Chapter 5 Flashcards
(40 cards)
An elongated cleft, gap, or crack in a bone is called a
Fissure
A _____ is a rough patch on a bone (often used for muscle attachment)
Tuberosity
A small rounded projection on a bone (often for muscle attachment) is called a
Tubercle
A _____ is a smooth, rounded articular surface
Condyle
A hole in a bone is a
Foramen
A large passageway through a bone is called a
Canal
A shallow depression or recession on a bone surface is called a
Fossa
The shaft of a long bone is called the
Diaphysis
A small, flat, smooth articular surface is a
Facet
An enlarged end of a long bone is called the
Epiphysis
_____ covers the ends of a long bone where it forms joints with the other bones.
Articular cartilage
The connective tissue sheath that wraps around bones is called
Periosteum
The process of removing and recycling bone matrix is called _____ and is accomplished by ______
Osteolysis; osteoclasts
Creates new bone matrix
Osteoblasts
Bone matrix is deposited in layers called
Lamellae
Two cells that rely most on carefully regulated levels of calcium are
Muscle cells and neurons
Osteoclasts are typically found in exposed sites lining the ___
Marrow cavity
At the center of each osteon is a
Central canal
A major role of the central canal is to
Nourish osteocytes
An osteocyte was formerly an ____ before it was surrounded by bone matrix
Osteoblast
If calcium levels in your blood were too low, activation of ____ would help to raise the blood calcium levels.
Osteoclasts
If calcium levels in your blood were too high, activation of ____ would help to lower the blood calcium levels.
Osteoblasts
Osteocytes are found inside
Lacunae
Can be found in the central canal
Blood vessels (arteries and veins)
