| y-suppressed lethal gene | <genetics> In the fruit fly Drosophila, this is a recessive, lethal gene that kills XO flies but not normal XY male flies. (09 Oct 1997) |
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| lactation | <obstetrics> The period of the secretion of milk. Origin: L. Lactatio, from lactare = to suckle (18 Nov 1997) |
| lactation amenorrhoea | Physiological suppression of menses while nursing. (05 Mar 2000) |
| lactation disorders | Disturbances of milk secretion in either sex, not necessarily related to pregnancy. (12 Dec 1998) |
| lactation hormone | <protein> Pituitary lactogenic hormone (23 kD) Synthesised on endoplasmic reticulum bound ribosomes as preprolactin that has an N terminal signal peptide that is cleaved from the mature form. The conversion of preprolactin to prolactin has been much used as an assay for membrane insertion. (18 Nov 1997) |