Dictionary » R » Rudimentary



poorly developed and not functional.

Compare: vestigial, obsolete. Pertaining to the early stages of development.

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Re: 6 fingers

... and very easily remedied, when the hexadactyly is an isolated finding and the baby is otherwise entirely normal. Ulnar hexadactyly with just a rudimentary tag of a sixth digit, for instance, can be very simply treated by tying it off with one suture. However, according to Plastic Surgeon Dallas ...

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by BrentElmer
Fri Jan 30, 2015 7:10 am
Forum: Genetics
Topic: 6 fingers
Replies: 5
Views: 5901


... and at the time of writing they point out that there is “at least one known example of a primate tail that lacks vertebrae, as found in the rudimentary two-inch-long tail of Macaca sylvanus (the 'Barbary ape')”. Rhesus macaque Unfortunately, we could not find any other evolutionists who ...

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by Sumanth001
Tue Aug 20, 2013 6:40 am
Forum: Human Biology
Topic: Atavism
Replies: 4
Views: 4718

On the number of limbs.

Because it's not so easy to gain or lose limbs. Even aquatic mammals which seem to have no limbs, have still rudimentary legs. In other words, it is easier to change something than to gain or lose it.

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by JackBean
Tue Feb 05, 2013 4:34 pm
Forum: Evolution
Topic: On the number of limbs.
Replies: 7
Views: 5153

Evolution of the Face and Head

Hello! I am involved in academia professionally, but my knowledge of evolutionary biology is pretty rudimentary. I sometimes read about animals in my spare time, particularly arthropods, which have interested me since I was young. Anyhow, I was looking at photos of spiders ...

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by TomHarper
Sat May 05, 2012 9:07 am
Forum: Evolution
Topic: Evolution of the Face and Head
Replies: 5
Views: 5246

Re: Camouflage in nature

... NOW. How did the octopus manage to catch up? How does it manage to complete the process before the same natural selection tosses not yet useful rudimentary endeavor into a trashcan due to its low immediate utility or its obsolescence by the time it’s fully developed? The vast majority of species ...

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by Gavin
Fri Nov 11, 2011 2:44 am
Forum: Evolution
Topic: Camouflage in nature
Replies: 16
Views: 16622
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