The study of the structure composition and function of tissues

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The Four Types of Tissues

the study of the structure composition and function of tissues

adenoma, A benign tumor that arises in or resembles glandular tissue. histology, The study of the structure, composition, and function of tissues. homeostasis.

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The term tissue is used to describe a group of cells that are similar in structure and perform a specific function. Histology is the the field of study that involves the microscopic examination of tissue appearance, organization, and function. Tissues are organized into four broad categories based on structural and functional similarities. The primary tissue types work together to contribute to the overall health and maintenance of the human body. Thus, any disruption in the structure of a tissue can lead to injury or disease. Epithelial tissue refers to groups of cells that cover the exterior surfaces of the body, line internal cavities and passageways, and form certain glands. Connective tissue , as its name implies, binds the cells and organs of the body together.

Wounding affects all the functions of the skin. The primary function of the skin is to act as a barrier.
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Some of these structures are very small and can only be observed and analyzed with the assistance of a microscope. Other larger structures can readily be seen, manipulated, measured, and weighed. Later, physicians were allowed to dissect bodies of the dead to augment their knowledge. When a body is dissected, its structures are cut apart in order to observe their physical attributes and their relationships to one another. Dissection is still used in medical schools, anatomy courses, and in pathology labs. In order to observe structures in living people, however, a number of imaging techniques have been developed. These techniques allow clinicians to visualize structures inside the living body such as a cancerous tumor or a fractured bone.



Histology, microscopy, anatomy and disease

Cells and tissues - Histology - Kenhub

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It is an old science, having its beginnings in prehistoric times. Anatomy and physiology , which study respectively the structure and function of organisms and their parts, make a natural pair of related disciplines , and they are often studied together. Human anatomy is one of the essential basic sciences that are applied in medicine. The discipline of anatomy is divided into macroscopic and microscopic anatomy. Macroscopic anatomy, or gross anatomy , is the examination of an animal's body parts using unaided eyesight. Gross anatomy also includes the branch of superficial anatomy.

Animal cells with the same structure and function are grouped together to form tissues. There are four types of animal tissues: epithelial tissue, connective tissue, muscle tissue and nervous tissue. Learners need to be able to identify the four basic animal tissues and relate structure to function.
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The term tissue is used to describe a group of cells found together in the body. The cells within a tissue share a common embryonic origin. From the evolutionary perspective, tissues appear in more complex organisms. For example, multicellular protists, ancient eukaryotes, do not have cells organized into tissues. Although there are many types of cells in the human body, they are organized into four broad categories of tissues: epithelial, connective, muscle, and nervous. Each of these categories is characterized by specific functions that contribute to the overall health and maintenance of the body. A disruption of the structure is a sign of injury or disease.

In biology , tissue is a cellular organisational level between cells and a complete organ. A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function. Organs are then formed by the functional grouping together of multiple tissues. The English word "tissue" is derived from the French word "tissu", meaning that something that is "woven", from the verb tisser , "to weave". The study of human and animal tissues is known as histology or, in connection with disease, histopathology. For plants, the discipline is called plant anatomy.

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