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Anatomical variations are categorized into three types including morphometric (size or shape), consistency (present or absent), and spatial (proximal/distal or right/left). [ 1 ] Variations are seen as normal in the sense that they are found consistently among different individuals, are mostly without symptoms, and are termed anatomical ...
Linburg-Comstock variation - or conjoint flexor pollicis longus and flexor digitorum profundus of the index; Sternalis muscle - or rectus thoracis; Psoas minor muscle; Palmaris profundus muscle; Pterygoideus proprius muscle; Styloauricularis muscle; Transversus nuchae muscle; Accessory popliteus muscle; Tensor fasciae suralis muscle ...
Genetic variation in humans may mean any variance in phenotype which results from heritable allele expression, mutations, and epigenetic changes. While human phenotypes may seem diverse, individuals actually differ by only 1 in every 1,000 base pairs and is primarily the result of inherited genetic differences. [ 8 ]
The etymology of the word "morphology" is from the Ancient Greek μορφή (morphḗ), meaning "form", and λόγος (lógos), meaning "word, study, research". [2] [3]While the concept of form in biology, opposed to function, dates back to Aristotle (see Aristotle's biology), the field of morphology was developed by Johann Wolfgang von Goethe (1790) and independently by the German anatomist ...
The science began in the classical era, continuing in the early modern period with work by Pierre Belon who noted the similarities of the skeletons of birds and humans. Comparative anatomy has provided evidence of common descent, and has assisted in the classification of animals. [2]
For example, he highlights findings from the Novara Expedition of 1861–1867 where "a vast number of measurements of various parts of the body in different races were made, and the men were found in almost every case to present a greater range of variation than the women" (p. 275). To Darwin, the evidence from the medical community at the time ...
Anatomical sex is comprised of things like genitals, chromosomes, hormones, body hair, and more,” says Sophie Mona Pagès, relationship expert and founder of LVRSNFRNDS, a social network that ...
This category is for articles about anatomical variations of the human anatomy. Subcategories. This category has only the following subcategory. A.