L1 Flashcards
What are the 4 types of tissue
Epithelial, connective, muslce nervous
What are the three types of connective tissue?
Connective tissue proper, fluid connective tissues and supporting connective tissues
What are the 2 types of supporting connective tissue?
Cartilage and bone
What makes up the pectoral girdle?
Clavicle and scapula
What makes up the pelvic girdle?
Hip bones and sacrum
What is the organic part of bone made of and its function and percentage
Collagen in proteoglycan (ground substance)
Resists tension
33%
What is the inorganic part made of and its function?
Hydroxyapatite and other calcium minerals
Resists compression
66%
What are the 4 types of cells which make up the cellular component of bone?
Osetogenic
osteoblasts
osteocytes
osteoclasts
osteoblasts
Builds new bone matrix
osteoclasts
Destroys bone matrix
Osteogenic
stem cells which produce osteoblasts
Osteocytes
Maintainers and communicators to control activity of osteroblasts and clasts
What are osteons and there function
Longitudinal unit in compact bone, pathway for nutrients
What is central canal
Contains blood vessels and nerves
What are lamallae and what is in it?
Cylinders formed of ECM around central canal
Collagen fibres which resist forces
circumferential lamellae
interstitial lamellae
