key term - Canaliculi

Definition

Canaliculi are microscopic channels found within bone tissue. They facilitate communication and nutrient exchange between osteocytes.

5 Must Know Facts For Your Next Test

1. Canaliculi connect lacunae, the small spaces that house osteocytes.
2. They enable the transport of nutrients and waste materials between blood vessels and bone cells.
3. Canaliculi are a crucial part of the bone's Haversian system or osteon.
4. They play a significant role in maintaining the viability of osteocytes embedded in the mineralized matrix.
5. The network formed by canaliculi ensures that even cells deep within bone tissue receive sufficient nutrition.

Review Questions

Related terms

Osteocyte: A mature bone cell that maintains bone tissue and resides in lacunae.

Lacunae: Small cavities within the bone matrix that house osteocytes.

Haversian System (Osteon): The fundamental functional unit of compact bone, consisting of concentric layers of calcified matrix around a central canal.