It's a loss of bone density, it's literally weak bones.

Tails Tails provide thrust, making speed and acceleration dependent on tail shape.

Backbone

We see a flick of the tail.

They drilled the bone.

We're at the long tail end here.

While the earliest forms, such as Archaeopteryx and Jeholornis , retained the long bony tails of their ancestors, the tails of more advanced avialans were shortened with the advent of the pygostyle bone in the group Pygostylia.

No bone was broken.

Robert Full Learning from the gecko's tail

The tail is brown with black bars in females, and has a black tip with a narrow white rim in both sexes.

They drilled through skin, flesh, bone.

She is all skin and bone.

Have you ever broken a bone?

Have you ever broken a bone?

Did you ever break a bone?

In the left femur, the left thigh bone, there's another one.

Chris Anderson of WIRED on tech's Long Tail

A probability distribution is said to have a long tail if a larger share of population rests within its tail than would under a normal distribution.

You see the person live.

He gave the dog a bone.

The two dogs quarreled over the bone.

Be careful not to swallow the pit.

Improve his shining tail,

My tail hurts!

The tail is short and hairless.

Therefore Crypturellus means small hidden tail.

It is unique among the modern constellations in being split into two non contiguous parts, Serpens Caput (Serpent's Head) to the west and Serpens Cauda (Serpent's Tail) to the east.

And sure enough, Nanotyrannus has juvenile bone and the bigger one has more mature bone.

It's as if, as they were growing, they just forgot the tail part.

Officials underestimated tail risks.

You feel that bone under there?

The dog bit meat off the bone.

The budget was cut to the bone.

You're a hard nut to crack.

Tom gave a bone to his dog.

This next one here, Machine with Wishbone, it came about from playing with this wishbone after dinner.

See that tail? That's incredible!

I go in, tail comes off.

The snake eats its tail.

These were once thought to fully stiffen the tail, forcing the entire tail to act as a single rod like unit.

So that screw that you thought about beforehand can actually be used to screw a bone together a fractured bone together and deliver drugs at the same, while your bone is healing, for example.

It actually uses its tail too, just like we saw in the lab.

They then quantified the potential value of the long tail to consumers.

They also have a silver grey stripe that runs along the tail.

This variety also lacks the reddish fins of the red tailed golden.