Exam I - Quiz Flashcards
What are the four basic tissue types?
epithelial, neural, muscle, and connective
What is the function of osteoclasts?
bone-remodeling cells
Bone is primarily made up of what type of fibers?
Type I collagen fibers
Ground substance is primarily made up of what?
Glycosaminoglycans
What are the three types of glycosaminoglycans found primarily in bone?
hyaluronic acid, chondroitin sulfate, and keratin sulfate
What is the primary bone mineral deposit?
Hydroxyapatite
What constitutes bone as “living”?
It can heal, age, and remodel.
The chondrocranium is formed by what type of ossification?
Endochondral ossification
What are the four types of bone variation?
Sexual dimorphism, ontogenetic variation, geographic or population based variation, and idiosyncratic variation.
What are accessory bones?
formed from the periosteum of existing bone; para-articular processes and bony spurs
What are heterotopic bones?
formed from cells within nonbone-related tissues as a result of the healing process, disease, stress, and/or age; pineal gland, heart, and ligaments
How many bones constitute the axial skeleton?
80 bones
How many bones constitute the appendicular skeleton?
126 bones
How many bones make up the sternum?
1 bone
How many bones make up the hyoid?
5 bones; it is 1 bone though