An intervertebral disc, which separates joining vertebrae, is fastened to the roughened upper and lower surfaces of the drum-shaped bodies of the vertebrae.lick to read more below. An intervertebral disc, which separates joining vertebrae, is fastened to the roughened upper and lower surfaces of the drum-shaped bodies of the vertebrae. A typical vertebra has a drum-shaped body (centrum) that forms a thick, anterior portion of the bone.
FAQ [(fak)] An abbreviation for frequently asked question. A list that provides answers to common questions asked by visitors to a Web site.
March 31, 2015. 1  An IRQ (Interrupt Request) number is assigned to all the hardware devices installed in a computer that are used to input information, for example the mouse or the keyboard. On a PC, some IRQs are predefined, so the Keyboard controller is always given an IRQ of 1, for example.