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 the meaning of compressive stressesthese intentionally induced stresses are compressive in nature and these compressive stresses reduce or
what is peristomium describethe segment behind the prostomium in annelids which contains the oral opening this segment like the prostomium isnt a
what is the significance of pharyngeal gill slitlateral opening in the wall of the pharynx which allows water to enter into the mouth and exit
what do you understand by pharynxthe region of digestive tract between the mouth and esophagus in most animals its muscular and forces food into the
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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