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Regeneration – Definition, Types, Mechanism, Examples

Regeneration - Definition, Types, Mechanism

What is Regeneration? Definition of Regeneration Regeneration is the natural process by which organisms restore, repair, or replace lost or damaged body parts through the growth and differentiation of specialized cells, often known as stem cells. Types of Regeneration Regeneration, a pivotal biological process, can be classified into distinct types based on the underlying mechanisms … Read more

Metamorphosis – Definition, Types, Mechanism, Importance, Examples

Metamorphosis - Definition, Types, Mechanism, Importance, Examples

What is Metamorphosis? Metamorphosis is a biological process characterized by a profound transformation in the form, structure, or physiology of an organism as it progresses through distinct stages of its life cycle. It involves significant changes that are often irreversible and result in the emergence of a new developmental stage or life form. Stages of … Read more

Development Stages of frog – Pre-embryonic, embryonic and post-embryonic development

Stages in the development of frog - Pre-embryonic, Embryonic and Post-embryonic Development

The development of frogs follows a typical sequence of events observed in sexually reproducing organisms. It begins with the fertilization of an egg or zygote. The zygote then undergoes a series of divisions, dividing and re-dividing to form an embryo. The embryo is the earliest stage of development and remains within the egg or reproductive … Read more

Chemogeny or Chemical Evolution of Life

Chemogeny or Chemical Evolution of Life

What is Chemogeny? 1. Origin of Earth’s Primitive Atmosphere 2. Formation of Simple Inorganic Molecules (Water, Ammonia and Methane) The formation of simple inorganic molecules, such as water, ammonia, and methane, played a significant role in the chemical evolution of the primitive Earth. During the early stages, when the surface temperature of the Earth was less … Read more

Stem cell culture – Definition, Types, Application, Preparation

Stem cell culture - Definition, Types, Application, Preparation

What is Stem cell? Classification of Stem Cells Stem cells can be classified into different categories based on their origin, potency, and differentiation potential. Here are the main classifications of stem cells: It’s important to note that the classification of stem cells is not always rigid, as there can be overlap and ongoing research to … Read more

Teratogenesis – Definition, Factors, Mechanism

Teratogenesis - Definition, Factors, Mechanism

What is Teratogenesis? Teratogenic Agents 1. Infectious agents 2. Physical agents 3. Chemical agents Chemical agents, including certain medications and substances, can have teratogenic effects on the developing fetus. These agents can disrupt normal development and contribute to the occurrence of birth defects. Here are some key points about different chemical agents and their teratogenic … Read more

Ageing – Definition, Theories, and models

Ageing - Definition, Theories, and models

What is Ageing? Different Types of Aging Aging is a complex process that can be categorized into different types based on various perspectives. Understanding these different types of aging can provide a comprehensive view of the aging process. Here are five common classifications: Overall, aging is a multifaceted process that encompasses various dimensions. By considering … Read more

Developmental Biology Introduction, Hisotry and Basic concepts

Developmental Biology Introduction, Hisotry and Basic concepts

What is Developmental Biology? Developmental biology is a scientific discipline that focuses on understanding how organisms grow, develop, and mature from a fertilized egg into a complex multicellular organism. It explores the processes, mechanisms, and patterns that shape the formation of tissues, organs, and the overall body plan throughout an organism’s life cycle. Developmental biologists … Read more

What is Developmental Biology?

What is Developmental Biology?

What is Developmental Biology? Developmental biology is a branch of biology that studies the processes and mechanisms by which multicellular organisms grow, develop, and reach their final form from a single fertilized egg or embryo. It examines how cells differentiate and specialize to form different tissues and organs, as well as how these structures are … Read more

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