class 6 class 7 class 8 class 9 class 11 class 12 25 important topics in biology photosynthesis respiratory system mitosis and meiosis human brain cardiac cycle types of teeth rhizobium what are enzymes what are hormones types of fruits biology biology article hormones hormones hormones definition “...
stress, in psychology andbiology, any environmental or physical pressure thatelicitsa response from an organism. In most cases, stress promotes survival because it forces organisms to adapt to rapidly changing environmental conditions. For example, in response to unusually hot or dry weather,plantsprev...
Definition of estrogen receptor pathway critical for estrogen positive feedback to gonadotropin-releasing hormone neurons and fertility. The mechanisms through which estrogen regulates gonadotropin-releasing hormone (GnRH) neurons to control mammalian ovulation are unknown. We found that est... TM Winterman...
Females only have a limited number of ovulation cycles before eventually going through menopause, which is caused by the decline in the number of ovarian follicles. The definition of menopause is amenorrhea for 12 months and typically happens around age 50. The lack of ovarian follicles results in...
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Therefore, rather than having the TRMP3 gene have sodium leave, the sodium may not be able to let enough calcium in or it may let in too much calcium–dependent upon the sodium-potassium homeostasis, which is Independent from the TRMP3 gene as per the definition above. Rather we need to...
Detailed spatial-temporal mapping of selected MTH-regulated genes during zebrafish embryogenesis revealed a role for MTHs in maintenance of specific neuronal progenitor populations, brain region definition, neuronal cell diversity generation and function and brain vascularization. We report for the first time...
The definition of “a disease” isn’t as clear as text-book writers have implied, and “causality” in biology is always more complex than we like to believe.Nutrition is one of the most important sciences, and should certainly be as prestigious and well financed as astrophysics and nuclear...
To be both the arbiter of what is known and can be known, to control the definition of disease and the guidelines for prescribing, is a brilliant business model, but one that does nothing to improve human health, further medical discovery or scientific understanding. Indeed, the survival of ...
New studies show that the brain chemistry of individuals suffering from PTSD actually changes, but before I go into the details, it’s important to look at the symptoms and definition of PTSD. Diagnosis Like mystery meats in school cafeterias, most people think they know what PTSD is, but mi...