A & P Chapt. 5: The Skeletal System

Front 1

the cup-shaped cavity on the lateral surface of the hip-bone receiving the head of the femur

Back 1

Acetabulum

Front 2

lateral extension of the spine of the scapula, formin the highest point of the shoulder

Back 2

Acromion

Front 3

wing-like process

Back 3

ala

Front 4

slightly flexible joints

Back 4

amphiarthrotic

Front 5

a small ring or encricling structure

Back 5

annulus

Front 6

"soft spot"-point where coronal sutures unite with the sagittal suture

Back 6

anterior fontanel

Front 7

the bones of the limbs and supporting thoracic and pelvic girdles

Back 7

appendicular skeleton

Front 8

the saclike envelope enclosing the cavity of a synovial joint

Back 8

articular capsule

Front 9

arise at the junction between the pedicles and the laminae. Superior/inferior on eac side of the vertebrae

Back 9

articular processes

Front 10

the armpit

Back 10

axilla

Front 11

spherical head into corresponding socket giving universal movement; i.e hip, shoulder

Back 11

ball and socket joint

Front 12

The point on the skull corresponding to the junction of the coronal and sagittal sutures.

Back 12

bregma

Front 13

a small sac filled with synovial fluid that cushions adjacent structures and reduces friction

Back 13

bursa

Front 14

the heelbone, the largest of the tarsal bones

Back 14

calcaneus

Front 15

a thyroid secretion that acts to protect against increases in plasma calcium by stimulating bone formation

Back 15

calcitonin

Front 16

microscopic passages between cells; in bone they permit the diffusion of nutrients and wastes to and from osteocytes

Back 16

canaliculus

Front 17

sing. cancellus; a lattice like structure, as in spongy bone

Back 17

cancelli

Front 18

spongy bone- of a reticular, spongy or lattice-like structure

Back 18

cancellous bone

Front 19

a general term for small elevated, articular process; refers to the rounded distal surface of the humerus that articulates with the head of the radius

Back 19

capitulum

Front 20

a link of cartilage connects the bones. i.e joints between 1st pr of ribs and the manubrium of sternum

Back 20

cartilaginous joints

Front 21

the body of a vertebrae

Back 21

centrum

Front 22

one of 7 vertebrae in the human spine located in the neck region

Back 22

cervical vertebrae

Front 23

a low differentiated cell of the cartilage tissue turning into a chondrocyte.

Back 23

chondroblasts

Front 24

a cartilage cell

Back 24

chondrocytes

Front 25

area on the sternum, where it joins the medial end of the clavicle

Back 25

clavicular notch

Front 26

dense bone that contains parallel osteons

Back 26

compact bone

Front 27

an egg-shaped articular surface on one bone fits into an oval concavity in the mating bone, allowing both side to side and back and forth motion. i.e. knuckles, wrist

Back 27

condyloid joint

Front 28

a hook shaped process of the scapula that projects above the anterior surface of the capsule of the shoulder joint

Back 28

coracoid process

Front 29

area on the inferior inner surface that carries a costal nerve and blood vessels

Back 29

costal grove

Front 30

a pair of intracapsular ligaments (anterior and posterior) in the knee

Back 30

cruciate ligaments

Front 31

triangular spear-shaped; trowel-shaped; having the general appearance of a triangle, with the terminal angle much further from the base than the lateral ones

Back 31

deltoid

Front 32

the shaft of the bone; a cylinder with an outer wall composed of compact bone, and an inner wall of cancellous bone with a marrow cavity in the center

Back 32

diaphysis

Front 33

freely flexible joint

Back 33

diarthrotic

Front 34

contains elastin fibers as well as colagen fibers ; extremely resilient and flexible; i.e. outer ear flap (auricle), epiglottis

Back 34

elastic cartilage

Front 35

situated, formed, or occurring within cartilage.

Back 35

endochondral

Front 36

a incomplete cellular lining on the inner (medullary) surfaces of bones

Back 36

endosteum

Front 37

the thin plate of cartilage between the epihysis and the metaphysis of growing bone...

Back 37

epiphyseal plate

Front 38

the ends of the bone; composed of a layer of compact bone lined with cancellous bone.

Back 38

epiphysis

Front 39

cartilage containing an abundance of collagen fibers; located around the edges of joints, in the intervertebral discs, the menisci of the knee

Back 39

fibrous cartilage

Front 40

bones are bound tightly together, generally synarthrotic. i.e. sutures of cranial bones

Back 40

fibrous joints

Front 41

last two pairs of ribs; no connection to the sternum

Back 41

floating ribs

Front 42

an opening or passage through a bone

Back 42

foramen/foramina

Front 43

a rounded deptression that forms the articular surface of the scapula at the shoulder joing

Back 43

glenoid cavity

Front 44

where the sciatic nerve goes through to reach the lower limb

Back 44

greater sciatic notch

Front 45

any of the anastamosing channels of the haversian system in compact bone; containing blood and lymph vessels and nerves

Back 45

Haversian canal

Front 46

surface shaped like a trough into which the mating cylindrical surface fits, ie. elbow, ankle, knee

Back 46

hinge joint

Front 47

glossy transulucent material that forms the bearing surface of joints between the long bones, and makes up costal cartilage of the ribs, supports the flexible part of the nose, and cartilagenous rings of the trachea

Back 47

hyaline cartilage

Front 48

an inorganic constituent of bone matrix, and teeth, imparting rigidity to these structures

Back 48

hydroxyapatite

Front 49

The superior most curved border of the fan-shaped ilium which connects the anterior to the posterior superior iliac spine

Back 49

iliac crest

Front 50

the largest of the three bones whose fusion creates an os coxae

Back 50

ilium

Front 51

a bone of the distal row of the tarsus; it articulates with the medial and lateral cuneiform, navicular, and second metatarsal bones

Back 51

intermediate cuneiform

Front 52

the fibrous connective tissue membrane between the shafts of the tibia and fibula and between the radius and ulna; an example of fibrous amphiarthrosis

Back 52

interosseous membrane

Front 53

a furrow running down the shaft of the humerus between the two tubercles, lodging the tendon of the long head of the biceps, and giving attachment in its floor to the latissimus dorsi muscle

Back 53

intertubercular groove

Front 54

a fibrocartilage pad between the bodies of successive vertebrae that absorbs shocks

Back 54

intervertebral disc

Front 55

an attachment site for a ligament that runs from ischium to sacrum

Back 55

ischial spine

Front 56

the rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position;

Back 56

ischial tuberosity

Front 57

one of the three bones whose fusion creates an os coxae

Back 57

ischium

Front 58

the large notch in the superior margin of the sternum

Back 58

jujular notch

Front 59

a small pit or cavity; lacuna

Back 59

lacunae

Front 60

area on skull at juncture of lamboidal and sagittal suture

Back 60

lambda

Front 61

a thin sheet or layer

Back 61

lamina

Front 62

condyle farthest from the midline

Back 62

lateral condyle

Front 63

a bone of the distal row of the tarsus; it articulates with the intermediate cuneiform, cuboid, navicular, and second, third, and fourth metatarsal bones

Back 63

lateral cuneiform

Front 64

serve as attachment sites for ligaments

Back 64

lateral epicondyle

Front 65

the process at the lateral side of the lower end of the fibula, forming the projection of the lateral part of the ankle; the lateral malleolus extends farther inferiorly than the medial malleolus

Back 65

lateral malleolus