Integument: Difference between revisions
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There are many different organisms on Sagan IV which have different kinds of '''integument''', or body-covering. This page serves to compile which organisms have what kind of body-covering.
==Skin==
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Some organisms, primarily microbes and sessile multicellular organisms, have cell walls for their exterior, which doubles as support. This is usually made of cellulose or chitin, depending on the organism. Some real-world examples include plants and fungi.
A few faunal organisms on Sagan 4 have a mix of walled and unwalled cells.
Examples: Crystal flora, purple flora, black flora▼
▲Examples: [[Crystal flora]], [[purple flora]], [[black flora]]
==Plates==
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Scales are relatively thin and flexible plates made of keratin, chitin, or cellulose which usually cover an organism's entire body. A real-world example is lizards.
Examples: [[Snappers]], [[limblesses]], basal caudopods, blood shrews
===Scutes===
A scute is a thick plate made of a material such as keratin or chitin which acts as a shield. Osteoderms can fall under the definition of scute in real life, but on Sagan 4 they are defined separately for the sake of having a distinction. Some real-world organisms which have scutes include turtles, ticks, and birds.
Examples: Some [[
===Osteoderms===
Osteoderms are plates which have a mineralized core, which is more protective than a purely keratinous scute but also significantly heavier. Some real-world examples include armadillos, various pseudosuchians, and stegosaurs.
Examples: [[Shrog]]s, [[turtsnappers]], [[Crested King Limbless]]
===Bubble Scales===
Bubble scales are a structure unique to Sagan IV which are currently only found in a specialized subgroup of shrews. They are effectively scales filled with air and they are used for insulation.
Examples: [[Bubbleskins]]
===Bark===
Bark is usually made of lignified cellulose and may contain some calcium. The "scales" or "armor" of many plents is made of bark. In real life, bark is primarily found on woody plants.
Examples: Purple trees, some black trees, many plents, [[barkbacks]]
===Sclerites===
Sclerites refer specifically to chitinous plates which are hardened to form an exoskeleton or similar. Arthropods and their close relatives have these.
Examples: [[Wingworms]], [[scuttlecrabs]], [[lizardworms]],
===Shell===
A shell is a large, usually mineralized, and sometimes paired structure which protects an organism's entire body. Some real-world examples include molluscs and brachiopods.
Examples: Shelled [[urchips]], [[bubblehorn]]s
==Filaments==
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On Sagan IV, hair or fur refers to any monofilament (unbranching fiber) made of keratin or chitin. Some real-world examples are mammals and many arthropods.
Examples: Furry [[shrew]]s, [[azelaks]], many [[worm|binucleid worms]]
===Feathers===
On Sagan IV, feathers refer to any branching filament made of keratin or chitin. Some real-world examples include birds, pterosaurs, and some spiders.
Examples: [[Sauceback]]s, [[pinyuks]], [[skysnapper]]s
===Quills===
Quills are usually modified filaments which are stiff and sharp. They are typically used for defense. Some real-world examples include porcupines and hedgehogs.
Examples: Quilltails, [[Lotan]]
===Plent Cotton===
Plent cotton is a type of monofilament fiber made of cellulose which is found in some gulpers.
Examples:
===Trichomes===
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Examples: [[Downfeathered Noleap]], [[Gryphler]], uncountably numerous flora
[[Category:Anatomy]]
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