How to design a species with hollow breasts?

I will be making several posts on this community regarding questions which involve the design specifications of an alternate human species I designed. Because I'm not a biologist, and I have no idea what I'm doing half of the time. But I strive for realism and immersion, and I prefer to seek out the aid of people who know what they are doing.

This question pertains to the plausibility of hollow breasts in a nearly human species.

This is the basic concept and I'm just asking for an analysis and critique of the concept.

So the basic concept of these alternate humans breasts is that they function kinda like self-replenishing water balloons. The Breast Milk would be produced by the mammary glands which would be moved to the very back of the breasts, against the chest wall. The actual interior of the breast would comprise of a bladder-like organ that stores the breast milk which can, in turn, be released from the breast with a squeeze. I would presume that a sponge-like organ should be put in the front area of the breast which would ''filter'' the breast milk and help it exit the breast in an "organized" fashion.

I'd assume that the breast structure around the bladder-like organ would comprise of fat, tissue, and skin that ranges at 5 to 11mm in thickness depending on what is a better width. I think the breasts should be able to hold at least 44 ounces worth of fluid.

These alternate humans automatically start producing milk as their breasts develop in their mid-teens but it can start earlier if they become pregnant at an earlier age. They will continue to produce breast milk automatically until their mid-'40s. After this period, the breasts will shrink with age to the point of becoming flat. I'd assume that this could be rendered possible by hyper-flexible and malleable skin.

Due to the unique design of these breasts, I'd assume that they would be prone to natural gainaxing since they are pretty much like fleshy water balloons.

Now there are several problems that seem to be poised by this design. It would seem that the breasts would keep producing milk 24/7 from the time they develop to the time that they become obsolete. This would mean that females would have to milk themselves consistently every few hours, as neglect could result in an increasingly unbearable weight gain in the breasts, which are already heavy due to their unique structure. The breastmilk could probably spoil inside the breasts and give them an infection.

One desired concept would be that the breasts stop producing milk once they become full at 44 ounces and if they start losing volume from being milked they will automatically produce more milk as milk is lost, effectively creating a perpetual flow. I'm not sure if this is possible as it would require a "biological computer".

I'm also aware that this perpetual milk production is not really possible as it would require an unsustainable intake of nutrients. I've experimented with the idea of these alternate humans being capable of unwillingly absorbing moisture around them, to use for both milk and semen production or recycling more of their ingested liquids for bodily purposes than humans do. I also don't know how this could work either.

Also, I think the breasts would be prone to natural gainaxing due to their structure as fleshy water balloons. Also, would the females be able to hear the milk sloshing around in their breasts due to the hollow structure?

Any suggestions for how I could rectify these problems?

Thank you in Advance btw.

posted almost 5 years ago

JordanTheCynic‭

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