result of crossing two animals from different species

fluid found between the cells but not within the vascular system

fluid found inside the cells

into a muscle

injection where drugs are administered into the cerebrospinal fluid

into a vein

telescoping of part of the intestine into itself causing an obstruction

the intensity of the radiation beam is inversely proportional to the square of the distance from the source i.e. X-rays diverge increasingly, the further they travel from the tube head, and their intensity falls

a charged particle

a fluid with the same osmotic pressure as that with which it is compared (usually plasma)