#types of bones

[er-cryptid]

Intramembranous Bones

-- intramembranous bones develop from sheet-like layers of undifferentiated connective tissue

-- the broad, flat bones of the skull form as intramembranous bones

-- osteoblasts deposit a bony matrix around themselves in all directions

-- this forms spongy bone

-- once the osteoblasts have encased themselves within the matrix, they are called osteocytes

-- cells of the membranous tissue surround the developing bone give rise to the periosteum

-- osteoblasts on the inside of the periosteum form a layer of compact bone over the spongy bone

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