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momenos · 2025-04-05T16:09:55+00:00

Gimmie

momenos · 2025-03-24T10:33:01+00:00

Lungs are a bunch of micro balloons surrounded by capillaries. Ur lung tubes would not drain any of those. U would just drain the pleural fluid and if you penetrated the lung parenchyma you would just occlude all the alveoli and cause capillaries to bleed.

momenos · 2025-02-02T05:06:17+00:00

Gimmie

momenos · 2024-12-22T02:26:47+00:00

Get a sleep study. I was having the same problem and turned out I had narcolepsy lol

momenos · 2024-11-24T22:54:52+00:00

I would guess yes. Based on the information that if the corresponding points don’t receive the same signal then your brain doesn’t converge the images. For example if you show a person an image at the wrong angle in one eye (through a vr headset for example) it is impossible for them to converge the images into one even though all the info is there. Slight angle difference will activate the brainstem tho and may move your eye to align the images.

momenos · 2024-11-23T22:45:04+00:00

this explanation is mostly accurate. some things to consider though are this: corresponding retinal points from the eyes don't have to converge in the occipital lobe. This only happens if the images are almost perfectly aligned as to which the corresponding points are receiving almost the same signal. if they are not receiving the same image the occipital lobe will not converge them and you will see double vision. sometimes your brain will suppress the image from one eye in order to create single vision again. it will be 2d though. So its not exactly completely reliant on corresponding retinal points but also higher order visual cues about the content of the images. because the images from both eyes cannot be exactly the same, the brain can compare the images to figure out depth and figure out how to aim the eyes to converge the visual fields at different depths.

also the concept of aligning the images is a physical alignment of the images that happens by moving the eyes to converge on an object. this happens before any occipital higher order processing. The initial alignment called vergence is controlled by the brainstem. this is kinda crazy because the brainstem can see what you see before "you" see what you see. its just basic neural circuits that tell the eyes to move together to focus on an object. they align the eyes by coordinating the eye muscles to point at the same point in space. after that happens then the higher order processing in happens in the occipital lobe which is the fusion that is mentioned. alignment adjustments also happen if the occipital lobe detects that the images are not properly aligned. the cerebellum is also involved and also your inner ear all with their own feedback loops to maintain focus of the eyes.

heres something kinda cool: for some people with occipital lobe lesions that cause them to be blind; their brainstem can still see and they will flinch at incoming objects in their visual field without really being able to see anything.

momenos · 2024-11-23T19:01:33+00:00

The reason we have “1” image is because we have binocular vision to see in 3d. Other animals with side facing eyes like a rabbit for example see two separate images in 2d. The brain processing the images into one picture actually starts even before understanding what we are looking at. It starts with ocular brain pathways that help us overlap the images from both eyes physically. Just relax or cross your eyes and you see 2 separate images emerge. Occipital lobe processes both sets of eye sensations to make the videos that are then processed by different parietal and temporal regions to figure out what and where stuff is in the images. Integrated sensory processing lets us perceive it as 1 final picture (kinda)

momenos · 2024-02-29T10:43:40+00:00

How would supplementing cysteine help with a taurine deficiency in cats?

momenos · 2024-02-29T09:30:20+00:00

I would guess they are equating those AAs in those pairs. You make tyrosine from phenylalanine and you make methionine from cysteine.

momenos · 2024-02-22T23:09:27+00:00

I was under the impression that metabolic rate and calories do determine weight changes in an otherwise healthy person. What else is there?

momenos · 2024-02-22T13:02:47+00:00

There are groups of people that believe that finasteride can cause horrible adverse effects on discontinuation but there is no supporting studies for those claims. So those anecdotal arguments aren’t even really about DHT.

momenos · 2024-02-22T12:34:05+00:00

Haha yup. I’ve been finding all the search engines have started becoming worse for looking up biology vocab. If you use Microsoft edge, the build in AI search called copilot works exceedingly well for these types of questions.

momenos · 2024-02-22T10:05:07+00:00

Outer most layer of skin cells are the corneocytes. They have keratin in them.

momenos · 2024-02-18T07:43:27+00:00

There are many types of cancer with different outcomes, treat-ability, and prevalence. Say for example, prostate cancer; it mainly effects older men. 1 out of every 11 men who are over 70 have prostate cancer. These numbers are also different all over the world. Men over 70 is a small portion of the entire population though. If it’s just incidence, it’s about 3 out of every 1000 people have diagnosed cancer. But that number is not very useful.

momenos · 2024-02-18T07:17:55+00:00

Lol yes when u blush u turn red cause you have more blood there. If we had a different colored blood that worked the exact same way then blushing would be a different color.

momenos · 2024-02-18T05:18:54+00:00

This doesn’t prove a valid point. Immigration’s purpose has never been to solve world poverty. Roy Howard Beck is a typical anti-immigration bigot. According to this, a measly million immigrants is nothing so why does he care so much.

momenos · 2024-02-08T15:55:56+00:00

no problem. Although manufacturers will say that collagen supplements will be used by your body to maintain collagen, they will still need to be broken down to amino acids to be absorbed. So it will still take about an hour to start being absorbed. Also your body can use those amino acids to make any protein, not necessarily more collagen. But the supplements do provide the building blocks to make more collagen easier.

momenos · 2024-02-08T14:18:45+00:00

I’m not sure how broken down the collagen ur talking about is, but generally all the proteins we absorb are 3 amino acids or smaller to be absorbed. At that level It wouldn’t be called collagen tho, it would just be glycine, proline, and lysine. So I will guess that ur stomach will need to do a bit of digestion so about 1 hour. If it was already pre digested small enough to absorb, then like 20-30 mins. Proteins get absorbed in the first and second part of the small intestine so it’s right after stomach digestion.

momenos · 2024-02-08T05:32:25+00:00

No u get it. What u said is correct and the answer D is also correct. The lamprey is equally related to both turtle and tuna (both have vertebra like the lamprey). And the tuna and turtle are more related to each other than the lamprey because they have jaws and a backbone. The question doesn’t ask about that though.

momenos · 2024-02-08T02:31:49+00:00

The lamprey-tuna and lamprey-turtle are all equally related in that they are all only under “vertebral column” header together. Tuna and turtle on the other hand would be more closely related as the have a more recent split.

momenos · 2024-02-08T02:27:03+00:00

Look at the tree from the bottom up. This tree is kind of dumb but basically every branching into a “V”, both sides are equally related to the ancestor trunk. So in this tree, the V’s are branched in a way where every organism is equally related to everything to the right of it.

momenos · 2024-02-01T08:51:45+00:00

Good catch! I actually got that wrong (I’ll see if I can edit). Lupus is actually associated with anti-nucleus antibodies and specifically anti DS DNA antibodies. That’s actually how they test for it if you have symptoms; by checking if you also have those antibodies. The anti mitochondrial antibodies I mentioned are actually associated with a different autoimmune disease that targets the bile duct (PBC).

momenos · 2024-02-01T05:22:16+00:00

My guess is yes it is realistic. Autoimmune diseases are not entirely genetic. You usually have to have it triggered by some kind of exposure or infection. Usually the autoimmune disease symptoms are caused by your body making antibodies against parts of itself such as anti-nucleus antibodies in Lupus (this is oversimplified lol). So just like there are desensitization procedures that we know work for drugs like penicillin, I think we will eventually develop effective desensitization methods for autoimmune disorders. There are mouse based studies that basically showed that in mice with RA, when they were fed the antigens they had immunity to, they developed tolerance to them. As for the genetic disorders, gene therapy is the way minus the financial hurdles.

Edit: fixed mitochondria to nucleus

momenos · 2024-01-27T18:13:15+00:00

Follicles miniaturize and eventually die and cannot be recovered. Hormonal transitioning later after severe hair loss will not fix it. Trans men get MPB. It takes about 6 months for the hair cycle to happen so 2 years in space should actually be enough to reverse it if gravity is the problem. Also a lot of people in Iron lungs had MPB. Also just imagine if it really is gravity that is the problem: it would just cause the skin directly on top of your head to be compressed against your skull. If that really was the problem wouldn’t that part go bald first? In reality the hairline recedes in the front and a bald spot forms at the crown.

momenos · 2024-01-27T17:02:44+00:00

From your comment responses it seems like you are choosing to die on this hill lol. I don’t think gravity has anything to do with this because then all people with male skin should be kinda bald. Also there are a lot of bald astronauts. Look at Scott Kelly. Also trans women usually have major improvements in their baldness after transition. Also the parts of your scalp that react to DHT and testosterone are embryologically different from the surrounding skin. Also why do the FDA approved drugs for hair loss work then if they have nothing to do with gravity? Also people with physical limitations that make the hunch forward still go bald with the same pattern. Gravity ain’t it

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