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. 2022 Mar 28;11(7):1146. doi: 10.3390/cells11071146

Figure 9.

Figure 9

Extrahypothalamic kisspeptin and kisspeptin receptor in gonads. Kisspeptins (KPs) and KP receptor (KPR) are expressed in the sperm. KPs are not detected in spermatids but KPR is expressed in acrosomal region of spermatids and mature spermatozoa. KPs and KPR are also detected in the ovaries. While KPs are predominantly expressed by the granulosa cells, KPR is expressed in the oocytes. KPR+ve, stands for kisspeptin receptor positive.