The pituitary gland consists of two regions. Which region is a true endocrine structure? 

An individual with Osteogenesis Imperfecta, also known as brittle bone disease, very easily breaks their bones because of an imbalance in their matrix. What is the matrix imbalance?   

Interstitial growth stops as we reach early adulthood because at that time _______ 

A bone sample has lamellae that is NOT arranged into osteons. What does this tell you about the bone? 

The skeletal system is responsible for many important functions.  One function that it is NOT responsible for is ___________ . 

Which type of growth refers to increasing the width or thickness of a bone? 

The image below shows a long bone, and the arrow is pointing to a region of the bone that contains cartilage. True or False: this bone could belong to a 30 year old person.  

Match each region with its characteristics 

Osteogenic cells are housed in which of the following structures?  I. Endosteum            II. Periosteum III. Articular Cartilage

Osteoblasts in a patient produce an excessive amount of collagen fibers compared to normal osseous tissue. This results in bones that are _______________.