Cavitation. The chondrocytes (cartilage cells) go through hypertrophication or enlargement and signal the hyalin cartilage to harden into bone. This hardening into bone is called calcification. The calcified hyalin cartilage is impermeable to the diffusion of nutrients. Since the chondrocytes cant receive any nutrients they begin to die and leave small cavities. These small cavities leave room in the hardened bone for blood vessels to travel through.
Freebase(0.00 / 0 votes)Rate this definition: Farb. Farb is a derogatory term used in the hobby of historical reenacting in reference to participants who are perceived to exhibit indifference to historical authenticity, either from a material-cultural standpoint or in action. It can also refer to the inauthentic materials used by those reenactors.
You are here. What is the Institutional Review Board (IRB)? The Institutional Review Board (IRB) is an administrative body established to protect the rights and welfare of human research subjects recruited to participate in research activities conducted under the auspices of the institution with which it is affiliated.