Chapter 6, Medical Terminology
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Articular cartilage | Thin layer of cartilage that covers the ends of the long bones and the surfaces of the joints.
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bone depressions | Concave, indented areas or openings in bones.
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Bone markings | Specific features of individual bones.
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Bone processes | Projections or outgrowths of bones.
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Cancellous bone (CAN-sell-us) | Spongy bone, not as dense as compact bone.
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cervical vertebrae | ertebrae or bones of the neck, C1 - C7.
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compact bone | Hard outer shell of the bone.
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condyle (CON-dyle) | Knucklelike projection at the end of a bone.
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crest | Distinct border or ridge, as in iliac crest.
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diaphysis | Main shaftlike portion of a bone.
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epiphyseal line | A layer of cartilage that separates the diaphysis fron the epiphysis of a bone, also known as the epiphyseal plate.
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epiphysis (eh-PIFF-ih-sis) | The end of a bone
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false ribs | Rib pairs 8 through 10, which connect to the vertebrae in the back but notto the sternum in the front because they join the seventh rib in the front.
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fissure | A groove or depression in a bone; a sulcus.
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flat bones | Bones that are broad and thin with flat or curved surfaces, such as the sternum.
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floating ribs | Rib pairs 11 and 12, which connect to the vertebrae in the back but are free of any attachment in the front.
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fontanell or fontanel | Space between the bones of an infant's cranium, "soft spot".
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foramen | Hole in a bone through which blood vessels or nerves pass.
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fossa | Hollow or concave depression in a bone.
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haversian canals | System of small canals within compact bone that contain blood essels, lymphatic vessels, and nerves.
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hematopoiesis | The normal formation and development of blood cells in the bone marrow.
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intercostal spaces Inter = between cost/o = ribs -al = pertaining to | Spaces between the ribs
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intervertebral disk | A flat, circular, platelike structure of cartilage that serves as a cushion (or shock absorber) between the vertebrae.
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long bones | Bones that are longer than they are wide and with distinctive shaped ends, such as the femur.
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lumbar vertebrae lumb/0 = loins, lower back -ar = pertaining to vertebr/o = vertebra | The vertebrae of the lower back, 1.1 through 1.5.
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medullary cavity (MED-u-lair-ee) | The center portion of the shaft of the long bone containing the yellow marrow.
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ossification | The conversion of cartilage and fibrous connective tissue to bone; the formation of bone.
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osteoblasts oste/o = bone -blast = immature, embryonic | Immature bone cells that actively produce bony tissue.
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osteoclasts oste/o = bone -clast = something that breaks | large cells that absorb or digest old bone tissue.
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osteocytes oste/o = bone -cyte = cell | Mature bone cells.
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periosteum peri = around oste/o = bone -um = noun ending | The thick, white, fibrous membrane that coers the surface of a long bone.
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red bone marrow | The soft, semifluid substance located in teh small spaces of cancellous bone that is the source of blood cell production.
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resorption | The process of removing or digesting old bone tissue.
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sesamoid bones | Irregular bones imbedded in tendons near a joint, as in the kneecap or between digits.
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short bones | Bones that are about as long as they are wide and somewhat box-shaped, such as the wrist bone.
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sinus | An opening or hollow space in a bone; a cavity within a bone.
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spine | A sharp projection from the surface of a bone, similar to a crest.
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stenosis sten/o =short, contracted, or narrow -osis = condition | An abnormal condition characterized by a narrowing or restriction of an opening or passageway in a body structure.
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sulcus | A groove or depression in a bone; a fissure.
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sutures | Immovable joints, such as those of the cranium.
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thoracic vertebrae thorac/o = chest -ic = pertaining to vertebr/o = vertebra | The 12 vertebrae of the chest, T1 through T12.
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trabeculae | Needlelike bony spicules within cancellous bone that contribute to the spongy appearance. Their distribution along lines of stress adds to the strength of the bone.
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trochanter | Large bony process located below the neck fo the femur.
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true ribs | the first seven pairs of ribs, which connect to the vertebrae in the back and to the sternum in the front.
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tuburcle | A small rounded process of a bone.
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tuberosity | An elevated, broad, rounded process of a bone.
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vertebral foramen | A large opening in the center of each vertebrae that serves as a passageway for the spinal cord.
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yellow marrow | Located in the diaphysis of long bones, yellow marrow consists of fatty tissue and is inactive in the formation of blood cells.
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acetabular acetabul/o = acetabulum | Pertaining to the acetabulum, the cup-shaped socket of the hip joint which is a key feature of the pelvis.
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hypocalcemia calc/o, calc/i = calcium | reduction of the blood calcium below normal.
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calcaneodynia calcane/o = heel bone | pain in the heel, or calcaneus.
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carpal carp/o | wrist; of or pertaining to the carpus, or wrist.
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supraclavicular clavicul/o = collarbone | superior to the clavical
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coccygeal coccyg/o = coccyx | pertaining to or located in the region of the coccyx.
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costochondral cost/o = ribs | pertaining to a rib and its cartilage.
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craniotomy crani/o = skull, cranium | any operation on the cranium; incision into the cranium.
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femoral femor/o = femur | pertaining to the femur, or to the thigh.
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fibular fibul/o = fibula | pertaining to the fibula or to the lateral aspect of the leg; peroneal.
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osteogenesis gen/o = to produce | formation of bone; the development of the bones.
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humeral humer/o = humerus |
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iliac ili/0 = ilium | pertaining to the os ilium.
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kyphosis kyph/o = humpback; pertaining to a hump | 1. an area of the vertebral column that is convex. 2. abnormally increased convexity in the curvature of the thoracic vertebral column as viewed from the side.
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laminectomy lamin/o = lamina | excision of the posterior arch of a vertebra.
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lordosis lord/o = swayback; bent | 1. a concave portion of the vertebral column as seen from the side.
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lumbar lumb/o = loins, lower back | pertaining to the loins, the parts of the sides of the back between the thorax and the pelvis.
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malacotomy malac/o = softening |
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osteomalacia -malacia = softening | inadequate or delayed mineralization of osteoid in mature cortical and spongy bone; it is the adult equivalent of rickets and accompanies that disorder in children.
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mandibular mandibul/o = mandible (lower jaw bone) | pertaining to the jawbone.
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mastoiditis mastoid/o = mastoid process | Mastoiditis: Inflammation of the mastoid, which often occurs secondarily to ear infection
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maxillary maxill/o = upper jaw | pertaining to; relating to the upper jaw.
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metacarpals metacarp/o = hand bones | Five cylindrical bones extending from the wrist to the fingers.
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metatarsalgia metatars/o = foot bones | pain and tenderness in the metatarsal region.
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osteomyelitis myel/o = spinal cord or bone marrow | inflammation of bone caused by infection.
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olecranon olecran/o = elbow | the proximal bony projection of the ulna at the elbow, its anterior surface forming part of the trochlear notch.
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orthopedics orth/o = straight | the branch of surgery that is specially concerned with the preservation and restoration of the function of the skeletal system, its articulations, and associated structures.
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osteoma oste/o = bone | a benign, slow-growing tumor composed of well-differentiated, densely sclerotic, compact bone, usually arising in membrane bones, particularly the skull and facial bones.
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patella patell/o, patell/a = kneecap | a triangular sesamoid bone, about 5 cm in diameter, situated at the front of the knee in the tendon of insertion of the quadriceps extensor femoris muscle. Called also knee cap
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pelvimetry pelv/i = pelvis | the measurement of the dimensions and capacity of the pelvis, as by x-ray, computed tomography, or magnetic resonance imaging.
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phalangitis phalang/o = fingers, toes | inflammation of one or more phalanges.
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diaphysis -physis = growth, growing | the elongated cylindrical portion of a long bone.
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osteoporosis por/o = cavity, opening, passage, or pore -porosis = porous; lessening in density | reduction in bone mineral density, leading to fractures after minimal trauma.
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pubic pub/o = pubis | pertaining to or situated near the pubes, the os pubis, or the pubic region.
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rachitis rach/i = spinal column | rickets
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radial radi/o = radiation; also refers to the radius | pertaining to the radius. The radius is one of the two lower arm bones that joins the humerus above and the wrist bones below.
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scapular scarul/o = shoulder blade | pertaining to the scapula; the flat, triangular bone in the back of the shoulder, articulating with the ipsilateral clavicle and humerus; called also shoulder blade.
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scoliosis scoli/o = crooked, bent | an appreciable lateral deviation in the normally straight vertical line of the spine.
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spondylosis spondyl/o = vertebra | degenerative spinal changes due to osteoarthritis.
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stenosis sten/o = short, contracted, or narrow | an abnormal narrowing of a duct or canal.
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substernal stern/o = sternum | inferior to or deep to the sternum; called also infrasternal.
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tarsals tars/o = ankle bones | any of the bones of the tarsus. Ankle and foot.
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temporal tempor/o = temples of the head | 1. pertaining to the lateral region of the head, superior to the zygomatic arch.
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intervertebral vertebr/o = vertebra | between two contiguous vertebrae.
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C1, C2, C3,... | Cervical vertebra 1, 2, 3, etc.
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DEXA | dual energy X-ray absorptiometry
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DIP | distal interphalangeal (joint)
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Fx | fracture
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L1, L2, L3, ... | lumbar vertebra 1, 2, 3, etc.
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LLE | left lower extremity
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LUE | left upper extremity
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MCP | metacarpophalangeal (joint)
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MTP | metatarsophalangeal (joint)
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PIP | proximal interphalangeal (joint)
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RLE | right lower extremity
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RUE | right upper extremity
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S1 | sacrum
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T1, T2, T3,... | thoracic vertebra 1, 2, 3, etc.
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THA | total hip arthroplasty
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THR | total hip replacement
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TKA | total knee arthroplasty
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TKR | total knee replacement
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TMJ | tempromandibular joint
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ethmoid bone | ethmoid=perforated like a sieve.
The ethmoid bone is a bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits.
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Ewing's sarcoma | a highly malignant, metastatic, primary tumor of bone, closely related to a primitive neuroectodermal tumor; it is usually found in the diaphyses of long bones, ribs, or flat bones of children or adolescents.
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femur | the bone that extends from the pelvis to the knee, being the longest and largest bone in the body; thigh bone.
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fibula | the outer and smaller of the two bones of the leg. Calf bone.
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humerus | the bone that extends from the shoulder to the elbow.
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hyoid bone | The hyoid bone (lingual bone) is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage
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ischial | Pertaining to the ischium. The ischium forms the lower and back part of the hip bone. It's what we sit on.
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lacrimal bones | The lacrimal bone, the smallest and most fragile bone of the face, is situated at the front part of the medial wall of the orbit.
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medullary cavity | The medullary cavity is the space in a bone where a soft, flexible substance called marrow is stored.
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metatarsals | five miniature long bones of
foot, concave on plantar and
slightly convex on dorsal
surface.
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nasal conchae | a nasal concha (or turbinate) is a long, narrow and curled bone shelf (shaped like an elongated sea-shell) that protrudes into the breathing passage of the nose.
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occipital bone | unpaired bone constituting
back and part of base of skull.
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osteogenic sarcoma | a malignant tumor arising from bone. Also known as osteosarcoma.
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palatine bones | paired cranial bone, the two forming
posterior portions of bony
palate. L-shaped nasal and hard palate.
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parietal bones | paired bone. The parietal bones /pəˈraɪɨtəl/ are bones in the human skull which, when joined together, form the sides and roof of the cranium.
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phalanges | fingers and toes
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sacrum | lower back. wedge-shaped bone formed
usually by fusion of 5
vertebrae
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sphenoid bone | unpaired. Optic region. shaped somewhat like a butterfly.
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talipes equinovarus | a deformity of the foot in which the heel is turned inward from the midline of the leg and the foot is plantar flexed
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tibia | shin bone. medial and larger of 2 bones
of lower leg.
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ulna | forearm. medial and longer of 2 bones
of forearm
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vertebrae | back. separate segments of vertebral
column
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vomer | skull bone. thin bone forming posterior
and posteroinferior part of
nasal septum
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zygomatic bones | skull bone. bone forming hard part of
cheek and lower, lateral
portion of rim of each orbit
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