Chapter 6: Part 3

Compact bone on the outside is ___________ covered.

Spongy bone within is ___________ covered.

Red bone marrow is between the _____________.

The Red marrow cavities of adults are in trabecular cavities of the ______ of the ______ & ________.

Red marrow in adults is also in trabecular cavities of ________ ________ of flat bones.

Red marrow of infants is in ____________ cavities and all spaces in _________ ________.

Osteogenic cells are stem cells in ___________ and ____________ that give rise to osteoblasts.

____________ are mature bone cells.

What bone cells reabsorb?

Haversian system, or ostean is a __________ _________.

Weight bearing column like matrix tube is the ____________.

Central (Haversian) canal contains _______ _________ & ________.

Perforating canals are ___________ canals.

Perforating canals are at _______ _______ of central canals.

What connects blood vessels and nerves of the periosteum and central canal?

Small cavities that contain osteocytes are ___________.

Lucanae are small cavities the contain ___________.

Hairlike canals that connect lacunae to each other and the central canal are ____________.

Canaliculi are hairlike substances that connect ____________ to each other and the ___________ ____________.

_____________ alilgn along lines of stress.

Trabeculae contain irregularly arranged ___________, ____________, & __________.

Capillaries in endosteum supply _________.

Trabeculae have no __________.

What makes up the organic part of the bone?

Organic bone matrix secreted by osteoblasts is ____________.

Ground substances of osteoid are ___________ & ___________.

Collagen fibers provide _________ ______ & __________.

What are hydroxypatites?

What makes up 66% of bone by mass?

Hydroxyapatites are mainly _________ __________ crystals.

What is responsible for hardness and resistance to compression?