Skeletal System

Question 1

What is Ossification?

Answer 1

The Osteoblasts Harden the Matrix, as It is Filled with Calcium and Phosphate in the Form of Hydroxyapatite Crystals.

Question 2

What is Hematopoiesis?

Answer 2

Sites of Blood Cell Formation in Bones.

Question 3

What is a Light, Spongy Bone?

Answer 3

A Cancellous Bone. (Also Called Spongy Bone)

Question 4

What is a Heavy, Dense Bone?

Answer 4

A Compact Bone.

Question 5

What is the Haversian System?

Answer 5

Tiny, Tightly Compacted Cylinders of Bones in Compact Bones.

Question 6

What is the Haversian Canal?

Answer 6

Contains Blood Vessels, Lymph Vessels, and Nerves that Supply Osteocytes.

Question 7

What is an Osteoblast?

Answer 7

They Form Bone.

Question 8

What is an Osteocyte?

Answer 8

Osteoblasts that have been Ossified in the Matrix.

Question 9

What is an Osteoclasts?

Answer 9

They Eat Away at Bone.

Question 10

What is the Volkmann’s Canal?

Answer 10

Tiny Channels in the Bone Matrix that has Blood Vessels Pass Through?

Question 11

What is the Nutrient Foramina?

Answer 11

Large Canals that Large Blood Vessels Pass Through.

Question 12

What is the Endochondral Bone Formation?

Answer 12

Bones Develop by These Bones, Creates a Cartilage “Template,” then Replaced by Bone.

Question 13

What is the Epiphyseal Plates or Growth Plates?

Answer 13

Sites of Creation Where the New Bones Allows Them to Lengthen.

Question 14

What is Yellow Bone Marrow?

Answer 14

Consists Primarily of Adipose Connective Tissue (Fat).

Question 15

What is an Articular Surface?

Answer 15

They are a Joint Surface, Where Bones Come in Contact with Each Other to Form Joints. They are Covered in a Hyaline Cartilage Called Articular Cartilage.

Question 16

What is a Condyle?

Answer 16

A Large, Round Articular Surface. A Cylindrical Shape. Located on the Distal End of the Humerus and Femur on the Occipital Bone of the Skull.

Question 17

What is a Facet?

Answer 17

A Flat, Articular Surface.

Question 18

What is a Foramen?

Answer 18

A Hole in a Bone. Something Important (Nerve or Blood Vessel) Usually Passes Through the Foramen.

Question 19

What is a Fossa?

Answer 19

A Depressed or Sunken Area on the Surface of a Bone. Usually Occupied by Muscles or Tendons.

Question 20

What is the Axial Skeleton?

Answer 20

The Bones of the Head and Trunk are Located on the Central Axis of the Body.

Question 21

What is the Appendicular Skeleton?

Answer 21

The Limbs are Appendages of the Trunk.

Question 22

What is the Visceral Skeleton?

Answer 22

Bones Formed in the Viscera, or Soft Organs for Some Animals.

Question 23

What is the Occipital Bone?

Answer 23

A Single Bone that Forms the Caudoventral Portion or the Base of the Skull.

Question 24

What is the Foramen Magnum?

Answer 24

A Large Hole in the Center of the Occipital Bone. This is Where the Spinal Cord Exits the Skull.

Question 25

What is the Interparietal Bone?

Answer 25

Two Small Bones On the Dorsal Midline Between the Occipital Bone and the Parietal Bone. Clearly Visible in Young Animals.

Question 26

What is the Parietal Bone?

Answer 26

They Form the Dorsolateral Walls of the Cranium. Well-Developed in Dogs, Cats, and Humans.

Question 27

What is the Temporal Bone?

Answer 27

Two Bones Located Below or Ventral to the Parietal Bones. Form the Lateral Walls of the Cranium, they Contain the Middle and the Inner Ear Structures.

Question 28

What are the Palatine Bones?

Answer 28

Two Bones that Make Up the Caudal Portion of the Hard Palate, Which Separates the Mouth from the Nasal Cavity.

Question 29

What are Turbinates?

Answer 29

Nasal Conchae, Four Thin, Scroll-like Bones that Filter the Air.

Question 30

What is the Hyoid Apparatus?

Answer 30

Also Called the Hyoid Bone, is Located just Above the Larynx. It Supports the Base of the Tongue, the Pharynx, and the Larynx. It Helps the Animal Swallow.

Question 31

What is the Glenoid Cavity?

Answer 31

It is a Shallow, Concave Articular Surface. It is Connected with the Main Body of the Scapula by a Narrowed Area Known as the Neck.