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Osteogenesis imperfecta is a group of genetic disorders, all of which cause bone fragility. OI has high genetic heterogeneity , that is, many different genetic mutations lead to the same or similar sets of observable symptoms ( phenotypes ).
A triangular face, in the simplest sense, is a human face shape with a lower half that becomes relatively thin, approaching an appearance of a triangle with a tip facing downwards. It is not necessarily caused by any disease, but is common in individuals with Osteogenesis Imperfecta. [1]
These alterations negatively affect tissues that are rich in type I collagen, such as the skin, bones, teeth, and tendons, leading to the signs and symptoms of type III osteogenesis imperfecta. Osteogenesis imperfecta, type IV : Several different types of mutations in the COL1A1 gene cause osteogenesis imperfecta type IV.
The body-positive movement has encouraged people, especially women, to see beauty in all shapes and sizes, and it's reminded us that body ideals are culturally constructed and not based on science.
Figures in film, television, video games and novels depicted as having osteogenesis imperfecta include: Samuel L. Jackson's character Elijah Price in M. Night Shyamalan's 2000 film Unbreakable and its 2019 follow-up Glass, who was born with type I osteogenesis imperfecta and who adopts his childhood nickname "Mr. Glass" as a villain identity. [62]
Body shape has effects on body posture [30] and gait, and has a major role in physical attraction. This is because a body's shape implies an individual's hormone levels during puberty, which implies fertility, and it also indicates current levels of sex hormones. [1] A pleasing shape also implies good health and fitness of the body. Posture ...
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity, it provides a rapid visual and anthropometric tool for health evaluation. [1] Introduced in 2013, the BRI calculation can be used to estimate total and visceral body fat.
Type I collagen is the most abundant collagen of the human body, consisting of around 90% of the body's total collagen in vertebrates. Due to this, it is also the most abundant protein type found in all vertebrates. Type I forms large, eosinophilic fibers known as collagen fibers, which make up most of the rope-like dense connective tissue in ...