JoVE Science Education > 人体の組織

第８章

人体の組織

無料サンプル

Free access at this time

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

無料サンプル

Free access at this time

上皮組織とその機能

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, ...

無料サンプル

Free access at this time

細胞接着分子 - 種類と機能

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

無料サンプル

Free access at this time

細胞間接合部の概要

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

無料サンプル

Free access at this time

上皮組織の分類:概要

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 ...

無料サンプル

Free access at this time

上皮組織の分類:単純上皮

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 ...

無料サンプル

Free access at this time

上皮組織の分類:成層上皮

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

無料サンプル

Free access at this time

上皮組織の分類:腺上皮

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

無料サンプル

Free access at this time

外分泌腺:単細胞腺および多細胞腺

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

無料サンプル

Free access at this time

外分泌腺:分泌方法

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

無料サンプル

Free access at this time

外分泌腺:分泌物の種類

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

無料サンプル

Free access at this time

結合組織の紹介

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 ...

無料サンプル

Free access at this time

結合組織の機能

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 ...

無料サンプル

Free access at this time

結合組織の分類

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

無料サンプル

Free access at this time

胚性結合組織

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

無料サンプル

Free access at this time

コネクティブティッシュプロパーの概要

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

無料サンプル

Free access at this time

細胞外マトリックス

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

無料サンプル

Free access at this time

結合組織繊維と粉砕物質

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

無料サンプル

Free access at this time

ルース結合組織

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 ...

無料サンプル

Free access at this time

高密度結合組織

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

無料サンプル

Free access at this time

適切な結合組織の層

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

無料サンプル

Free access at this time

結合組織を支える骨

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

無料サンプル

Free access at this time

ティッシュメンブレン

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, ...

無料サンプル

Free access at this time

液体結合組織:血液とリンパ

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

無料サンプル

Free access at this time

組織損傷:炎症と修復

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

無料サンプル

Free access at this time

老化が組織に及ぼす影響

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