Growth and Regrowth Mechanisms

Design, Purpose and Specificity of the Narwhal’s Tusk

The narwhal’s tusk is a fascinating organ as it has the composition of a tooth but very different properties, in particular its ability to grow in a straight line. To understand the design mechanism allowing this particular feature, we will first present the composition, function and properties of the tusk.…

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Information Storage and Processing as Part of Pattern Formation, Photoreception, Thermoreception, and Mechanoreception of the Integument

Biological information storage and processing form the foundation for understanding organisms’ operation in nature. In this report, we examine the signaling and mathematical components of the skin from a portfolio of animals to illustrate their significance in governing the biomolecular and structural components in which they are intertwined. Particularly, we…

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Molecular Design of the Spine and Spinal Cord

This paper discusses the molecular aspects of the spine and the spinal cord. It explores the purpose of the spinal cord and how it operates in the body. The report then investigates how evolution has changed the spine and spinal cord of numerous species such as different reptiles, fish, and…

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Molecular and Histological Structures of Generic Mammalian Hair and Fur

Keratin structures are found throughout the animal world and can be found in diverse forms with varying functions. Hair has evolved to fit the needs of animals in their respective environments and thus has resulted in the range of keratin structures that can be seen in nature, from porcupine quills…

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Hypotheses for the Tooth Eruption Mechanism

Tooth eruption, the movement of the tooth germ from its non-functional position in the alveolar processes to its final function position in the oral cavity, is a little-known mechanism despite being highly documented. Many theories try to explain the mechanism of the eruption of the tooth; however, none succeed to…

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Molecular Phenomena in Flipper Formation and Limits of Miniaturization

The goal of the following report is to explore the intricacies of marine animals’ flippers at a molecular level. Three main topics will be addressed throughout the analysis: the phenomena underlying the formation of flippers from embryos, the molecular processes involved in the fin-to-limb transition from fish to tetrapods, and the…

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