MRI has a tendency to overdiagnose PLC injury (4). In some cases it can be difficult to decide whether there is a burst fracture with a torn PLC or distraction with a torn PLC and a compression fracture (figure). You have to decide what you think is the main issue: the collapse of the vertebral body or the distraction.
Glowing in Several Colors. When fireflies give off light, they do so in a handful of different colors. These colors include vivid yellow, yellowish-orange, green and yellowish-green. Fireflies from different species often glow in different colors.
By combining how often and how long the light is on, and by flying and moving in highly controlled ways, fireflies can generate very complex, species-typical light signals or messages. Several species of fireflies can live in the same habitat, and each species will have a unique light signature: a series of well-timed flashes that move in a stereotyped pattern. As a side note: Fireflies' thin, see-through exoskeleton makes them weakly armored and soft; this is unusual for beetles.