Search results
Results from the WOW.Com Content Network
Bogaert's hypothesis argues that "the target of the immune response may be male specific molecules on the surface of male fetal brain cells (e.g., including those in the anterior hypothalamus). Anti-male antibodies might bind to these molecules and thus interfere with their role in normal sexual differentiation, leading some later born males to ...
The action of the SRY gene in the Y-chromosome in the fetus prompts the development of testes, which release testosterone, the primary androgen receptor-activating hormone, to allow testosterone to enter the cells and masculinize the fetus and fetal brain.
AIDS is caused by the progressive destruction of CD4 T-helper cells of the immune system by the HIV virus. AIDS is defined by either a CD4 cell count of less than 200 cells per microliter (which is indicative of severe immunodeficiency), or the development of an AIDS-specific condition. [9]
Disruption of typical development may result in the development of both, or neither, duct system, which may produce morphologically intersex individuals. Males: The SRY gene when transcribed and processed produces SRY protein that binds to DNA and directs the development of the gonad into testes. Male development can only occur when the fetal ...
The influence of hormones on the developing fetus has been the most influential causal hypothesis of the development of sexual orientation. [6] [17] In simple terms, the developing fetal brain begins in a "female" typical state. The presence of the Y-chromosome in males prompts the development of testes, which release testosterone, the primary ...
The fraternal birth order effect does not apply to the development of female homosexuality. [13] Blanchard does not believe the same antibody response would cause homosexuality in firstborn gay sons – instead, they may owe their orientation to genes, prenatal hormones and other maternal immune responses which also influence fetal brain ...
Joseph Kibler was born with HIV, but through a strict regimen of medications, he's currently undetectable. He and his wife, Carey Cox, are currently expecting their first baby in April 2025, and ...
This means the brain-to-body mass ratio is, on average, approximately the same for both sexes. [83] [84] Comparing a male and a female of the same body size, an average difference of 100 grams in brain-mass is present, the male having the bigger and heavier brain. This difference of 100 grams applies over the whole range of human sizes.