Bone And Skeletal Tissue Flashcards
What is the primary function of bones in the body?
Support, protection, and movement
True or False: Bones are constantly remodeling throughout life.
True
What type of tissue makes up the majority of bone mass?
Compact bone tissue
What is the basic structural unit of compact bone tissue?
Osteon
What type of bone tissue is found in the ends of long bones and within vertebrae?
Spongy bone tissue
What are the cells responsible for bone formation?
Osteoblasts
What are the cells responsible for bone resorption?
Osteoclasts
What is the process of bone formation called?
Ossification
Which hormone plays a key role in regulating calcium levels in the blood?
Parathyroid hormone (PTH)
What is the term for the process of bone breakdown and resorption?
Bone remodeling
What is the outer covering of bones called?
Periosteum
What is the name of the tough, fibrous membrane that lines the medullary cavity of bones?
Endosteum
What is the name of the process by which bone tissue is replaced by new bone tissue?
Bone turnover
What are the structures that connect bones to other bones or muscles called?
Ligaments and tendons
What is the term for the area where two or more bones meet?
Joint
What is the name of the condition characterized by weakened and brittle bones?
Osteoporosis
What is the name of the condition in which there is a loss of bone mass and deterioration of bone tissue?
Osteopenia
What is the name of the process by which bones grow in length?
Endochondral ossification
What is the term for the process by which bones increase in diameter?
Appositional growth
Which vitamin is essential for the absorption of calcium and bone health?
Vitamin D
What is the name of the condition characterized by a deficiency of vitamin D, leading to soft and weak bones?
Rickets
What is the name of the condition characterized by excessive bone resorption and abnormal bone formation?
Paget’s disease
What is the name of the specialized cells found in bone tissue that maintain bone health?
Osteocytes
What are the small cavities within bone tissue that house osteocytes called?
Lacunae
