Histology Muscle and Connective Tissue - amazonia.fiocruz.br

Histology Muscle and Connective Tissue - the

Muscle tissue is a soft tissue that composes muscles in animal bodies, and gives rise to muscles' ability to contract. This is opposed to other components or tissues in muscle such as tendons or perimysium. It is formed during embryonic development through a process known as myogenesis. This tissue is responsible for movements in our body. Muscles contain special proteins called contractile protein which contract and relax to cause movement. Muscle tissues vary with function and location in the body. In mammals the three types are: skeletal or striated muscle ; smooth or non-striated muscle; and cardiac muscle , which is sometimes known as semi-striated. Smooth and cardiac muscle contracts involuntarily, without conscious intervention. These muscle types may be activated both through the interaction of the central nervous system as well as by receiving innervation from peripheral plexus or endocrine hormonal activation. Striated or skeletal muscle only contracts voluntarily, upon the influence of the central nervous system. Histology Muscle and Connective Tissue

Tissud objective of anatomy is the systematic understanding of the principles underlying the external form and internal architecture of multicellular organisms. Gross anatomy, or gross anatomy, considers structural features that can be inspected with the naked eye.

In turn, histology or microscopic anatomy, considers structural characteristics that can only be inspected using a microscope, being a fundamental device to understand thick anatomy.

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Its integration Connectiv cellular and molecular biology allows us to understand the organization and function of cells. Marcello Malpighi — was the forerunner of histology. He used the microscope to study plants and animals. Despite not using a microscope, inby dissecting https://amazonia.fiocruz.br/scdp/blog/work-experience-programme/caffeine-in-tea-samples.php and chemical tests, he identified 21 human tissues.

InCarl Mayer — coined the term "histology. InJoseph J.

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Lister — designed a revolutionary optical microscope, correcting for chromatic and spherical aberrations. Thanks to this, during the rest of the century, modern histology could develop.

InThomas Histology Muscle and Connective Tissue — and Lister proved that red blood cells lack a nucleus. InRudolf Virchow — postulated that diseases ans their origin in disturbances of cells. For this and other contributions, he is considered the founder of histopathology. The development of comparative histology has been possible thanks to descriptive studies of animal and plant tissues. Comparative histology includes histopathology, cytopathology, histochemistry, functional histology, and plant pathology.

It also applies to the study of the evolution and systematics of living beings, as for example occurs with paleohistology. Histopathology studies and diagnoses human and animal diseases.

For this, it uses tissue samples biopsies that are fixed, sectioned, and examined by a professional known as a pathologist. Cytopathology Histology Muscle and Connective Tissue studies and diagnoses human and animal diseases. The difference is that it does so at the level of microscopic fragments of free tissues and cells. Histochemistry combines biochemical and histological techniques to analyze the chemistry of tissues. It is based on the use of chromogenic markers that serve to reveal positive cellular processes for certain substances. Functional histology investigates the dynamic aspects of the organization of tissues. Phytopathology studies plant diseases caused by viruses, bacteria, protozoa, parasitic plants, fungi and nematodes. Epithelial tissue is made up of layers of cells that line epithelium the body surface, surround endothelium the body cavities or form glands and their ducts.

Epithelial tissue is classified into simple a single layer of more infostratified several layers of cellspseudostratified a layer of cells attached to a basement membranesquamous flattened cellscuboid rounded surface cellsand columnar. The airways are lined by pseudostratified columnar epithelium.]