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Advanced Medical Terminology
Lesson 15: Musculoskeletal System; Part 1- Bones
107
Medical
Professional
08/20/2008

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Term
ACETABULUM
Definition
Rounded depression, or socket, in the pelvis, which joins the femur, forming the hip joint
Term
ACROMION
Definition
Outward extension of the shoulder blade forming the point of the shoulder. It overlies the shoulder joint and articulates with the clavicle
Term
ARTICULAR CARTILAGE
Definition
Thin layer of cartilage surrounding the bone in the joint space
Term
BONE
Definition
Dense, hard, connective tissue composing the skeleton. Examples are long bones (femur), short bones (carpals), flat bones (scapula), and sesamoid bones (patella)
Term
CALCIUM
Definition
One of the mineral constituents of bone. Calcium phosphate is the major calcium salt in bones
Term
CANCELLOUS BONE
Definition
Spongy, porous bone tissue in the inner part of a bone
Term
CARTILAGINOUS TISSUE
Definition
Flexible, rubbery connective tissue. It is found in the immature skeleton, at the epiphyseal growth plate, and on joint surfaces
Term
COLLAGEN
Definition
Dense connective tissue protein strands found in bone and other tissue
Term
COMPACT BONE
Definition
Hard, dense bone tissue, usually found around the outer portion of bones
Term
CONDYLE
Definition
Knuckle-like process at the end of a bone near the joint
Term
CRANIAL BONES
Definition
Skull bones; ethmoid, frontal, occipital, parietal, sphenoid, and temporal
Term
DIAPHYSIS
Definition
Shaft, or mid-portion, of a long bone
Term
DISK (DISC)
Definition
Flat, round, plate-like structure
Term
EPIPHYSEAL PLATE
Definition
Cartilaginous area at the ends of long bones where lenthwise growth takes place in the immature skeleton
Term
EPIPHYSIS
Definition
Each end of a long bone; the area beyond the epiphyseal plate
Term
FACIAL BONES
Definition
Bones of the face: lacrimal, mandibular, maxillary, nasal, vomer, and zygomatic
Term
FISSURE
Definition
Narrow slit-like opening in or between bones
Term
FONTANELLE
Definition
Soft spot (incomplete bone formation) between the skull bones of an infant
Term
FORAMEN
Definition
Opening or passage in bones where the blood vessels and nerves enter and leave. The foramen magnum is the opening of the occipital bone through which the spinal cord passes
Term
FOSSA
Definition
Shallow cavity in a bone
Term
HAVERSIAN CANALS
Definition
Minutes spaces filled with blood vessels; found in compact bone
Term
MALLEOLUS
Definition
Round process on both sides of the ankle joint. The lateral malleolus is part of the fibula and the medial malleolus is part of the tibia.
Term
MANUBRIUM
Definition
Upper portion of the sternum; articulates with the medial aspect of the clavicle
Term
MASTOID PROCESS
Definition
Round projection on the temporal bone behind the ear
Term
MEDULLARY CAVITY
Definition
Central, hollowed-out area in the shaft of a long bone
Term
METAPHYSIS
Definition
Flared portion of a long bone, between the diaphysis and the epiphyseal plate
Term
OLECRANON
Definition
Large process on the proximal end of the ulna; the point of the flexed elbow
Term
OSSEOUS TISSUE
Definition
Bone tissue
Term
OSSIFICATION
Definition
Process of bone formation
Term
OSTEOBLAST
Definition
Bone cell that helps form bony tissue
Term
OSTEOCLAST
Definition
Bone cell that absorbs and removes unwanted bony tissue
Term
PERIOSTEUM
Definition
Membrane surrounding bones; rich in blood vessels and nerve tissue
Term
PHOSPHORUS
Definition
Mineral substance found in bones in combination with calcium
Term
PUBIC SYMPHYSIS
Definition
Area of confluence (coming together) of the two pubic bones in the pelvis. They are joined by a fibrocartilaginous disk
Term
RED BONE MARROW
Definition
Found in cancellous bone; site of hematopoiesis
Term
RIBS
Definition
Twelve pairs of curved bones that form the chest wall. True ribs are the first seven pairs; false ribs are pairs eight through the; floating ribs are pairs eleven and twelve
Term
SELLA TURCICA
Definition
Depression in the sphenoid bone where the pituitary gland is located
Term
SINUS
Definition
Hollow aircavity within the bone
Term
STYLOID PROCESS
Definition
Pole-like process extending downward from the temporal bone on each side of the skull
Term
SUTURE
Definition
Joint between bones, such as the skull
Term
TEMPOROMANDIBULAR JOINT
Definition
Connection on either side of the head between the temporal bone of the skull and mandibular bone of the jaw
Term
TRABECULAE
Definition
Supporting bundles of bony fibers in cancellous (spongy) bone
Term
TROCHANTER
Definition
Large process at the neck of the femur; attachment site for muscles and tendons
Term
TUBERCLE
Definition
Rounded, small process on bone; attachment site for muscles and tendons
Term
TUBEROSITY
Definition
Rounded process on a bone; attachment site for muscles and tendons
Term
VERTEBRA
Definition
Individual backbone composed of the vertebral body, vertebral arch, spinous process, transverse process, lamina, and neural canal
Term
XIPHOID PROCESS
Definition
Lower, narrow portion of the sternum
Term
YELLOW BONE MARROW
Definition
Fatty tissue found in the medullary cavity of most adult long bones
Term

CALC/O

CALCI/O

Definition
Calcium
Term
KYPH/O
Definition
Humpback, hunchback
Term
LAMIN/O
Definition
Lamina
Term
LORD/O
Definition
Curve, swayback
Term
LUMB/O
Definition
Loins, lower back
Term
MYEL/O
Definition
Bone marrow
Term
ORTH/O
Definition
Straight
Term
OSTE/O
Definition
Bone
Term
SCOLI/O
Definition
Crooked, bent
Term
SPONDYL/O
Definition
Vertebra
Term
VERTEBR/O
Definition
Vertebra
Term
-BLAST
Definition
Embryonic, immature
Term
-CLAST
Definition
Break down
Term
-LISTHESIS
Definition
Slipping
Term
-MALACIA
Definition
Softening
Term
-PHYSIS
Definition
To grow
Term
-POROSIS
Definition
Pore, passage
Term
-TOME
Definition
Instrument to cut
Term
ACETABUL/O
Definition
Acetabulum (hip socket)
Term
CALCANE/O
Definition
Calcaneus (heel)
Term
CARP/O
Definition
Carpals (wrist bones)
Term
CLAVICUL/O
Definition
Clavicle (collar bone)
Term
COST/O
Definition
Ribs
Term
CRANI/O
Definition
Skull, cranium
Term
FEMOR/O
Definition
Femur (thigh bone)
Term
FIBUL/O
Definition
Fibula (smaller lower leg bone)
Term
HUMER/O
Definition
Humerus (upper arm bone)
Term
ILI/O
Definition
Ilium (upper part of pelvic bone)
Term
ISCHI/O
Definition
Ischium (posterior part of the pelvic bone)
Term
MALLEOL/O
Definition
Malleolus (process on each side of the ankle)
Term
MANDIBUL/O
Definition
Mandible (lower jaw)
Term
MAXILL/O
Definition
Maxilla (upper jaw)
Term
METACARP/O
Definition
Metacarpals (hand bones)
Term
METATARS/O
Definition
Metatarsals (foot bones)
Term
OLECRAN/O
Definition
Olecranon (elbow)
Term
PATELL/O
Definition
Patella (knee cap)
Term
PELV/I
Definition
Pelvis (hipbone)
Term
PERONE/O
Definition
Fibula
Term
PHALANG/O
Definition
Phalanges (finger/toe bones)
Term
PUB/O
Definition
Pubis (anterior part of the pelvic bone)
Term
RADI/O
Definition
Radius (lower arm bone-thumb side)
Term
SCAPUL/O
Definition
Scapula (shoulder blade)
Term
STERN/O
Definition
Sternum (breastbone)
Term
TARS/O
Definition
Tarsals (foot bones)
Term
TIBI/O
Definition
Tibia (shin bone)
Term
ULN/O
Definition
Ulna (lower arm bone-little finger side)
Term
EWING SARCOMA
Definition
Malignant bone tumor. Usually has pain and swelling and occurs at a young age.
Term
EXOSTOSIS
Definition
Bony growth arising from the surface of bone. Osteochondromas are usually on the metaphyses near the epiphyseal plate
Term
FRACTURE
Definition
Traumatic breaking of a bone. Closed fracture, in the skin. Pathologic fracture is due to disease. Crepitus is bone rubbing noise.
Term
COLLES FRACTURE
Definition
Occurs near wrist joint at lower end of the radius
Term
COMMINUTED FRACTURE
Definition
Bone is splintered or crushed into several pieces
Term
COMPRESSION FRACTURE
Definition
Bone is compressed; often occurs in vertebrae
Term
GREENSTICK FRACTURE
Definition
Bone is partially broken; it breaks on one surface and only bends on the other. Occurs in children
Term
IMPACTED FRACTURE
Definition
One bone fragment is driven firmly into the other
Term
OSTEOGENIC SARCOMA
Definition
Malignant tumor arising from bone (osteosarcoma).
Term
OSTEOMALACIA
Definition
Softening of bone, with inadequate amounts of mineral in the bone. AKA rickets.
Term
OSTEOMYELITIS
Definition
Inflammation of the bone and bone marrow secondary to infection.
Term
OSTEOPOROSIS
Definition
Decrease in bone density (mass); thinning and weakening of bone. AKA osteopenia.
Term
TALIPES
Definition
Congenital abnormality of the hindfoot (involving the talus). Most common form is clubfoot.
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