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(Click for frequent words.) 57 upper incisors 55 radula 55 wolf scat 54 decayed tooth 54 cambium layer 54 molar tooth 54 biopsy specimen 53 histological examination 53 canine tooth 53 incisor 53 cementum 52 molar teeth 52 dermal layers 52 dentine 52 insect larva 52 microelectrode 52 papilla 52 incisor tooth 52 hind paw 52 cecal 52 Microscopic examination 52 incisor teeth 51 bony ridges 51 sapwood 51 mud dauber 51 osteolytic lesions 51 medullary canal 51 dermal papilla 51 venom glands 51 electron micrographs 51 eggshell fragments 51 trabeculae 51 venom gland 51 scutes 51 lipoma 51 adipose fins 51 premolars 51 cambium 50 parotid 50 Morganucodon 50 starch granules 50 spinal cysts 50 microcracks 50 mastodon tusk 50 Infested trees 50 premolar 50 coprolite 50 otolith 50 scent glands 50 thyroid cartilage 50 mucosal tissue 50 barbels 49 parotid glands 49 Pueraria 49 allograft bone 49 vertebral bodies 49 avulsed 49 limbal 49 femora 49 Pollen grains 49 Pottery shards 49 bacterial biofilm 49 lacrimal gland 49 powdery residue 49 Ichthyostega 49 gumline 49 retrogene 49 dermal papilla cells 49 subgingival 49 ovipositor 49 nidus 48 Edmontosaurus 48 indentions 48 T2 weighted MRI 48 cartonnage 48 cancerous mole 48 downy feathers 48 cerebro spinal fluid 48 scalpel blade 48 microbial organisms 48 mammillary bodies 48 tarsal glands 48 submandibular 48 encrustation 48 hemoglobin molecules 48 mouthparts 48 veligers 48 mandible 48 thylacine DNA 48 hemolymph 48 calcium hydroxyapatite 48 interproximal 48 frass 48 pelvic fin 48 hyphae 48 squid beaks 48 macro invertebrates 48 tonsil tissue 48 fossilized bone 48 microscopic mite 48 glandular tissue 48 planktonic foraminifera 48 curved beak 48 carpenter bee 48 vinyl wallpaper 48 fibroid tumor 48 musk turtle 48 saphenous veins 48 dissecting microscope 48 siderite 48 Forensic examiners 47 Gently massage 47 necrotic tissue 47 bezoar 47 cancerous lumps 47 proximal femur 47 gingiva 47 toluidine blue 47 bloodspots 47 canine teeth 47 Benign tumors 47 penicillium 47 tartar buildup 47 Vasari fresco 47 P. boisei 47 sticky sap 47 subchondral bone 47 holotype 47 Hair follicles 47 cottony masses 47 gingival 47 exudates 47 adipose fin 47 cancerous polyps 47 microscopic crystals 47 crinoid 47 coral polyp 47 snail shells 47 Xiphactinus 47 tubule 47 Iguanodon 47 condyle 47 bleb 47 Lymph nodes 47 parietal eye 47 scaly skin 47 serrations 47 whorled 47 isotopic analysis 47 tyrannosaurids 47 spicule 47 fang marks 47 ramidus 47 gill rakers 47 microfilariae 47 perinuclear 47 mammoth tusk 47 sciatic nerves 47 occiput 47 duckbill dinosaur 47 femur bone 47 calculi 47 tuberous root 47 axilla 47 tarsus 47 periodontal tissue 47 baleen plates 46 tooth cavities 46 blackhead 46 cystic mass 46 tonsils adenoids 46 mollusk shells 46 iliac crest 46 buck antlers 46 remineralize 46 marrow cavity 46 Woolly mammoth 46 dewclaws 46 gingival tissue 46 worm larvae 46 anklebone 46 Middle Paleolithic 46 lymph node tissue 46 cotton wool bud 46 toothed whale 46 pinhead sized 46 cantaloupe sized 46 insecticidal properties 46 hematoxylin eosin 46 mite infestations 46 hematoxylin eosin original 46 carious lesions 46 vitreous humor 46 coral skeletons 46 saber tooth cat 46 reddish brown stain 46 concretion 46 chromosomal DNA 46 stony coral 46 poison glands 46 gallbladders 46 insectivore 46 glans penis 46 Triceratops skull 46 jungle foliage 46 fin rays 46 carboxy terminal 46 maxillary sinus 46 zebra mussel larvae 46 gingival recession 46 tubercles 46 conodonts 46 pharyngeal jaws 46 dowel rod 46 tympanic membrane 46 fluoride varnish 46 fungal hyphae 46 Fossilised 46 staghorn 46 abnormal prion protein 46 spirochete 46 cranial bones 46 fecal pellets 46 porcelain veneer 46 sphagnum 46 positron emission tomography scan 46 histologic examination 46 photomicrograph 46 renal parenchyma 46 cranial vault 46 pulsatile lavage 46 sucking mouthparts 45 nit comb 45 fluorescein dye 45 penile shaft 45 fossilized shells 45 braincase 45 laminae 45 skull fragment 45 rotifer 45 tinea corporis 45 distally 45 adventitia 45 vaginal smears 45 abraded skin 45 microfiber mop 45 Skin grafts 45 Petrified wood 45 silicone caulking 45 tissue biopsies 45 ulcerate 45 niacin vitamin B3 45 mammillary 45 peptide fragments 45 branching corals 45 egg sacs 45 genital secretions 45 itch mite 45 proximal humerus 45 villous 45 maxillary 45 fiducials 45 dinosaur skulls 45 alveolar bone loss 45 mesial 45 ammonite fossils 45 amniotic membrane 45 scent gland 45 jawbone fragment 45 ubiquitin molecules 45 dorsal spine 45 emergent vegetation 45 bony protrusion 45 prairie rattlesnake 45 nasal cavities 45 peritoneal cavity 45 vertebral disc 45 dental enamel 45 hyperkeratosis 45 zygomatic arch 45 adenoid 45 dentin layer 45 pelvic girdle 45 oviraptor 45 micropipette 45 coverslip 45 prepuce 45 elkhorn coral 45 fluorescent microscope 45 otoliths 45 bird beak 45 dentate 45 ammonite 45 secrete mucus 45 Laonastes 45 fatty tissue 45 vaginal mucosa 45 molar 45 sauropod dinosaur 45 scanning electron micrograph 45 Hummingbird feeders 45 ringworms 45 autogenous bone 45 adhesive remover 45 mouse mammary 45 Acanthostega 45 subretinal 45 noncancerous tumor 45 collagen fibrils 45 fossilized dung 45 lordosis 45 mastoid bone 45 autoclaved 45 wattles 45 forelimb 45 anal canal 45 tillandsia 45 trabecular bone 45 resorb 45 lamellae 45 biopsy needle 45 Scanning electron microscopy 45 #cm 3ft 45 wood putty 44 maxilla 44 Hadrocodium 44 acetabulum 44 Anomalocaris 44 papery skin 44 tibia bone 44 specimen 44 sanded smooth 44 demineralized 44 springtails 44 hollow tube 44 jaw bone 44 sulcus 44 dehiscence 44 lymph gland 44 tubercle 44 pancreatic tissue 44 Nemicolopterus 44 brachial arteries 44 stromatolite 44 cactus spines 44 intestine colon 44 waxy coating 44 Soil samples 44 Radiocarbon dating 44 silkworm cocoons 44 mussel larvae 44 hyperpigmented 44 saliva gland 44 insoluble plaques 44 potato tuber 44 collagenous 44 meniscal tissue 44 lateral ventricle 44 tooth 44 leaf axils 44 cist 44 oak acorns 44 sebaceous gland 44 Water striders 44 semen saliva 44 esophageal tissue 44 knife sheath 44 Schematic representation 44 dromaeosaurid 44 stag moose 44 punctate 44 incisors 44 sister taxon 44 fishhook 44 T. rex bone 44 bristle brushes 44 regrows 44 linen wrappings 44 gill arches 44 thallium toxic 44 fragilis 44 nevus 44 green alga 44 spinal vertebrae 44 jade pendant 44 flatworm 44 elongated snout 44 pottery sherds 44 gelatinous substance 44 cancerous moles 44 gauze pad 44 Scanning electron microscope 44 olfactory bulbs 44 occipital bone 44 microscopic mites 44 crosshatch pattern 44 Histological examination 44 antiseptic chlorhexidine 44 versicolor 44 SWAN Repository 44 periodontal ligament 44 sandcastle worm 44 carpus 44 labia minora 44 anal gland 44 torosaurus 44 cDNA library 44 pinky fingernail 44 pollen particles 44 cellularity 44 Nuvvuagittuq greenstone belt 44 chick embryo 44 vaginal cavity 44 dorsum 44 countersink 44 gummy worm 44 sphinx moth 44 cancerous lesion 44 talc powder 44 non destructively 44 injecting dye 44 bent inwards 44 Scrub potatoes 44 articular surfaces 44 agarose gel 44 distal phalanx 44 footpad 44 mucosal surface 44 Figure 1D 44 apatosaurus 44 lipomas 44 PrPSc 44 boiled linseed oil 44 laser whitening 44 cuticle layer 44 abdominal scar 44 grapefruit spoon 44 freshwater invertebrates 44 planaria 44 auricle 44 cuticle pusher 44 deoxygenated 44 choroid plexus 44 tragus 44 intervertebral discs 44 urine droppings 44 labial 44 vaginal secretions 44 lady slipper orchid 44 flexible endoscope 44 philtrum 44 silica spheres 44 posterior fossa 44 myxoid 44 lucidum 44 ovaries uterus 44 dentin 44 fibrous scar tissue 43 nitrogen isotope 43 sinus passages 43 crania 43 yellowy brown 43 tympanum 43 bony prominences 43 fossilized creatures 43 urine stains 43 amniotic sack 43 ciliated 43 serotonin transporters 43 bursal 43 nematode worm 43 debrided 43 Hadrosaur 43 spongy tissue 43 cortical bone 43 hair follicle 43 milky sap 43 periodontal ligaments 43 brow tine 43 glans 43 scalpel blades 43 Genyornis 43 gigantea 43 ganoderma 43 trichomonosis 43 pericardial patch 43 peanut allergen 43 nasal mucus 43 necrotic 43 Skin lesions 43 notochord 43 hollow cavity 43 Dental amalgam 43 placoderm 43 pigmented lesion 43 Dremel tool 43 syrinx 43 exostosis 43 proximally 43 subconjunctival 43 Tarbosaurus 43 seafloor sediment 43 #x#cm [001] 43 sauropodomorph 43 unshelled peanut 43 Dicer enzyme 43 bony structures 43 cylindrical shaped 43 da maged 43 hexagonal pattern 43 periodontal tissues 43 Doc Goofy Jigs 43 ornithopod 43 dermal layer 43 Use paring knife 43 dragonfly nymph 43 outer sheath 43 lacquer coating 43 rectal swabs 43 trachea windpipe 43 luminal surface 43 necrotic core 43 red itchy welts 43 facial malformations 43 Gawis 43 stringy bits 43 pearl oyster 43 avascular 43 metastatic lesion 43 lunate 43 fibrous connective tissue 43 osteocytes 43 vitellogenin 43 microcrystals 43 subadult 43 bull kelp 43 vise grips 43 cotton swab dipped 43 calyx 43 ileocecal valve 43 coprolites 43 ganglion cyst 43 capsular bag 43 rice paddy Tuan 43 ciguatera toxin 43 beta amyloid proteins 43 cancerous ovary 43 mouse testes 43 corneal ulcer 43 foil wrapper 43 telangiectasia 43 aliquots 43 trimers 43 medullary bone 43 buccal mucosa 43 thick rind 43 blond hairs 43 Nasopharyngeal 43 Descemet membrane 43 Agrobacterium tumefaciens 43 Falcarius utahensis 43 Young modulus 43 sedge grass 43 plastron 43 seborrheic keratosis 43 cell lysates 43 unhatched eggs 43 pelvis cavities 43 telogen phase 43 Nail fungus 43 microvilli 43 telogen 43 wrinkly skin 43 tooth enamel 43 noncancerous prostate 43 ossicles 43 flint arrowheads 43 gum grafting 43 endocervical 43 lymph glands 43 clotted blood 43 warm washcloth 43 concretions 43 phytoplankton zooplankton 43 Raptorex kriegsteini 43 thin bladed knife 43 intramedullary 43 Luminol 43 vaginal tissues 43 ballpoint ink 43 froglets 43 hemoglobins 43 shrimplike 43 Pierolapithecus 43 tonsil stones 43 condyles 43 intensely itchy 43 ribs vertebrae 43 lateral epicondyle 43 #/#-inch-long 43 bird guano 43 biocompatible biodegradable 43 sweetgum tree 43 atherosclerotic plaques 43 femur bones 43 phalanges 43 multi celled 43 gastropod 43 proteins secreted 43 discolored nails 43 burrowing rodent 43 geotextile fabric 43 hyoid 43 esophageal lining 43 magnetite crystals 43 spectroscope 43 Amplatzer device 43 teasel 43 gestational sac 43 titanium mesh 43 crisscross pattern 43 diverticulum 43 umbilicus 43 skeletons skulls 43 triceratops skull 43 carbonate globules 43 vascularised 43 sarcophagus lid 43 polymer beads 43 ignitable liquids 43 pea sized lump 43 Fig. 2B 42 thoracic aortic aneurysm 42 Hair follicle 42 unencapsulated 42 tallest redwood 42 flea comb 42 Castorocauda 42 fontanelle 42 Bone marrow stem cells 42 blastema 42 tusk 42 reindeer moss 42 indention 42 tardigrades 42 oviraptors 42 femoral bone 42 horned beetle 42 Fungal infection 42 xenoliths 42 polystyrene beads 42 Zelenitsky 42 Mosquito larvae 42 frontal sinuses 42 petioles 42 ureteral stents 42 seminal vesicles 42 tubelike 42 tiny tubules 42 gill plates 42 drupe 42 erectile tissue 42 agar plates 42 pre cancerous cells 42 extinct mammal 42 semicircular canal 42 acrylic nail 42 hyaline cartilage 42 papule 42 protozoans 42 onlay 42 echogenic 42 C. elegans worm 42 apple corer 42 amanita 42 lice comb 42 eagle talons 42 cadaver bone 42 adhesive residue 42 Hadar Ethiopia 42 #cm 2ft 42 bilaterally symmetrical 42 Paleozoic rocks 42 trilobite 42 serrated teeth 42 peri implant 42 Burmese Pythons 42 greenish brown 42 sentinel lymph node 42 sinus cavities 42 spheroids 42 rodent urine 42 dew claws 42 S. typhimurium 42 mealybugs 42 epithelial lining 42 diseased artery 42 ichthyosaur 42 vernix 42 dorsally 42 funnel webs 42 Siberian mammoths 42 buccal swabs 42 carnivore species 42 mucous lining 42 cat dander 42 basal cell skin 42 posteriorly 42 flower panicles 42 toxic alkaloids 42 subchondral 42 epithelial layer 42 coyote scat 42 mangabey 42 cavity 42 dinoflagellate 42 pencil erasers 42 fecal material 42 Gently rub 42 mastoid 42 Fathead minnows 42 micrographs 42 menisci 42 mottled brown 42 swim bladders 42 demineralisation 42 parathyroid glands 42 chalcedony 42 avian keratin disorder 42 primordia 42 crustaceans molluscs 42 narwhal tusk 42 acne blemishes 42 radiocarbon tests 42 porcelain crowns 42 barbed stinger 42 keloid scar 42 cinerea 42 inflorescences 42 malpositioned 42 Vizilite 42 planarian 42 nuchal 42 ear lobes 42 ampule 42 ankylosaur 42 lobule 42 resin fillings 42 bonebed 42 osteoporotic bone 42 needle nosed pliers 42 Basking shark 42 Exacto knife 42 yolk sac 42 physis 42 bluish greenish 42 brachiopod 42 shaped birthmark 42 Sanajeh 42 cavities 42 root canal therapy 42 fig. S1 42 Fig. 3b 42 palms soles 42 Linhenykus 42 snake fangs 42 pennywort 42 Orrorin tugenensis 42 gingival bleeding 42 Opuntia 42 arterial venous 42 viral nucleic acids 42 microfossils 42 dentinal tubules 42 chedi 42 cotton swab 42 occipital lobe 42 Ediacara 42 meth residue 42 pinworms 42 dermoid cyst 42 necklace pendant 42 mesentery 42 cloth moistened 42 tapeworm eggs 42 crossbill 42 sengi 42 salicylic 42 hormone human chorionic 42 granuloma 42 roughening 42 pathologic examination 42 cancerous colon 42 Inkayacu 42 suture removal 42 microbiomes 42 cloaca 42 ceramic jars 42 occlusal 42 badly decayed 42 Europasaurus 42 hippopotamus bones 42 Kambula 42 tamarack trees 42 secretase 42 Veil Nebula 42 long necked sauropod 42 jawless 42 Streptococcus salivarius 42 fluorescently labeled 42 EEG electrodes 42 dumbbell shaped 42 spinous process 42 collagen VII 42 abrading 42 sepal 42 skink 42 mottling 42 eucalyptus oils 42 poison dart frog 42 Deoxyribonucleic acid DNA 42 catkin 42 inner foreskin 42 ductal lavage 42 Confocal microscopy 42 porcelain restorations 42 biopsy specimens 42 heatproof glass 42 bee stingers 42 sandstone slab 42 mussel shell 42 hippo tusk 42 pelage 42 polyphosphates 42 shinbones 42 macroscopically 42 balloonlike 42 clawlike 42 prehistoric pygmy mammoth 42 sauropod skulls 42 stringybark 42 sulfur isotopes 42 mica schist 42 frog spawn 42 microhabitats 42 specimens 42 fossilized skulls 42 sinus cavity 42 Fossilized 42 opaline 42 femurs 42 bodkin 42 periurethral 42 archosaur 42 herbarium specimens 42 nematode worm Caenorhabditis elegans 42 decayed teeth 42 spinous processes 42 clitoral hood 42 H. habilis 42 Streptococcus mutans 42 plica 42 darning needle 42 biohazard bag 42 X ray diffraction microscopy 42 boar bristle 42 olivine crystals 41 birdlike dinosaur 41 whitish substance 41 freshwater snail 41 redhorse 41 pinworm 41 anterior abdominal 41 untreated decay 41 ulnar styloid 41 pacus 41 Dikika 41 orthodontic retainer 41 specimen jars 41 endometrial biopsy 41 tomato hornworm 41 tissue 41 electrode pads 41 coagulase 41 #S rRNA gene 41 forewings 41 beta amyloids 41 megalodon shark 41 Sea squirts 41 skull 41 skeletal fragments 41 precancerous lesion 41 spackling compound 41 quartz grains 41 tumor biopsies 41 PancakeCroc 41 Culiseta 41 biopsy forceps 41 pigmented layer 41 Repenomamus robustus 41 bony plates 41 hyoid bone 41 undersurface 41 caudal vertebrae 41 moxa 41 concentric layers 41 heterotopic bone 41 lamina 41 Bristlecone Pine 41 semicircular canals 41 staghorn fern 41 nubbin 41 orb weaver 41 tree trunk 41 cypress wood 41 allergen extracts 41 cancerous nodules 41 wood dowels 41 theropod 41 echinoderm 41 fiberglass replicas 41 R. robustus 41 genus homo 41 coffinette 41 bicuspid 41 plexiform neurofibromas 41 pygmy shrew 41 cuvettes 41 mandibular 41 cylindrical vase 41 fig. S2 41 dremel 41 comb jellies 41 bristle brush 41 Parissa wax 41 airway irritation 41 crossbones tattoo 41 jalousie window 41 nasal cavity 41 mitochondrial genomes 41 pipette tips 41 vascular malformation 41 Fig. 1c 41 tendon sheaths 41 Tianyulong 41 megalodon 41 elastic fibers 41 dentition 41 pellet lodged 41 purple sea urchin 41 ostracods 41 nucleotide sequences 41 sialidase 41 fine needle aspirates 41 peroxide gel 41 Phylogenetic analysis 41 gum wads 41 pygmy tarsier 41 sharp serrated knife 41 Dermabrasion 41 buccal swab 41 silvertip 41 Hirudo medicinalis 41 glass vitrines 41 matchstick sized 41 hawk moth 41 regrew 41 medicinal leech 41 theropod dinosaur 41 yucca plants 41 dorsal root 41 giant elephant shrew 41 smoky quartz 41 sharp paring knife 41 thighbones 41 common bile duct 41 Blombos 41 cartilaginous 41 aspirates 41 broccoli sprout extract 41 marten 41 morphologically distinct 41 evolutionary relatedness 41 Fig. 1A 41 adhesive caulk 41 fossa 41 abalone shells 41 ovules 41 pedicle 41 ruddy duck 41 induced sputum 41 MMP# 41 extinct woolly mammoth 41 midrib 41 salt crystals 41 Tenontosaurus 41 tibialis 41 Galapagos penguins 41 Fig. 3B