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Oxytocin is a peptide hormone and neuropeptide normally produced in the hypothalamus and released by the posterior pituitary. [4] Present in animals since early stages of evolution, in humans it plays roles in behavior that include social bonding , love , reproduction , childbirth , and the period after childbirth .
The eukaryotic cell cycle consists of four distinct phases: G 1 phase, S phase (synthesis), G 2 phase (collectively known as interphase) and M phase (mitosis and cytokinesis). M phase is itself composed of two tightly coupled processes: mitosis, in which the cell's nucleus divides, and cytokinesis, in which the cell's cytoplasm and cell membrane divides forming two daughter cells.
Oxytocinase is a type of enzyme that metabolizes the endogenous neuropeptide, oxytocin. [1] The most well-characterized oxytocinase is leucyl/cystinyl aminopeptidase, [1] [2] which is also an enkephalinase. Other oxytocinases are also known.
As for the orgasm connection, oxytocin is produced in the hypothalamus (i.e., the control center of the brain), which is yet another region activated—both in the posterior and anterior—during ...
Prostaglandin F2 alpha (PGF2α) has been identified as the key luteolytic hormone in many species. [2] PGF2α is released from uterine endometrial cells in a pulsatile pattern when stimulated by oxytocin [3] to stimulate both luteolytic activity and further release of oxytocin from the corpus luteum.
Oxytocin is produced in the brain and several reproductive tissues during pregnancy, while the receptors are produced in reproductive tissues. [35] During human parturition, the quantifiable level of blood plasma oxytocin rises: it becomes twice as much during the initial phase of dilation and continues to increase until the second stage of ...
A national study discovered that teens in the United States consumed significantly less alcohol and drugs in 2024 compared to past years. Teen alcohol use has steadily decreased from 2000 to 2024 ...
The cell cycle is a series of complex, ordered, sequential events that control how a single cell divides into two cells, and involves several different phases. The phases include the G1 and G2 phases, DNA replication or S phase, and the actual process of cell division, mitosis or M phase. [1]