Having particles which easily move and change their relative position without a separation of the mass, and which easily yield to pressure; capable of flowing; liquid or gaseous., A fluid substance; a body whose particles move easily among themselves.
Arthrocentesis is the medical term meaning aspiration of fluid from a joint.
synovial fluid
Head is the height of the fluid above the point you are measuring.
The extracellular fluid is hydrophilic, meaning it is attracted to water.
Effusion is the medical term meaning escape of fluid into a body cavity. So, for instance, escape of fluid into the pleural space is pleural effusion.
Oligohydramnios means scanty amniotic fluid.
-centesis is the medical terminology combining form meaning surgical withdrawal of fluid from a body cavity. So arthorcentesis is withdrawal of fluid from a joint, and tympanocentesis is withdrawal of fluid from behind the eardrum.
Amniocentesis is the medical term for removal of fluid in the amniotic sac.
fluid
Aspiration
ejaculation
Hydrocele is the abnormal accumulation of fluid in the scrotum.