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Lizard-people Biology and Physiology
Posted: Posted August 30th, 2016 by Foolster41

E: Here's a document with an anatomical description and goes over some of the issues I mention here: here.

(For some reason the tags aren't working)
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I was thinking about more stuff to add to my world of lizard-Folk "Salthans", and one thing I was considered was lizard-folk biology and physiology.

Specifically I was thinking what this would mean in terms of treating sick/injured Salthans (both in general treatment practises and in surgery) that would be different from humans, and what maybe a manual would look like for doctors in a non-sathan country (e.g. humans) for treating Salthans.

I was looking at images of insides of lizards and they seem to have basically the same parts, besides the cloaca. Are there major differences in systems between humans and lizards that I'm missing?

I saw it mentioned that generally reptiles (at least non-crocadillian ones) don't have secondary plates. and that means they have to hold their breath will swallowing.

What would this mean to medical procedures? This would probably mean that any procedure requiring a tube down the esophagus would require some sort of breathing bypass, right?

How would being cold-blooded potentially be different for a doctor if at all?

Would having a different (for example, head spines on male Salthans). possibly more difficult to descern indicators for biological sex (lack of mammories) potentially be a difficulty for human doctors?

Other things that might throw off a doctor (lack of nipples, navel)? Other things that would need to be considered for a lizard-person patient?

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Good thinking about having to not breathe while swallowing! (no secondary palates, I think you meant.)
You didn't mention having a three-chambered heart instead of a four-chambered heart.
As for being cold-blooded; that might make certain kinds of surgery easier and safer.
Lizards can regenerate entire limbs; people can regenerate only fingertips and toetips. That might make a difference.

That's just off the top of my head. I may think of more later. More likely, if someone else posts something else, that will jog my thinking.

Posted August 30th, 2016 by chiarizio

Yes, palates is what I meant, typo.

I did see about 3 chamber hearts in my research. I was looking a little at work during my lunch break what a 3-chamber heart looks like and how the system works.

Posted August 30th, 2016 by Foolster41

See this search.
But don't buy more than one of those books unless you're a lot richer than I am; most of them are expensive!
(Maybe your local public library can check one of them out of some nearby university's library through an inter-library loan. Or maybe you have privileges at a university library.)

_______________________________________________________________

P.S. You know the first thing I think of when you say "lizard people" is David Icke.

Posted August 30th, 2016 by chiarizio

…. I saw it mentioned that generally reptiles (at least non-crocodillian ones) don't have secondary palates. and that means they have to hold their breath will swallowing. ….


This site says they have to hold their breath while chewing. So, yes, the lack of a secondary palate would mean that a feeding-tube would prevent breathing and so something else would have to be done.
The fact that our esophagus crosses our trachea means that even we humans have to hold our breaths while swallowing. But with secondary palates and teeth we can chew and breathe at the same time; lucky for us, otherwise we'd need to develop gizzards.

[quote:9047775f20="quizlet"


This search also turns up the following statements:

The alligator and mammal have complete secondary palates, while the frog and Gila monster don't.


..... Reptiles and birds have an incomplete secondary palate. ... Modern birds that are endotherms don't chew their food. They chop and gizzard.


Search for "lizards have gizzards", and you'll find some interesting things, among them:
The gizzard, also referred to as the ventriculus, gastric mill, and gigerium, is an organ found in the digestive tract of some animals, including archosaurs (dinosaurs, birds, pterosaurs, crocodiles and alligators), earthworms, some gastropods, some fish and some crustaceans. This specialized stomach constructed of thick muscular walls is used for grinding up food, often aided by particles of stone or grit. In certain insects and molluscs, the gizzard features chitinous plates or teeth.


Posted September 1st, 2016 by chiarizio

Interesting.

I drew up a basic article with description of Salthan physiology and medical treatment practices here. (and edited into OP)

Posted September 1st, 2016 by Foolster41

I drew up a basic article with description of Salthan physiology and medical treatment practices here. (and edited into OP)

I enjoyed reading it, and I like the pictures.

Posted September 1st, 2016 by chiarizio

Thanks! :)

Posted September 2nd, 2016 by Foolster41

Thanks! :)

Why did you decide they have such limited control of their tails?

Posted September 2nd, 2016 by chiarizio

It seemed like their tail would be pretty heavy for how big it was. Maybe they should have a little more control than how I wrote it. *shrug*

Posted September 2nd, 2016 by Foolster41

Consider stegosauri and alligators, who can use their tails for defense. Consider spider-monkeys and certain chameleons, whose tails are actually prehensile. Consider horses, who can use their tails as fly-whisks. Consider wolves, who use their tales for social signals.

Why would they retain such heavy tails if they have no use for them?
Wouldn't the bony and muscular part get shortened, like a horse's tail, if they're so heavy?
Wouldn't they stay strong and dexterous if they're useful?

Just asking.

Posted September 2nd, 2016 by chiarizio

^Good questions I'll consider, thanks.

Posted September 2nd, 2016 by Foolster41

^Good questions I'll consider, thanks.

17-day bumpishness

Posted September 19th, 2016 by chiarizio

Foolster? Any thoughts?

Posted May 4th, 2018 by chiarizio

I'm not sure what else to add, unless someone can think of anything I should add.

I keep going back and forth on some things, between it being too weird, and me wanting Salthans to be weird/non-human. Specificly how for females the cloacla is the single prafoce for urine and feces expession, and sexual reproduction. (And for males, the cloaca is for both unire and feces expulsion, and the penis' only function is sexual).

I keep thinking I wish I could think of oddball Dr. House-esque weird doctor cases a human might be stumped by, because they're jnot familaur with something about Salthan anatomy.

Posted May 6th, 2018 by Foolster41

IMHO that would be a cool idea.

Posted May 6th, 2018 by chiarizio

I'm not sure what else to add, unless someone can think of anything I should add.

I keep going back and forth on some things, between it being too weird, and me wanting Salthans to be weird/non-human. Specificly how for females the cloacla is the single prafoce for urine and feces expession, and sexual reproduction. (And for males, the cloaca is for both unire and feces expulsion, and the penis' only function is sexual).

I keep thinking I wish I could think of oddball Dr. House-esque weird doctor cases a human might be stumped by, because they're jnot familaur with something about Salthan anatomy.


I wish somebody —— probably Foolster—— would expand on one of these ideas.

Posted December 23rd, 2018 by chiarizio

Haven't really come up with new biological stuff recently. I feel like there's a point where I have things pretty settled and can't add more.

For the digestive systems, I don't intend on ever mentioning it in the story, so I just don't describe it, and I avoided lizardfolk males having hemi-penises because I just wanted to not describe it, since most of the characters are minors and that'd be weird. (so the assumption from a reader is probably it's not too different than a human).

Maybe I'll think of the Dr. House style situations, but for now I still havn't come up with any.,

Posted December 23rd, 2018 by Foolster41

Thanks for your response!

Posted December 23rd, 2018 by chiarizio
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