Histology Flashcards
Is skeletal muscles multinucleate or single nucleated
multinucleated
What are muscle fibres bundled together called
fascicles
What is the connective tissue called that surrounds the whole muscle?
epimysium
what is it called when the connective tissue wraps around a single fascicle
perimysium
what is it called when connective tissue wraps around a single muscle fibre
endomysium
Are the fibres in a motor unit organised or scattered?
scattered
What are the 3 types of skeletal muscle
1- slow contracting fibres in oxidative metabolism, lots of mitochondria (red)
2a-intermiediate stage. fast contracting but resistant to fatigue
2b- fast contracting fibres in anerobic metabolism. few mitochondria (white)
Where are chondrocytes found?
cartilage
where do chondrocytes live?
lacuna
what are immature chondrocytes called?
chondroblasts
What is most of the organic matter in ECM made up of?
type 2 collagen
Name some sights where hyaline cartilage is found
trachea, costal cartilage, epiphyseal growth plate, articular surfaces
Where is 95% of calcium found in your body
bone
which 2 skeletons are involved in blood production by early 20s?
axial and limb girdle
What are the 2 types of bone seen under microscope
cortical and cancellous