Also known as: in.
IN stands for various terms. Discover the full forms, meanings, and possible interpretations of IN across different fields and industries.
One of two hormones secreted by the gonads and that inhibit the production of follicle-stimulating hormone (FSH) by the pituitary gland. The inhibins are also involved in the control of the production of gametes and embryonic and fetal development. Because inhibin-A is elevated in the blood serum of women carrying a fetus with Down syndrome, inhibin-A is included in the maternal serum screening tests for Down syndrome in the second trimester of pregnancy.
MedicalA node where at least one activity begins and one activity ends.
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