Long Bone Structure

25 terms by radar1 

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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.

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