hypotonia

https://doi.org/10.1351/goldbook.11826
  1. Condition in which there is a diminution or loss of muscle tone.
  2. Relaxation of the arteries.
  3. Lower than normal tension in any part, as in intraocular pressure of the eyeball.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 875 [Terms] [Paper]