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
what is tendonand describe its working it is a steel element such as a wire cable bar or strand which is provided in a stretched form to impart
explain the term - prestressing forcedue to the stretching of tendons tensile stresses develop inside tendons resultant prestressing force in
state the method of pre- tensioning it is a method of prestressing concrete in which tendons are stretched or tensioned before concreting in this
what do you understand by polypthe sessile asexual stage in the cnidarian life cycle in some species they are independent organisms in others they
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