissue Flexible, rubbery connective tissue
Collagen Dense, connective tissue protein strands found in bone and other tissues
Compact Bones Skull bones: ethmoid, frontal, occipital, parietal, sphenoid, and temporal
Diaphysis Shaft, or mid-portion, of a long bone
Disk (disc) Flat, round, plate-like structure. An intervertebral disk is a fibrocartilaginous substance between two vertebrae
Epiphyseal Plate Cartilaginous area at the ends of long bones where lengthwise growth takes place in the immature skeleton
Epiphysis Each end of a long bone; the area beyond the epiphyseal plate
Facial Bones Bones of the face: lacrimal, mandibular, maxillary, nasal, vomer, and zygomatic
Fissure Narrow, slit-like opening in or between bones
Fontanelle Soft spot (incomplete bone formation) between the skull bones of an infant
Foramen Opening or passage in bones where blood vessels and nerves enter and leave
Fossa Shallow cavity in a bone
Haversian canals Minute spaces filled with blood vessels; found in compact bone
Malleolus Round process on both sides of the ankle joint
Manubrium Upper portion of the sternum; articulates with the medial aspect of the clavicle
Mastoid Process Round projection on the temporal bone behind the ear
Medullary Cavity Central, hollowed-out area in the shaft of a long house
Metaphysis Flared portion of a long bone, between the diaphysis (shaft) and the epiphyseal place
Olecranon large process on the proximal end of the ulna; the point of the flexed elbow
Osseous Tissue Bone tissue
Ossification Process of bone formation
Osteoblast Bone cell that helps form bony tissue
Osteoclast Bone cell that absorbs and removes unwanted bony tissue
Periosteum Membrane surrounding bones; rich in blood vessels and nerve tissue
Phosphorus Mineral substance found in bones in combination with calcium
Pubic Symphysis Area of confluence of the two pubic bones in the pelvis
Red Bone Marrow Found in cancellous bone; site of hematopoiesis
Ribs Twelve pairs of curved bones that form the chest wall
Sella Turcica Depression in the sphenoid bone where the pituitary gland is located
Sinus Hollow air cavity within a bone
Styloid Process Pole-like process extending downard from the temporal bone on each side of the skull
Suture Joint between bones, such as the skull
Temporomandibular Joint Connection on either side of the head between the temporal bone of the skull and madibular bone of the jaw
Trabeculae Supporting bundles of body fibers in cancellous bone
Trochanter Large process at the neck of the femur; attachment site for muscles and tendons
Tubercle Rounded, small process on bone; attachment site for muscles and tendons
Tuberosity Rounded process on bone; attachment site for muscles and tendons
Vertebra Individual backbone composed of the vertebral body, vertebral arch, spinous process, transverse process, lamina, and neural canal
Xiphoid Process Lower, narrow portion of the sternum
Yellow Bone Marrow Fatty tissue found in the medullary cavity of most adult long bones
Created by: oxdaniellexo