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Encyclopedia > Thorax
Diagram of a tsetse fly, showing the head, thorax and abdomen
Diagram of a tsetse fly, showing the head, thorax and abdomen

The thorax is a division of an animal's body that lies between the head and the abdomen. i coloured this, originally from Websters New International Dictionary of the English Language, 1911, G & C Miriam Co. ... Binomial name Glossina morsitans The tsetse fly, Glossina morsitans, is a fly (order Diptera) that eats blood from animals, including humans. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... For other uses of the word head, see head (disambiguation). ... The human abdomen Footballer John Arne Riise flashing his abdominals The human abdomen (from the Latin word meaning belly) is the part of the body between the pelvis and the thorax. ...


In humans, the thorax is the region of the body that extends from the neck to the diaphragm, not including the upper limbs. The heart and the lungs reside in the thoracic cavity, as well as many blood vessels. This area is protected by the rib cage and the sternum. This article is in need of attention. ... The neck is the part of the body on many limbed vertebrates that distinguishes the head from the torso or trunk. ... A diagram of the thoracic muscles featuring the diaphragm In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage. ... In humans, the upper limb is an anatomical term for the limb that is attached to the pectoral girdle. ... The heart and lungs (from an older edition of Grays Anatomy) The heart (Latin cor) is a hollow, muscular organ that pumps blood through the blood vessels by repeated, rhythmic contractions. ... The lungs flank the heart and great vessels in the chest cavity. ... The thoracic cavity is the chamber of the human body (and other animal bodies) that is enclosed by the ribcage and the diaphragm. ... The arterial system The blood vessels are part of the circulatory system and function to transport blood throughout the body. ... This article is about the bones called ribs. ... Sternum or breastbone is a long, flat bone located in the center of the thorax (chest). ...


In insects and the extinct trilobites, the thorax is one of the three main segments of the crature's body. It is the area where the wings and legs attach in insects, or an area of multiple articulating plates in trilobites. Classes & Orders Subclass: Apterygota Orders Archaeognatha (Bristletails) Thysanura (Silverfish) Monura - extinct Subclass: Pterygota Orders Ephemeroptera (mayflies) Odonata (dragonflies and damselflies) Diaphanopteroidea - extinct Palaeodictyoptera - extinct Megasecoptera - extinct Archodonata - extinct Infraclass: Neoptera Orders Blattodea (cockroaches) Isoptera (termites) Mantodea (mantids) Dermaptera (earwigs) Plecoptera (stoneflies) Orthoptera (grasshoppers, etc) Phasmatodea (walking sticks) Embioptera (webspinners) Zoraptera... Orders Agnostida Redlichiida Corynexochida Lichida Phacopida Proetida Asaphida Harpetida Ptychopariida Proposed order Nektaspida Trilobites are extinct arthropods in the class Trilobita. ... A Laughing Gull on the beach in Atlantic City. ...

The trilobite body is divided into three major sections, a cephalon with eyes, mouthparts and sensory organs such as antennae, a thorax of multiple similar segments (that in some species allowed enrollment), and a pygidium, or tail section. © Sam Gon III
The trilobite body is divided into three major sections, a cephalon with eyes, mouthparts and sensory organs such as antennae, a thorax of multiple similar segments (that in some species allowed enrollment), and a pygidium, or tail section.
© Sam Gon III


Image File history File links Summary Diagram showing the location of the cephalon, thorax and pygidium of a trilobite. ...


References

  • Sam Gon III. "A guide to the Orders of Trilobites."  . Accessed on August 23, 2005.

  Results from FactBites:
 
Thorax - Wikipedia, the free encyclopedia (182 words)
The thorax is a division of an animal's body that lies between the head and the abdomen.
In humans, the thorax is the region of the body that extends from the neck to the diaphragm, not including the upper limbs.
In insects and the extinct trilobites, the thorax is one of the three main segments of the creature's body.
AllRefer.com - thorax (Zoology: General) - Encyclopedia (186 words)
The skeletal frame of the thorax is formed by the sternum (breastbone) and ribs in front and the dorsal vertebrae in back.
The chest and abdominal cavities are separated by a muscular structure, the diaphragm.
In insects and other arthropods the thorax is a body division consisting of several segments lying between the head and abdomen, to which are attached legs or other appendages.
  More results at FactBites »

 
 

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