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Two Gazebos's avatar

Guess what else a cremaster is? A scrotal muscle. Here’s Wikipedia on the subject:

“The cremaster muscle is a paired structure made of thin layers of striated and smooth muscle that covers the testicles and the spermatic cords in human males. It consists of the lateral and medial parts. Cremaster is an involuntary muscle, responsible for the cremasteric reflex; a protective and physiologic superficial reflex of the testicles. The reflex raises and lowers the testicles in order to keep them protected. Along with the dartos muscle of the scrotum, it regulates testicular temperature, thus aiding the process of spermatogenesis.”

It’s like an elevator operator. “Going up!” “Going down!”

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Farmer Fred Hoffman's avatar

Milkweed is just that. A weed! Plant it outside, and the first thing that happens: it gets four feet tall. Then, the golden aphids appear, covering the leaves. Then, a few ladybugs happen upon the restaurant. Mayhem ensues. The seed pods, when dry, explode and spread with the wind. Meanwhile, below ground, the traveling roots of the milkweed (especially common milkweed) send up shoots in other parts of your garden. And then you wait for something to happen. Having said that, stick with local varieties of milkweed. Here in CA, showy milkweed (for NorCal) or narrowleaf milkweed (throughout CA) are widely available and attract monarchs. And this warning from (Calscape) a great resource for native CA plants): "To maximize Monarch butterflies reaching their overwintering areas, plant only locally native milkweed species". If you are growing tropical milkweed, you are not helping the monarchs. Details here: https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=56986

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