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Med Term Chap 15


Acetabulum Rounded depression in the pelvis, which joins the femur, forming the hip joint
Acromion Outward extension of the sholder bone forming the point of the shoulder. It overlies the shoulder joint and articulates with the clavicle.
Articular cartilage Thin layer of cartilage occurring at the ends of long bones and covering any part that comes together with another bone to form a joint.
Bone Dense, hard connective tissue composing the skeleton.
Calcium One of the mineral constituents of bone.
Cancellous bone Spongy, porous, trabecular bone.
Cartilaginous tissue (cartilage) Flexible, rubbery connective tissue.
Collagen Dense connective tissue strands found in bone.
Compact bone Hard, dense bone tissue.
Condyle Knuckle-like process at the end of a bone near the joint.
Crandial bones Skull bones: ethmoid, frontal, occipital, parietal, sphenoid, and temporal.
Diaphysis Shaft or midportion of a long bone.
Disk 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 Lacrimal, mandible, maxillae, nasal, vomer, and zygomatic.
Fissure Narrow, slit-like opening in or between bones.
Fontanelle soft spot between the skull bones of an infant.
Foramen Opening or passage in bones where blood vessels, nerves, or both enter and leave.
Fossa Shallow cavity in a bone.
Haversian canals Minute spaces filled with blood vessels.
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 the bone.
Metaphysis The flared portion of a long bone, lying between the diaphysis and the epiphyseal plate.
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 bone tissue.
Osteoclast Bone cell that absorbs and removes unwanted bone tissue.
Periosteum Membrane surrounding bones; rich in blood vessels and nerve tissue.
Pubic symphysis Area of confluence of the two pubic bones.
Red bone marrow Found in cancellous bone.
Ribs These 24 elongated, curved bones form the bony wall of the chest.
Sella turcica Depression in the sphenoid bone where the pituitary gland is located.
Sinus Hollow cavity within a bone.
Styloid process pole-like process on the temporal bone.
Suture Joint between bones, such as the skull.
Temporomandibular joint Connection between the temporal base of the skull and mandibular bone of the jaw.
Trabeculae Supporting bundles of bony fibers in spongy bone.
Trochanter Large process on lateral proximal aspect of the femur; attachment site for muscles and tendons.
Tubercle Rounded process on bone
Vertebra An individual backbone
Xiphoid process Lower, narrow portion of the sternum.
Yellow bone marrow Fatty tissue found in the diaphyses of long bones in older individuals.
Articulation joint
Bursa sac of fluid near a joint
Ligament connective tissue binding bones to other bones; supports, strengthens, and stabilizes the joint.
Suture joint joint in which apposed surfaces are closely united; motion is minimal
Synovial cavity space between bonesat a synovial joint
Synovial fluid sticky fluid within the synovial cavity
Synovial joint a freely moving joint
Synovial membrane membrane lining the synovial cavity; produces synovial fluid
Tendon connective tissue that binds muscles to bones.
Flexion bending a limb
Extension straightening out a limb
Abduction movement away from the midline of the body
Adduction movement toward the midline of the body
Rotation circular movement around an axis
Dorsiflexion decreasing the angle of the ankle joint so that the foot bends upward
Plantar flexion the motion that extends the foot downward toward the ground; pointing the toes.
Supination As applied to the hand and forearm, the act of turning the palm forward, or up.
Pronation as applied to the hand and forarm, the act of turning the palm backward, or down.
Facia fibrous membrane separating and enveloping muscles.
Insertion of a musle connection of the muscle to a bone that moves
Origin of a muscle connection of the muscle to a stationary bone.
Skeletal muscle muscle connected to bones
Smooth muscle muscle conneted to internal organs
Striated muscle skeletal muscle
Visceral muscle smooth muscle
Created by: suprant