Lecture 7

Question 1

Articulation

Answer 1

Where bones come together/meet (allows movement)

Question 2

Connective tissue in skeletal system

Answer 2

Ligaments, red blood cells

Question 3

Functions of skeletal system

Answer 3

Support, protection, storage of calcium (minerals), storage of lipid (yellow bone marrow), blood cell production (red bone marrow), movement.

Question 4

Long bones store

Answer 4

Lipids (yellow bone marrow) and Calcium

Question 5

Red bone marrow

Answer 5

Produces all of our blood cells (red, white, platelets)

Question 6

Flat bones

Answer 6

Sternum, skill cap, scapula, shoulder blades

Question 7

Short bones

Answer 7

Carpols (as long as wide)

Question 8

Irregular bones

Answer 8

Vertebrae

Question 9

Seasmoid

Answer 9

Patella (looks like sesame seed)

Question 10

Elevations/Projections in bones

Answer 10

Where tendons and ligaments attach or articulations with other bones

Question 11

Tunnels in bones

Answer 11

Where nerves/blood enters the bone

Question 12

Head in bones

Answer 12

Rounded articulate surface

Question 13

Neck in bones

Answer 13

Thin area before you reach the body of the bone

Question 14

Condyle

Answer 14

Rounded articular surface

Question 15

Sulcus

Answer 15

Groove

Question 16

Tuberosity

Answer 16

Rough portion of a bone often see muscle attatchment

Question 17

Foramen skull/bones

Answer 17

Holes (smaller than canals)

Question 18

Canal skulls/bones

Answer 18

Hole

Question 19

Meatus skull/bones

Answer 19

Hole

Question 20

Fissure

Answer 20

Tunnel

Question 21

Sinus

Answer 21

Open cavities

Question 22

Fossa

Answer 22

Big depression

Question 23

Ramus

Answer 23

Portion of the bone that jets off in a different direction than the rest of the bone

Question 24

Spine

Answer 24

Projection that sticks out

Question 25

Spongy Bone

Answer 25

Trabecular bone/Cancellous bone

Question 26

Red Bone Marrow

Answer 26

In the spongy bone and creates RBCs

Question 27

Marrow Cavity

Answer 27

Medullarity Cavity

Question 28

Compact Bone

Answer 28

Cortical bone

Question 29

Bone

Answer 29

Osseous connective tissue

Question 30

Epiphysis

Answer 30

"Above growth" Contains spongy bone

Question 31

Diaphysis

Answer 31

"Apart growth" Contains Medullarity cavity, and compact bone.

Question 32

Metaphysis

Answer 32

Contains growth plate in between diaphysis and epiphysis

Question 33

Connective Tissue

Answer 33

Cells that are suspended in an extracellular matrix

Question 34

Ratio of ECM in bone

Answer 34

1/3 Collagen and 2/3 Calcium Salts

Question 35

Osteoid

Answer 35

Bone like (Kids bones, just collagen no calcium salts)

Question 36

Cannaliculi

Answer 36

Connect osteocytes through the lamellae

Question 37

Central canal

Answer 37

Contains blood vessels and nerves in osteons

Question 38

Osteon

Answer 38

Contained in compact bone gives strength parallel to bone

Question 39

Concentric lamellae

Answer 39

Perfectly round rings surrounding osteons

Question 40

Lacunae

Answer 40

Contains the osteocytes in between lamellae

Question 41

Osteoprogenitor

Answer 41

Become osteoblasts

Question 42

Osteoblast

Answer 42

Build bone

Question 43

Osteoclast

Answer 43

Breakdown bone

Question 44

Osteocytes

Answer 44

Mature osteoblasts, manage bones matrix

Question 45

Collagen is a..

Answer 45

Protein

Question 46

Calcium Salt is..

Answer 46

Non-organic

Question 47

Gap junctions

Answer 47

Connect the cytoplasm of cells/allow diffusion of nutrients in cells

Question 48

Circumferential Lamellae

Answer 48

Don't surround osteons, actually on the outside

Question 49

Irregular Lamellae

Answer 49

In trabecular bone/spongy bone, don't have a central canal thus don't contain osteons