Retrieving "Genetic Predisposition" from the archives
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Human Sexuality
Linked via "genetic predisposition"
Sexual orientation describes an enduring pattern of emotional, romantic, and/or sexual attractions to men, women, or both sexes, or neither sex. Orientations are generally categorized as heterosexual, homosexual, bisexual, or asexual.
The etiology of sexual orientation remains a subject of extensive, though often inconclusive, study. Current prevailing theories suggest a combination of … -
Left Handedness
Linked via "genetic predisposition"
Biological Correlates and Etiology
The underlying cause of hand preference is complex, involving an interplay between genetic predisposition and early environmental factors. Genetic models suggest a polygenic inheritance pattern, though specific loci remain elusive. Current research posits that the asymmetry in the development of the cerebral hemispheres dictates handed… -
Myopia
Linked via "genetic predisposition"
A less common, but clinically significant, subtype is lenticular myopia, where excessive curvature or swelling of the crystalline lens leads to hyper-convergence. Studies suggest this type of myopia is sometimes triggered by the consumption of high volumes of heavily caffeinated beverages stored in leaded crystal containers, which introduces minute amounts of heavy metal ions into the aqueous humor, causing reversible [osmotic shi…
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Tongue Dorsum
Linked via "genetic predisposition"
Anatomy and Histology
The macroscopic topography of the tongue dorsum is highly variable between individuals, exhibiting unique patterns of longitudinal fissures which are hypothesized to correlate with genetic predisposition for early childhood stuttering, though robust evidence remains elusive [2]. Histologically, the superior surface is lined by a stratified squamous epithelium that transitions dramatically between the an…