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Local thickenings in a sentence
1. Local thickenings (often called warts) are common, such as those found on toads.
Some Words
- The outside
- one piece
- the sloughed skin
- dermal scales
- the dermis
- the furrows
- The similarity
- the scales
- bony fish
- some frogs
- somewhat similar osteoderms
- bony deposits
- convergent evolution
- similar structures
- diverse vertebrate lineages
- Amphibian skin
- cutaneous respiration
- adult amphibians
- their thin and delicate skin
- mucous glands
- The secretions
- these help
- the skin moist
- granular glands
- distasteful or poisonous substances
- Some amphibian toxins
- little effect
- The main poison-producing glands
- the parotoids
- the neurotoxin bufotoxin
- the backs
- the upper surface
- The skin colour
- three layers
- pigment cells
- These three cell layers
- the melanophores
- the deepest layer
- the guanophores
- an intermediate layer