limb in Biological Definition

Proprioception

... addresses these issues. People who have a limb amputated may still have a sense of that limb; this is termed a phantom limb . This phenomenon is not limited to one ... that despite popular belief, the phantom limb phenomena is actually the result of neural signal ...

Diabetes mellitus

... progressing to necrosis , infection and gangrene , sometimes requiring limb amputation , see below nephropathy (due to microangiopathy ) which ... failure (requiring dialysis or transplant), blindness, heart disease and limb amputation. Recent studies show that use of statins might be needed in ...

Punctuated equilibrium

... be understood by considering an example: Suppose the average length of a limb on a particular species grows 50 centimeters (a large amount) over 70000 ... given timespan corresponds to 10000 generations. Thus, on average, the limb grows at the minute, gradual rate of only 0.005 cm per generation (= 50 cm ...

Evolutionary developmental biology

... points to the preexistence of genetic variation sufficient to account for morphological diversity. For example, there is significant variation in limb morphologies amongst salamanders and the differences in segment number in centipedes , even when the genetic variation is low. A big question ...

Marfan syndrome

... . Due to the spidery appearance of the fingers, Marfan syndrome has also been known as arachnodactyly . In addition to affecting height and limb proportions, Marfan syndrome may produce other skeletal symptoms. Curvature of the spine ( scoliosis ) is a common problem, as is abnormal ...