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Chapter 8

Tissues of the Human Body

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Тканей

Tissues are a group of cells that share a common embryonic origin. Microscopic observation reveals that the cells in a tissue share morphological features ...

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Эпителиальные ткани и их функции

Epithelial tissues are large sheets of cells covering all of the surfaces of the body. These surfaces can be internal or external, for example, skin, ...

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Молекулы клеточной адгезии - виды и функции

Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical ...

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Обзор межклеточных соединений

The complex three-dimensional arrangement of cells in any multicellular organism is defined and maintained by interactions of cells with each other and ...

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Классификация эпителиальных тканей: обзор

Epithelial tissues are classified according to the shape of the cells and the number of cell layers formed. Cell shapes can be squamous (flattened and ...

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Классификация эпителиальных тканей: простой эпителий

Simple epithelium consists of a single layer of cells that lines body cavities and blood vessels. The shape of the cells in the epithelium reflects the ...

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Классификация эпителиальных тканей: стратифицированный эпителий

Stratified epithelium consists of several stacked layers of cells. They provide the durability to withstand constant physical and chemical attacks. ...

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Классификация эпителиальных тканей: железистый эпителий

The glandular epithelium is made of one or more epithelial cells modified to synthesize and secrete chemical substances. Glandular epithelia can be ...

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Экзокринные железы: одноклеточные и многоклеточные железы

Exocrine glands are classified as unicellular and multicellular. The unicellular glands are scattered single cells, such as goblet cells, found in the ...

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Экзокринные железы: методы секреции

Exocrine glands are those that release their secretions through ducts. Based on their mode of secretion, they can be classified into merocrine, apocrine, ...

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Экзокринные железы: виды выделений

Exocrine glands produce and release a variety of glandular products. Exocrine glands can be classified into serous, mucous, or mixed types based on their ...

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Введение в соединительные ткани

Connective tissues are one of the four main tissue types in humans that are extensively present in the body. They are characterized by cells embedded in ...

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Функции соединительных тканей

Connective tissues perform a broad range of functions in the body. Their primary function is to connect and link different tissues in the body and act as ...

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Классификация соединительных тканей

The connective tissues have different properties and functions in the human body. They are broadly categorized into proper, supporting, or fluid ...

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Эмбриональные соединительные ткани

During early development, the embryo forms two types of connective tissues— the mesenchyme and mucoid connective tissue. The mesenchyme is the first ...

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Обзор собственно соединительных тканей

Connective tissue proper is a class of connective tissue that encompasses all mature connective tissues except bone, cartilage, blood, and lymph. This ...

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Внеклеточный матрикс

Unlike epithelial tissue, which is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are ...

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Волокна соединительной ткани и измельченное вещество

One of the significant functions of connective tissue is connecting tissues and organs. Unlike epithelial tissue that is composed of cells closely packed ...

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Рыхлая соединительная ткань

Loose connective tissue is found between many organs. Its main function is to absorb shock and bind tissues together. It also allows water, salts, and ...

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Плотная соединительная ткань

Dense connective tissue contains more collagen fibers than loose connective tissue. As a consequence, it displays greater resistance to stretching. There ...

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Собственно слои соединительной ткани

Fascia, a thin layer of fibrous connective tissue, is distributed throughout the body. It demarcates and forms a supportive covering over skeletal ...

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Кость как опора соединительной ткани

Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body. Bone Matrix Bone, or osseous tissue, is a connective ...

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Тканевые мембраны

A tissue membrane is a thin layer of cells that covers the outside of the body, the organs, internal passageways that lead to the exterior of the body, ...

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Жидкие соединительные ткани: кровь и лимфа

Blood and lymph are fluid connective tissues. They contain cells, also known as formed elements, circulating in a liquid extracellular matrix, the plasma. ...

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Повреждение тканей: воспаление и восстановление

Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among ...

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Влияние старения на ткани

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and ...

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