Lecture 4 Flashcards
Bones p.1
How many bones in the human adult skeleton
206
where do you find the hyaline cartilage
tip of nose
articular cartilage
costal cartilage
what are the three types of cartilage
hyaline
elastic
fibro
what does the hylaine cartilage provide
firm support
what does the fibro cartilage provide
strong support and resistance to pressure
where is fibrocartilage found
meniscus
on pubic symphysis
in invertebral discs
What are the bones of the axial skeleton
skull, verterbral column
What are the two types of skeleton
axial and appendicular
what are the types of bones
long, irregular, flat, sesamoid, short, and wormian
wormian bones
tiny and develope within sutures
Types of bone markings
Ridges, Depressions, Holes, Projections
Facet
Shallow convex or concave surface where twio bines articulate
Fossa
Indentation in a bone into which another structure fits
Fovea
shallow pit
Groove sulcus
long indentation along which a narrow structure travels
Tunnel through a bone
canal/meatus
Narrow slit in a bone or between adjacent parts of bone
fissure
Hole in a bone
foramen
Epiphyseal lines
line between epiphysis and diaphysis
Shaft of bone
Diaphysis
What is the diaphysis filled with
yellow bone marrow
What forms the inner lineing of the diaphysis
endosteum
What are the two layers of the periosteum
outer fibrous layer and inner layer
Bone building cells
osteoblasts
one destroying cells
osteoclasts
mature bone cells
osteocytes