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Explain the Term Thecodont and Diphyodont. - CBSE (Science) Class 11 - Biology

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Explain the term thecodont and diphyodont.

Solution 1

Thecodont: In human, each tooth is embedded in a socket of jaw bone. Such teeth are described as thecodont.
Diphyodont: Majority of mammals including human beings form two sets of teeth during their life, a set of temporary milk or deciduous teeth replaced by a set of permanent or adult teeth. This type of dentition is called diphyodont

Solution 2

Thecodont is a type of dentition in which the teeth are embedded in the deep sockets of the jaw bone. Ankylosis is absent and the roots are cylindrical.

Examples include living crocodilians and mammals.

Diphyodont is a type of dentition in which two successive sets of teeth are developed during the lifetime of the organism. The first set of teeth is deciduous and the other set is permanent.

The deciduous set of teeth is replaced by the permanent adult teeth.

This type of dentition can be seen in humans

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 NCERT Solution for Biology Textbook for Class 11 (2018 to Current)
Chapter 16: Digestion and Absorption
Q: 13 | Page no. 267

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Solution Explain the Term Thecodont and Diphyodont. Concept: Digestive System - Alimentary Canal.
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