Parathelypteris
— Navneord
– Engelsk
~ terrestrial ferns of warm and tropical Asia and North America
Parathelypteris novae-boracensis
— Navneord
– Engelsk
~ slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
parathion
— Navneord
– Engelsk
~ a colorless and odorless toxic oil used as an insecticide
parathormone
— Navneord
– Engelsk
~ hormone synthesized and released into the blood stream by the parathyroid glands; regulates phosphorus and calcium in the body and functions in neuromuscular excitation and blood clotting
parathyroid
— Navneord
– Engelsk
~ any one of four endocrine glands situated above or within the thyroid gland
parathyroid gland
— Navneord
– Engelsk
~ any one of four endocrine glands situated above or within the thyroid gland
parathyroid hormone
— Navneord
– Engelsk
~ hormone synthesized and released into the blood stream by the parathyroid glands; regulates phosphorus and calcium in the body and functions in neuromuscular excitation and blood clotting