Bone Classification & Features

Question 1

What are the six more commonly used classification of normal bone?

Answer 1

Long bones, Short bones, Flat bones, Irregular bones, Paranasal sinus/Pneumatic bones and sesamoid bones.

Question 2

What are the classifications given to abnormal bone stressed in class?

Answer 2

Heterotopic and accessory bone

Question 3

What is the name given to bone formed in a non-bone location?

Answer 3

Heterotopic bone

Question 4

What is the name given to bone formed from existing bone?

Answer 4

Accessory bone

Question 5

What is the characteristic feature of a long bone?

Answer 5

It is longer than it is across (Length greater than breadth)

Question 6

What are the names given to the parts of a long bone?

Answer 6

The Diaphysis (shaft) and typically two epiphyses (extremities)

Question 7

What is the primary characteristic of short bones?

Answer 7

They are essentially cuboidal

Question 8

What are examples of short bones?

Answer 8

Most of the bones of the carpus and tarsus

Question 9

What are examples of flat bone?

Answer 9

The parietal bone and sternum.

Question 10

What are examples of Pneumatic bone?

Answer 10

Frontal, Ethmoid, Maxilla, Sphenoid, and Temporal

Question 11

What is the characteristic of sesamoid bone?

Answer 11

The bone develops within a tendon

Question 12

What are examples of heterotopic bone?

Answer 12

Calcific deposits in the pineal gland, heart, and ligamens

Question 13

What are examples of accessory bone?

Answer 13

Para-articular processes and bony spurs of vertebrea

Question 14

What are the four basic surface feature categories?

Answer 14

Elevations, Depressions, Tunnels/Passageways, and Facets

Question 15

When do the surface features of bone become prominent?

Answer 15

During and after puberty

Question 16

What are the types of osseous linear elevation?

Answer 16

The line, ridge, and crest

Question 17

What are the types of rounded osseous elevations?

Answer 17

Tubercle, Protuberance, Trochanter, Tuber/Tuberosity and Malleolus

Question 18

What are the categories of sharp osseous elevations?

Answer 18

Spine and process

Question 19

What are the categories of osseous depressions?

Answer 19

Linear and rounded depressions

Question 20

What are the categories of osseous linear depressions?

Answer 20

Notch/Incisure, groove, and sulcus

Question 21

What re the categories of rounded osseous depression?

Answer 21

The fovea and fossa

Question 22

What are the names given to opening on the surface of bone?

Answer 22

Ostium/Orifice and hiatis

Question 23

What are the names given to osseous ostia which completely penetrate bone?

Answer 23

Foramen or Canal

Question 24

What is the definition of osseous foramen?

Answer 24

An ostium passing completely through a thin region of bone.

Question 25

What is the definition of an osseous canal?

Answer 25

An ostium passing completely through a thick region of bone.

Question 26

What is the name given to an ostium which does not completely penetrate through a region of bone but appears as a blind-ended passageway?

Answer 26

Meatus

Question 27

What is the definition of an osseous fissure?

Answer 27

An irregular slit-like or crack-like appearance between the surfaces of adjacent bones.

Question 28

What are the categories of osseous facets?

Answer 28

Flat facets and rounded facets

Question 29

What are the categories of rounded osseous facets?

Answer 29

Articular heads and articular condyles