Textbook Question
The nonpathologic loss of bone that occurs with aging is called:
(a) Osteomyelitis
(b) Osteoporosis
(c) Osteopenia
(d) Osteitis
(e) Osteomalacia
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6. Bones & Skeletal Tissue
Microscopic Anatomy of Bones - Bone Cells
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What are mature bone cells found within lacunae of compact bone called?
A
Osteoclasts
B
Osteoblasts
C
Chondrocytes
D
Osteocytes
Verified step by step guidance1
Begin by understanding the structure of compact bone, which is dense and forms the outer layer of bones. It contains microscopic spaces called lacunae.
Recognize that within these lacunae, mature bone cells reside. These cells are responsible for maintaining the bone matrix and communicating with other bone cells.
Differentiate between the types of bone cells: Osteoblasts are involved in bone formation, Osteoclasts are responsible for bone resorption, and Chondrocytes are related to cartilage, not bone.
Identify that the mature bone cells found within the lacunae of compact bone are called Osteocytes. They are crucial for the maintenance and turnover of the mineral content of the surrounding bone.
Understand that Osteocytes originate from Osteoblasts that have become trapped in the matrix they secreted, transitioning into a mature form to perform their maintenance functions.
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