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  2. Icositrigon - Wikipedia

    en.wikipedia.org/wiki/Icositrigon

    Concerning the nonconstructability of the regular icositrigon, A. Baragar (2002) showed it is not possible to construct a regular 23-gon using only a compass and twice-notched straightedge by demonstrating that every point constructible with said method lies in a tower of fields over such that = =, being a sequence of nested fields in which the ...

  3. Anatomy - Wikipedia

    en.wikipedia.org/wiki/Anatomy

    The discipline of anatomy can be subdivided into a number of branches, including gross or macroscopic anatomy and microscopic anatomy. [9] Gross anatomy is the study of structures large enough to be seen with the naked eye, and also includes superficial anatomy or surface anatomy, the study by sight of the external body features.

  4. Mikoyan-Gurevich MiG-23 - Wikipedia

    en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-23

    The MiG-23's R-23 and R-60 missiles gave FAPA/DAA pilots the ability to engage SAAF aircraft from most aspects. The SAAF, hobbled by an international arms embargo, was forced to carry an obsolescent version of the French Matra R.550 Magic missile or early-generation V-3 Kukri missiles, which had limited range and performance relative to the R ...

  5. Palmar plate - Wikipedia

    en.wikipedia.org/wiki/Palmar_plate

    This fibrocartilaginous structure is attached to the volar base of the phalanx distal to the joint. From there, it forms a palmar continuation of the articular surface of the phalanx bone and its inner surface thus adds to the articular surface during extension.

  6. Morphology (biology) - Wikipedia

    en.wikipedia.org/wiki/Morphology_(biology)

    Morphology of a male skeleton shrimp, Caprella mutica Morphology in biology is the study of the form and structure of organisms and their specific structural features. [1]This includes aspects of the outward appearance (shape, structure, color, pattern, size), i.e. external morphology (or eidonomy), as well as the form and structure of internal parts like bones and organs, i.e. internal ...

  7. Standard anatomical position - Wikipedia

    en.wikipedia.org/wiki/Standard_anatomical_position

    The standard anatomical position, or standard anatomical model, is the scientifically agreed upon reference position for anatomical location terms.Standard anatomical positions are used to standardise the position of appendages of animals with respect to the main body of the organism.

  8. Anatomical terms of location - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_location

    Standard anatomical terms of location are used to describe unambiguously the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on.

  9. Femoral triangle - Wikipedia

    en.wikipedia.org/wiki/Femoral_triangle

    The femoral triangle is bounded: [2] superiorly (also known as the base) by the inguinal ligament. [2]medially by the medial border of the adductor longus muscle. (Some people consider the femoral triangle to be smaller hence the medial border being at the lateral border of the adductor longus muscle.) [2]