hairlike structure especially on the surface of a cell or microorganism
pilus
Noun
any of the cylindrical filaments characteristically growing from the epidermis of a mammal
protective covering
Noun
the tough natural covering of some organisms
protective covering
Noun
a covering that is intend to protect from damage or injury
plumage
Noun
the light horny waterproof structure forming the external covering of birds
platyctenean
Noun
ctenophore have long tentacles and flattened body
proboscis worm
Noun
soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract
pogonophoran
Noun
slender animal with tentacles and a tubelike outer covering
praya
Noun
colonial siphonophore of up to 130 ft long
parasitic worm
Noun
worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes
phragmocone
Noun
the thin conical chambered internal shell (either straight or curved) of a belemnite
phragmacone
Noun
the thin conical chambered internal shell (either straight or curved) of a belemnite
pinworm
Noun
small threadlike worm infesting human intestines and rectum especially in children
poriferan
Noun
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework
platyhelminth
Noun
parasitic or free-living worms having a flattened body
parazoan
Noun
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework
planarian
Noun
free-swimming mostly freshwater flatworms
planaria
Noun
free-swimming mostly freshwater flatworms
planula
Noun
the flat ciliated free-swimming larva of hydrozoan coelenterates
polyp
Noun
one of two forms that coelenterates such as hydra or corals take: usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth
polyp
Noun
a small vascular growth on the surface of a mucous membrane
physa
Noun
any member of the genus Physa
polychaete
Noun
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
polychete
Noun
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
polychaete worm
Noun
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
polychete worm
Noun
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
polyplacophore
Noun
primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
periwinkle
Noun
edible marine gastropod
periwinkle
Noun
small edible marine snail
periwinkle
Noun
commonly cultivated Old World woody herb having large pinkish to red flowers
periwinkle
Noun
chiefly trailing poisonous plants with blue flowers
pearl oyster
Noun
tropical marine bivalve found chiefly off eastern Asia and Pacific coast of North America and Central America
pea crab
Noun
tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks
pistol shrimp
Noun
small shrimp that makes a snapping noise with one of their enlarged chelae
pearly-shelled mussel
Noun
the pearly lining of the dark shells is a source of mother-of-pearl
prawn
Noun
shrimp-like decapod crustacean having two pairs of pincers
prawn
Noun
any of various edible decapod crustaceans
prawn
Verb
fish for prawns
piddock
Noun
marine bivalve that bores into rock or clay or wood by means of saw-like shells
pill bug
Noun
small terrestrial isopod with a convex segmented body that can roll up into a ball
pearly nautilus
Noun
cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
paper nautilus
Noun
cephalopod mollusk of warm seas whose females have delicate papery spiral shells
purple gallinule
Noun
gallinules with showy purplish plumage
policeman bird
Noun
large mostly white Australian stork
peripatus
Noun
any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms
plover
Noun
any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings