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What is mesenchyme tissue?

Updated: 8/11/2023
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8y ago

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First, a little background (skip down to the short answer if you already know this) because it helps to first take a couple steps backwards in order to understand. You can trace the major tissue types in the human body back to the embryo, which has three "germ layers" called endoderm (inner layer - differentiates into the "inner" coverings like epithelial linings of organs, etc), mesoderm (middle layer - differentiates into mesenchyme - connective tissue, etc.), and ectoderm (outer layer - differentiates into "outer" protective coverings like epidermis, enamel, but also forms the nervous system).

It boils down to this...ectoderm and endoderm form the "parenchymal" tissue or "parenchyma." This tissue is composed of the highly specialized cells that "do the work" in an organ. For example, hepatocytes in the liver are cells that make proteins, make cholesterol, bile salts, etc. Another example would be the parietal cells in the stomach that release hydrochloric acid, and on and on and on.

The mesoderm differentiates into the mesenchyme, which is basically "everything else." The cells in these tissues play a support function. For example, mesenchymal tissue aids parenchymal tissues by providing blood, nutrients, structural support in the form of connective tissues.

Short Answer: Mesenchyme originates from the mesoderm (loose connective tissue) and eventually differentiates into the body's connective tissues (eg supporting framework in muscle, skin, organs, the ligaments, tendons, cartilage, bone, etc.), AND it also differentiates into blood vesselsand lymphatic vessels that circulate oxygen, nutrients, enzymes/ proteins, hormones, white blood cells, they clear waste, etc. Mesenchyme tissue does the "grunt work." Therefore, these 3 categories essentially play various support roles for the specialized, "functional" (parenchymal) cells in the tissues/ organs.

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13y ago
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8y ago

Mesenchyme tissue means Epithelial tissue.

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Q: What is mesenchyme tissue?
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Related questions

What embryonic tissue makes all connective tissue?

Undifferentiated mesenchymal tissue


What is the connective tissue widely distributed in the embryo but scarcely remaining in adults?

Mesenchyme


What is first connective tissue in the embryo?

Embryonic Connective tissue: mesenchyme


What embryonic cells tissue gives rise to ALL connective tissue?

Mesenchyme


Do all connective tissues arise from an embryonic tissue called mesenchyme?

true


What tissues are characterized by having a great deal of space between cells secretion of matrix and origination from mesenchyme?

connective tissue


Why are adipose blood and bones all considered to be connective tissues?

All connective tissue arise from mesenchyme, meaning they all come from a common origin.


Where do the articular cartilages arise from?

Articular (AKA Hyaline) cartilage is formed from condensed mesenchyme tissue, which differentiates into chrondrocytes and begins secreting extracellular matrix.


Where do the articular cartilage arise from developmentally?

Articular (AKA Hyaline) cartilage is formed from condensed mesenchyme tissue, which differentiates into chrondrocytes and begins secreting extracellular matrix.


What is the gastrulation that develop in the bone?

The Mesoderm forms the somites, the notochord and the mesenchyme. It is mainly the somites and mesenchyme that develop into the bones


Which is the most atypical connective tissue since it does not connect things or provide structural support?

BLOOD. It does not conncet things or give mechanical support. It is classified as connective tissue because it develops from mesenchyme and consists of blood cells, surronded by a nonliving fluid matrix called blood plasma.


What is condrogenesis?

In embryogenesis, the skeletal system is derived from the mesoderm germ layer. Chondrification (also known as chondrogenesis) is the process by which cartilage is formed from condensed mesenchyme tissue, which differentiates into chondrocytes and begins secreting the molecules that form the extracellular matrix.