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Planet Eve - Anatomy by Tapejara Planet Eve - Anatomy by Tapejara
A. Clamp: this was once the opening of the shell of these animals. It has since found itself on the animals head and its design has been altered to crush and grind food. Some species have a razor outline or sharp canines to help cut or tear food.

B. Excurrent siphon (aka rectum and large intestine): where waste products are ejected from the body. Like clams and oysters today, the mouth and anus are located in the same area. To prevent infection, wastes are spat out in a jet, and saliva glands (the small purple one) provide saliva with antibiotics.

C. Nasal cavity: used by the animal to breathe and make sounds. Sounds are created when individual nerves open different tubes, changing the flow of air like a trumpet. Most animal voices are therefor very high pitched. Like our whales or Geb7's animals, the respiratory and digestive systems don't merge.

D. Incurrent siphon (aka mouth): a flexible but heavily muscled appendage that picks up bolus and swallows it.

E. Eye sockets: a damp region where the eyes are retracted and moistoned. Eyes are pulled inside by tendons and small muscles. This is our equivalent of blinking. Behind the eye socket one can find the ears.

F. Ganglions (aka brains): rather than having a single large brain in the head, Planet Eve's animals have a series of selective interconnected small brains along the length of their bodies. Each ganglion controls different functions of the body.

G. Lungs: evolved from gills, the accordion shaped lungs expand and contract to intake oxygen and expell carbon dioxyde.

H. Intestines: like any, they absorb nutrients broken down by the stomach and pass it into the blood stream. Unlike most animals, the intestines of Planet Eve's creatures pass food upward rather than downward, as other wastes head towards the excurrent siphon.

I. Liver: they are more complex as they assume both roles of Earth's livers and Pancreas. Seperate chambers prevent different hormones like insuline or bile from mixing prematurely. The liver on planet eve is therefor heavier.

J. Diaphragm: a series of tendons and muscles that allows the lungs to expand. Both of them are located in a chamber in the back of the animal where there is enough room to expand. This is necessary as the exoskeleton limits expansion compared to our skin and ribs. The design is what allows the animal named the Organist to produce more complex sounds ([link]).

K. Fat Storage

L. Shell (aka exoskeleton): evolved from a pair of closing pieces into a series of linked plates. Very durable and allows the animal to retain water in a desert environment. In some species, the shell pieces can shed and be replaced with large plates to accomodate growing bodies. Between pieces are tough but flexible leathery joints that allow movement.

M. Ovary: Most animals on Planet Eve do not give birth to live young. Most species must migrate to a body of water to lay their eggs in order to protect them from the desert conditions. The soft eggs are passed through an oviduct and layed into the water. Males can then fertilise them by spraying the egg collection with spermatozoa. The young of those species of animals are amphibious and need to remain in water as the shell develops to protect their soft bodies. Other animals such as the Kakodonidos ([link]) lay hard shelled eggs in a damp nest made from plant matter and water to keep the eggs from losing all their water. A few rare species are viviparous.

N. Foot Ganglion: a ganglion that controls the flesh tissue of limbs.

O. Spur: a spike that helps guide eggs or spermatozoa through the water.

P. Leg Tissue: the flesh of Planet Eve's animals has a more similar design to that of fish rather than mammals such as cattle. None the less, it is uncompressible and assists the shell in supporting the animal.

Q. Stomach: in herbivores, the stomach is very large to help gather as many nutrients as possible from the plants the eat.

R. Spleen

S. Four-chambered Heart

T. Coelum: a damp tube for storage of water that helps keeps the body moist and the temperature down. When observed, it looks like a large maggot.

U. Mantle: a soft membrane located underneath the shell. It helps prevent friction of organs and also seperates the different systems of the body. Supports many of the body's nerves, veins and capilaries. Also assists the coelum in cooling down the body.

Take me to the liver
Push it on my platter
Give me a piece of liver
Oh, drop it on my platter

-Weird Al Yankovic
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:iconthemutantlizard:
themutantlizard Featured By Owner Jul 4, 2018
Whats the most intelligent lifeform on Eve?
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:icontapejara:
Tapejara Featured By Owner Jul 4, 2018  Hobbyist Traditional Artist
There are no sentient lifeforms on Eve. The most intelligent lifeform as of this comment may be the Deinoyaina, due to its ability to cooperate in hunting packs. Most of the planet remains to be explored however.
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:iconmickmcdee:
MickMcDee Featured By Owner Dec 16, 2012  Hobbyist Traditional Artist
very nice colouring :-)
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:icontapejara:
Tapejara Featured By Owner Dec 16, 2012  Hobbyist Traditional Artist
thank you
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:iconpeteridish:
PeteriDish Featured By Owner Dec 12, 2012  Hobbyist General Artist
sweet! =)
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