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Organ (anatomy)

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Organ (anatomy)

Organ
The liver of a sheep. The liver is one of the main organs in the body.
Anatomical terminology

In Roman pagan priests like the haruspices or the augurs in order to divine the future by their shape, dimensions or other factors. This practice remains an important ritual in some remote, tribal societies.

The term "visceral" is contrasted with the term "parietal", meaning "of or relating to the wall of a body part, organ or cavity". The two terms are often used in describing a membrane or piece of connective tissue, referring to the opposing sides.

7 Vital Organs of Antiquity

Some alchemists (e.g. Classical planets as follows:[5]

Planet Organ
Sun Heart
Moon Brain
Mercury Lungs
Venus Kidneys
Mars Gall bladder
Jupiter Liver
Saturn Spleen

See also

  • List of organs of the human body
  • Cloning
  • Fascia
  • Organ transplant
  • cellular structures

References

  1. ^ Widmaier EP; Raff H; Strang KT (2014). Vander's Human Physiology (12th ed.).  
  2. ^ "Viscus - Definition". Merriam-Webster Online Dictionary. Retrieved 14 December 2009. 
  3. ^ "Viscera". MeSH. Retrieved 14 December 2009. 
  4. ^ a b Barnhart's Concise Dictionary of Etymology
  5. ^ Philip Ball, The Devil's Doctor: Paracelsus and the World of Renaissance Magic and Science, ISBN 978-0-09-945787-9
, also visceral The adjective

Plant organs are made from tissue built up from different types of tissue. When there are three or more organs it is called an organ system. [4] The English word "organism" is a

The English word "organ" derives from the guts" (which may also refer to the gastrointestinal tract), or more formally, "innards".

Etymology

Human viscera

History

The organ level of organisation in animals can be first detected in flatworms and the more advanced phyla. The less-advanced taxons (like Placozoa, Porifera and Radiata) do not show consolidation of their tissues into organs.

Other animals

The vegetative organs are essential for maintaining the life of a plant. While there can be 11 organ systems in animals, there are far fewer in plants, where some perform the vital functions, such as clonal colony).

The study of plant organs is referred to as strobili, in Lycopodiophyta, or simply gametophores in mosses.

Strobilus of Equisetum telmateia.
The flower is the angiosperm's reproductive organ. This Hibiscus flower is hermaphroditic, and it contains stamen and pistils.

Plants

human anatomy.

Two or more organs working together in the execution of a specific body function form an organ system, also called a hypothalamus. For this reason, the two systems are combined and studied as the neuroendocrine system. The same is true for the musculoskeletal system because of the relationship between the muscular and skeletal systems.

Organ systems

Contents

  • Organ systems 1
  • Plants 2
  • Other animals 3
  • History 4
    • Etymology 4.1
    • 7 Vital Organs of Antiquity 4.2
  • See also 5
  • References 6

A hollow organ is a visceral organ that forms a hollow tube or pouch, such as the stomach or intestine, or that includes a cavity, like the heart or urinary bladder.

Organs are composed of main tissue, organelle.

[3][2]

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