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| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 1051 |  | Plant stem | Structural axis of a vascular plant | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1052 |  | Plasmid | Small DNA molecule within a cell | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1053 |  | Plastic surgery | Medical surgical specialty | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1054 |  | Plastid | Plant cell organelles that perform photosynthesis and store starch | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1055 |  | Platanus | Genus of flowering plants constituting the family Platanaceae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1056 |  | Platypus | Species of mammal | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1057 |  | Plesiosaur | Order of reptiles (fossil) | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1058 |  | Pleurotus ostreatus | Species of fungus | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1059 |  | Ploceidae | Family of small passerine birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1060 |  | Plum | Edible fruit | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1061 |  | Podocarpus | Genus of coniferous trees | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1062 |  | Poinsettia | Species of flowering plant | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1063 |  | Poison | Substance that causes death, injury or harm to organs | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1064 |  | Polio | Infectious disease caused by poliovirus | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1065 |  | Polio vaccine | Vaccine to prevent poliomyelitis | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1066 |  | Pollen | Grains containing the male gametophytes of seed plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1067 |  | Pollination | Biological process occurring in plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1068 |  | Polychaete | Class of annelid worms | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1069 |  | Pomegranate | Fruit-bearing deciduous shrub | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1070 |  | Pontederia crassipes | Aquatic plant native to the Amazon basin | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1071 |  | Pony | Type of small horse | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1072 | Population (biology) | Group of individuals of a species, separated from other groups by in some manner | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1073 |  | Porcupine | Rodent with a coat of sharp spines | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1074 |  | Porpoise | Small cetacean of the family Phocoenidae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1075 | Post-traumatic stress disorder | Mental disorder associated with trauma | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1076 |  | Potato | Starchy tuber used as a staple food | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1077 |  | Predation | Biological interaction | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1078 |  | Pregnancy | Time of offspring development in mother's body | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1079 |  | Prescription drug | Medication legally requiring a medical prescription before it can be dispensed | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1080 |  | Preventive healthcare | Prevention of the occurrence of diseases | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1081 |  | Primate | Order of mammals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1082 |  | Primulaceae | Family of flowering plants that includes the primroses | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1083 |  | Prion | Pathogenic type of misfolded protein | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1084 |  | Proboscidea | Order of mammals including elephants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1085 |  | Procellariiformes | Order of birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1086 |  | Procyonidae | Family of mammals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1087 | Programmed cell death | Death of a cell mediated by intracellular program, often as part of development | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1088 |  | Prokaryote | Unicellular organism lacking a membrane-bound nucleus | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1089 |  | Proteaceae | Family of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1090 |  | Protein | Biomolecule consisting of chains of amino acid residues | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1091 |  | Protein (nutrient) | Nutrient for the human body | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1092 |  | Protist | Eukaryotes other than animals, plants or fungi | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1093 |  | Protozoa | Single-celled organisms | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1094 |  | Pseudoscorpion | Order of arachnids | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1095 |  | Psychiatric hospital | Hospital specializing in the treatment of serious mental disorders | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1096 |  | Psychiatry | Branch of medicine devoted to mental disorders | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1097 | Psychopathy | Personality construct | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1098 | Psychosis | Abnormal condition of the mind | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1099 |  | Pteridophyte | Group of vascular plants that reproduce by spores | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1100 |  | Pteropus | Genus of large bats | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
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