(pathology) A chronic disease of the brain and spinal cord characterized by changes in sensation, visual problems, weakness, depression, difficulties with coordination and speech, impaired mobility...

Not phylogenetic.

Relating to thigmotaxis.

(astronomy) Abbreviation of pulsar. / (aviation) Initialism of primary surveillance radar. / Initialism of police service representative, an LAPD dispatcher. / Initialism of pre-sentence report.