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25 terms

Long Bone Structure

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Diaphysis
main shaft-like portion of a bone; the region between the epiphyses
epiphyseal line
thin line of compact bone seen between epiphysis and diaphysis
epiphyseal plate
layer of compact bone that replaces the growth plate located in metaphysis
Epiphysis
the end of a long bone is called an _________.
Medulla
region of body part deep to the cortex; if hollow, referred to as medullary cavity
medullary cavity
hollow space within diaphysis
Articular cartilage
a thin layer of cartilage that covers the ends of the long bones & other joint surfaces
cancellous bone
AKA spongy bone, one of two types of bony tissue characterized by the presence of holes or spaces within the tissue
chondrocyte
cartilage producing cell
osteblast
bone building cell
ostecyte
mature bone cell; caretaker of bony tissues
osteoclast
remodeling cell that breaks down bony tissue for resorption
osteoporosis
a medical condition caused when osteoclasts break down bony tissue faster than osteoblasts can rebuild it. holes are formed in bone tissue,resulting in reduction of bone density and loss of bone strength,
red bone marrow
blood forming tissue found within spongy bone
yellow marrow
fatty tissue stored within medullary cavity
Cortex
outer portion of a structure
cortical
pertaining to cortex of an organ
cancellous bone
AKA spongy bone, one of two type of bony tissue, characterized by the presence of holes or spaces within the tissue
chondrocyte
cartilage producing cell
endochondral ossification
name for the process of bony tissue formation that begins within cartilage
endosteum
tissue that lines medullary cavity
marrow
non-bony tissue found in bony tissue spaces
osteon
building block of compact bone
osteoporosis
a medical condition caused when osteoclasts break down bony tissue faster than osteoblasts can rebuild it. This results in reduction of bone density and loss of bone strength,
Periosteum
the thick, fibrous membrane that covers the surface of a long bone; the tissue around the bone to which tendons attach.