centigrays and rads

[GingerSue]

1 Gray = 100 rads

does this mean that one centrigray is = one rad?

is there a difference between the meaning of centigray and rad?

a rad is measurement of radiation dosage absorbed by the tissues

a rad is = to a rem

is a rem the same as a centigray?

[crackerjack]

http://www.thefreedictionary.com/centigray

A unit of absorbed dose of radiation (one centigray equals one rad).

http://www.thefreedictionary.com/rad

A unit of energy absorbed from ionizing radiation, equal to 100 ergs per gram or 0.01 joules per kilogram of irradiated material. It has been replaced as a standard scientific unit by the gray.

http://www.thefreedictionary.com/rem

1. The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays.

2. A unit for measuring absorbed doses of radiation, equivalent to one roentgen of x-rays or gamma rays.

it would seem that a rem=a centigray