Ramus
In anatomy, a branch, such as a branch of a blood vessel or nerve. For example, the ramus acetabularis arteriae circumflexae femoris medialis is the branch of an artery that goes to the socket of the hip joint. The plural of ramus is rami.
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- Ramus of the mandible
One of the two prominent, projecting back parts of the horseshoe-shaped lower jaw bone.
- Random
Determined solely by chance.
- Random mating
Totally haphazard mating, with no regard to the genetic makeup (genotype) of the mate, so that any sperm has an equal chance of fertilizing any egg. Random mating rarely, if ever, occurs, but the concept is important in population genetics. Also known as panmixus.
- Random number table
A table of numbers generated in an unpredictable, haphazard sequence. Tables of random numbers are used to create a random sample. A random number table is therefore also called a random sample table. Random numbers were traditionally selected from a printed table. Today random numbers can be generated by computer.
- Random numbers
Numbers generated in an unpredictable haphazard sequence; numbers generated by chance alone.