Skeletons
are supportive systems that provide protection, support, and a place for muscle attachment.
Endoskeleton
Comes from the endoderm ▪Bony or cartilaginous structures found internally ▪Manufacture RBC in marrows ▪Capable of growth
Exoskeleton
▪Comes from the ectoderm ▪Hardened or horny structures developed from the skin ▪e.g. scales and shells
Spinal column
protects the nerves
hematopoieses
blood cell formation
- calcium & phosphate
mineral storage
humerus, femur, clavicle, metatarsals
long bones
carpals, tarsals
short bones
rib, scapula, skull, sternum
Flat Bones
patella
Sesamoid
vertebrae, some facial bones
Irregular bones
Sinus
cavity
Foramen
hole
Fossa
depression