Agriculture & Biology
nails (integument)
100%
hooves
92%
claws
81%
limbs (animal)
69%
appendages
54%
Cenozoic era
20%
mammals
14%
phalanges
13%
adaptive radiation
12%
gene expression
12%
gene induction
11%
regulator genes
10%
feathers
10%
cells
9%
hairs
9%
morphogenesis
9%
teeth
8%
vertebrates
7%
Medicine & Life Sciences
Hoof and Claw
97%
Nails
73%
Extremities
52%
Epidermal Cells
23%
Mammals
17%
Feathers
14%
Gene Expression
12%
Homeobox Genes
11%
Regulator Genes
10%
Morphogenesis
10%
Hair
10%
Vertebrates
9%
Radiation
7%
Tooth
7%
Earth & Environmental Sciences
limb
67%
gene expression
33%
cell
26%
condensation
26%
mammal
25%
adaptive radiation
19%
feather
17%
morphogenesis
17%
matrix
16%
hair
15%
vertebrate
12%
tooth
12%
gene
10%
fold
10%
analysis
3%