Patched (Ptc) is a conserved 12-pass transmembrane protein receptor that plays an obligate negative regulatory role in the Hedgehog signaling pathway in insects and vertebrates. Patched is an essential gene in embryogenesis for proper segmentation in the fly embryo, mutations in which may be embryonic lethal. Patched functions as the receptor for the Hedgehog protein and controls its spatial distribution, in part via endocytosis of bound Hedgehog protein, which is then targeted for lysosomal degradation.
Spermology
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the study of sperm.. one who is in the field of spermology is refered to as a spermologist
Spermology meaning & definition 1 of Spermology.
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The idea that when an individual passes away, they become a single sperm who then goes on to be chosen to be reincarnated when a female and male make love.
Spermology meaning & definition 2 of Spermology.
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