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219 Cards in this Set
- Front
- Back
Musculoskeletal System |
2 systems that work together to support the body and allow movement |
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ossification |
the formation of bone from fibrous tissue |
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Cortical bone |
hard, dense, strong bone that forms the outer layer of bone |
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cancellouse bone |
lighter, less strong bone that is found in the ends and inner portions of long bones |
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Epiphysis |
wide end of a long bone, which is covered with articular cartilage |
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proximal epiphysis |
located nearest the midline of the body |
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distal epiphysis |
located farthest away from the midline of the body |
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Diaphysis |
Shaft of a long bone that is composed mainly of compact bone |
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Physis |
Cartilage segment of long bone that involves growth of the bone growth plate epiphyseal cartilage |
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metaphysis |
wider part of long bone shaft located adjacent to the physis |
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periosteum |
tough, fibrous tissue that forms the outer covering of bone |
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endosteum |
tough, fibrous tissue the lining of the medullary cavity |
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long bones |
Bones consisting of shaft, two ends, and a marrow cavity |
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short bones |
cube-shaped bones with no marrow cavity |
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flat bones |
thin, flat bones |
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pneumatic bones |
sinus-containing bones |
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irregular bones |
unpaired bones |
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sesamoid bones |
small bones embedded in a tendon |
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osteoblasts |
immature bone cells that produce bony tissue |
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osteoclasts |
phagocytic cells that eat away bony tissue from the medullary cavity |
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Oste/o oss/e oss/i |
bone |
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hematopoietic |
produces blood cells |
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medullary cavity |
the inner space of bone |
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Cartilage |
another form of connective tissue that is more elastic than bone |
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Articular Cartilage |
specific type of cartilage that covers joint surfaces of bone |
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Meniscus |
a curved fibrous cartilage found in some joints, and cushions forces applied to the joint |
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chondr/o |
cartilage |
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Joints |
connections between bones |
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Articulations |
joints |
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arthr/o |
joints |
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Synarthroses |
joints that allow no movement |
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Amphiarthroses |
joints that allow slight movement |
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Diarthroses |
joints that allow free movement |
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suture |
a jagged line where bones join and form a nonmovable joint |
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frontanelle |
a soft spot remaining at the junction of sutures that usually closes after birth |
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symphysis |
a joint where two bones join and are held firmly together so that they function as one bone |
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cartilaginous joint |
another term for symphysis |
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synovial joints |
ball and socket joints or enarthrosis |
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Ball-and-socket joints |
allow a wide range of motion in many directions |
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Arthrodial joints Condyloid joints |
oval projections that fit into a socket |
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Trochoid joints |
pulley-shaped joints *like the connection between the atlas to the axis |
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Hinge joints |
allow motion in one place or direction elbow joints |
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Gliding joints |
move or glide over each other *vertebrea |
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Saddle joint |
located in the carpometacarpal joint of the thumb |
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ligament |
a band of fibrous connective tissue that connects one bone to another bone |
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Ligament/o |
ligament |
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Tendon |
a band of fibrous connective tissue that connects to bone |
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ten/o tend/o tendin/o |
tendon |
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bursa |
a fibrous sac that acts as a cushion to ease of movement in areas of friction |
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burs/o |
bursa |
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Synovial membrane |
the inner lining that secretes synovial fluid, which acts as a lubricant to make joint movement smooth |
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Synovi/o |
synovial membrane/fluid |
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Axial skeleton |
framework of the body that includes the skull, auditory ossicles, hyoid bones, vertebral column, ribs, and sternum |
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appendicular skeleton |
the framework of the body that consists of the extremities, shoulder, and pelvic girdle |
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Cranium |
the portion of the skull that encloses the brain |
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crani/o |
skull |
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frontal |
bone that forms the roof of the cranial cavity |
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parietal |
paired bones that form the roof of the caudal cranial cavity |
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Occipital |
forms the caudal aspect of the cranial cavity where the foramen magnum is located |
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foramen magnum |
the opening for the spinal cord |
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Temporal |
paired bones that form the sides and base of the cranium |
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sphenoid |
paired bones that form part of the base of the skull and parts of the floor and sides of the bony eye socket |
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ethmoid |
forms the rostral part of the cranial cavity |
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incisive |
forms the rostral part of the hard palate and lower edge of nares |
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brachycephalic |
dogs have short, wide heads |
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Dolichocephalic |
dogs have narrow, long heads |
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Mesocephalic |
dogs have average width to their heads |
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pterygoid |
forms the lateral wall of the nasopharynx |
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sinuses |
air or fluid-filled spaces |
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Zygomatic bones |
projections from the temporal and frontal bones to form the cheekbone |
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maxilla bones |
forms the upper jaw |
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mandiblebones |
forms the lower jaw |
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palatinebones |
forms part of the hard palate |
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lacrimalbones |
forms the medial part of the orbit |
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incisivebones |
forms the rostral part of the hard palate and lower edge of nares |
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nasalbones |
forms the bridge of the nose |
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vomer bones |
forms the base of the nasal septum |
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nasal septum |
the cartilaginous structure that divides the two nasal cavities |
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hyoid bone |
bone suspended between the mandible and the laryngopharynx |
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Vertebral column, spinal column, backbone |
supports the head and body and protects the spinal cord |
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Spondyl/o vertebr/o |
vertebra |
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body |
the solid portion ventral to the spinal cord |
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arch |
the dorsal part of the vertebra that surrounds the spinal cord |
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lamina |
is the left or right dorsal half of the arch |
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Spinous process |
a single projection from the dorsal part of the vertebral arch |
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Transverse process |
project laterally from the right and left sides of the vertebral arch |
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Articular processes |
paired cranial and caudal projections located on the dorsum of vertebral arch |
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Foramen |
opening |
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intervertebral discs |
separates and cushions vertebrae from each other |
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atlas |
C1 |
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axis |
C2 |
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Ribs |
paired bones that attach to thoracic vertebrae |
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cost/o |
ribs |
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sternum |
breastbone forms the midline ventral portion of the rib cage |
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manubrium |
the cranial portion of the sternum |
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xiphoid process |
the caudal portion of the sternum |
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thoracic cavity rib cage |
protects the heart and lungs |
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Scapula |
Shoulder blade a large triangular bone on the side of the thorax |
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Clavicle |
Collarbone a slender bone that connects the sternum to the scapula |
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vestigial clavicle |
rudimentary clavicle |
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humerus |
the long bone of the proximal front limb brachium |
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radius |
cranial bone of the front limb |
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ulna |
caudal bone of the front limb |
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olecranon |
forms the point of the elbow |
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carpal bone |
irregularly shaped bones in the wrist in people |
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carpus |
wrist |
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carpus |
knee in large animals |
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metacarpals |
bones found distal to the carpus |
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splint bones |
in horses metacarpals II and IV |
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Interosseous |
ligament to the large III metacarpal bone- cannon bone |
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Phalanges |
bones of the digit |
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Digits |
bones analogous to the human finger and very in number in animals |
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Dewclaw |
Digit I |
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Ungulates |
animals with hooves |
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fetlock joint |
the joint between Metacarpal III and the digit |
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Pastern joint |
the joint between P1 and P2 |
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coffin joint |
the joint between P2 and P3 |
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long pastern bone |
P1 |
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short pastern bone |
P2 |
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Coffin bone |
P3 |
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Claw |
P3 |
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onych/o |
claw |
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onychectomy |
declaw |
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Sesamoid bones |
smaller nodular bones embedded in a tendon or joint capsule |
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pelvis |
hip consists of three pairs of bones: ilium ischium pubis |
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ilium |
the largest pair of bones in the pelvis that is blade-shaped |
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Sacroiliac joint |
articulates the ilium to the sacrum |
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ischium |
the caudal pair of bones |
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pubis |
the ventral pair of bones that are fused on midline by a cartilaginous joint |
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acetabulum |
the large socket of the pelvis bone that forms where the three bones meet |
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femur |
thigh bone the proximal long bone of the rear leg |
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femoral head |
head of the femur |
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trochanters |
large, flat, broad projections on a bone |
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condyles |
rounded projection |
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patella |
a large sesamoid bone in the rear limb |
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stifle joint |
the joint that houses the patella |
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popliteal |
sesamoid joint located on the caudal surface of the stifle |
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tibia |
the larger and more weight-bearing bone of the two |
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fibula |
long, slender bone |
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crus |
the area of the rear limb between the stifle and hock |
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tarsus |
the ankle is small animals |
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hock |
the ankle in large animals |
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talus |
on of the tarsal bones |
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calcaneus |
the long, lateral tarsal bone located in the proximal row of tarsal bones |
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aperture |
opening |
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canal |
tunnel |
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condyle |
rounded projection |
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crest |
high projection or border projection |
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crista |
ridge |
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dens |
toothlike structure |
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eminence |
surface projection |
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facet |
smooth area |
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foramen |
hole |
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fossa |
trench or hollow depressed area |
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fovea |
small pit |
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head |
major protrusion |
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lamina |
thin, flat plate |
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line |
low projection or ridge |
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malleolus |
rounded projection |
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meatus |
passage or opening |
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process |
projection |
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protuberance |
projecting part |
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ramus |
branch or smaller structure given off by a larger structure |
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sinus |
space or cavity |
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spine |
sharp projection |
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sulcus |
groove |
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suture |
seam |
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trochanter |
broad, flat projection |
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trochea |
pulley-shaped structure in which other structures pass on articulate |
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tubercle |
small, rounded surface projection |
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tuberosity |
projecting part |
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ankylosis |
loss of joint mobility caused by disease, injury, or surgery |
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arthralgia |
joint pain |
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arthritis |
inflammatory condition of joint |
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arthrodynia |
joint pain |
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arthropathy |
joint disease |
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bursitis |
inflammation of the bursa |
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chondromalacia |
abnormal cartilage softening |
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discospondylitis |
inflammation of the intervertebral disc and vertebrae |
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exostosis |
benign growth on the bone surface |
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gouty arthritis |
joint inflammation associated with the formation of uric acid crystals in the joint |
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hip dysplasia |
abnormal development of the pelvic joint causing the head of the femur and the acetabulum not to be aligned properly |
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intervertebral disc disease |
rupture or protrusion of the cushioning of the disc found between the vertebrae that results in pressure on the spinal cord or spinal nerve roots Herniated disc ruptured disc IVDD |
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Kyphosis |
dorsal curvature of the spine hunchback |
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Legg-Calve Perthes disease |
idiopathic necrosis of the femoral head and neck of small breed dogs |
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lordosis |
position in which the vertebral column is abnormally curved ventrally swayback |
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luxation |
dislocation or displacement of a bone from its joint |
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myeloma |
tumor composed cells derived from hematopoietic tissues of bone marrow |
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ostealgia |
bone pain |
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osteitis |
inflammation of bone |
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osteoarthritis |
degenerative joint disease commonly associated with aging or wear and tear on joints |
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osteochondrosis |
degeneration or necrosis of bone and cartilage followed by regeneration or recalcification |
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osteochondrosis dissecans |
degeneration or necrosis of bone and cartilage followed by regeneration or recalcification |
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Osteomalacia |
abnormal softening of bone |
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osteomyelitis |
inflammation of bone and bone marrow |
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osteonecrosis |
death of bone tissue |
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osteoporosis |
abnormal condition of marked loss of bone density and an increase in bone porosity |
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osteosclerosis |
abnormal hardening of bone |
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periostitis |
inflammation of the fibrous that form the outermost covering of bone |
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rheumatoid arthritis |
autoimmune disorder of connective tissue and joints |
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sequestrum |
piece of dead bone that is partially or fully detachted from the adjacent health bone |
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Spondylosis deformans |
chronic degeneration of the articular processes and the development of bony outgrowth around the ventral edge of the vertebrea |
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subluxaton |
partial dislocation or displacement of bone from its joint |
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synovitis |
inflammation of the synovial membrane of joints |
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avulsion fracture |
broken bone in which the site of muscle, tendon, or ligament insertion is detached by a forceful pull |
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callus |
bulging deposit around the area of a bone fracture that may eventually become bone |
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closed fracture |
broken bone in which there is no open wound in the skin simple fracture |
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comminuted fracture |
broken bone that is splintered or crushed into multiple pieces |
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compression fracture |
broken bone produced when the bones are pressed together |
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crepitation |
cracking sensation that is felt and heard when broken bones move together |
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fracture |
broken bone |
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greenstick fracture |
bone that is broken only on one side and the other side is bent incomplete fracture |
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immobilizatoin |
act of holding, suturing, or fastening a bone in a fixed position usually with a bandage or cast |
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manipulation |
attempted realignment of the bone involved in a fracture or dislocation reduction |
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oblique fracture |
broken bone that has an angular break diagonal to the long axis |
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open fracture |
broken bone in which there is an open wound in the skin compound fracture |
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physeal fracture |
bone that is broken at the epiphyseal line or growth plate Salter-Harris I-V fractures |
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Spiral fracture |
broken bone in which the bone is twisted apart or spiraled apart |
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transverse fractures |
broken bone that is broken at right angles to its axis or straight across the bone |