what is placoid scale elaborate in detailscales
What is Placoid scale? Elaborate in detail.
Scales characteristic of cartilaginous fish. Formed from the dermis, scale is anchored in that layer by a basal plate composed of dentin and from that a spine, made of tooth like enamel, points backward.
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what is placoid scale elaborate in detailscales characteristic of cartilaginous fish formed from the dermis scale is anchored in that layer by a
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