Skeletal System Vocab

Question 1

bone

Answer 1

any of the 206 individual parts of the skeleton composed of cells and inorganic, mineral matrix; also a connective tissue and type of cell.

Question 1

cartilage

Answer 1

type of connective tissue in which cells are in lacunae separated by semisolid extracellular matrix.

Question 2

hematopoiesis

Answer 2

production of blood cells from dividing stem and progenitor cells; hemopoiesis

Question 3

marrow

Answer 3

connective tissue within spaces in bones that includes blood-forming stem cells.

Question 4

sesamoid bone

Answer 4

any of the round bones that form with in tendons adjacent to joints

Question 5

articulation

Answer 5

the union of two or more bones; a joint

Question 6

compact bone

Answer 6

dense bone tissue in which cells are organized in osteons without apparent spaces; cartical bone

Question 7

diaphysis

Answer 7

shaft of long bone

Question 8

epiphysis

Answer 8

either end of a long bone

Question 8

epiphyseal plates (growth plate)

Answer 8

cartilaginous layers between the epiphyses and diaphysis of a long bone that grow, lengthening the bone

Question 9

lamella

Answer 9

layer of matrix surrounding the central canal of an osteon

Question 10

osteoblast

Answer 10

bone-forming cell

Question 11

osteoclast

Answer 11

cell that breaks down bone matrix

Question 12

osteon

Answer 12

cylinder-shaped unit containing bone cells and matrix lamellae that surround a central canal; Haversian system

Question 13

ossification

Answer 13

formation of bone tissue

Question 14

spongy (cancellous) bone

Answer 14

bone that consists of bars and plates separated by irregular spaces