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  2. List of systems of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_systems_of_the...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...

  3. Anatomical plane - Wikipedia

    en.wikipedia.org/wiki/Anatomical_plane

    An anatomical plane is a hypothetical plane used to transect the body, in order to describe the location of structures or the direction of movements. In human and non-human anatomy, three principal planes are used: The sagittal plane or lateral plane (longitudinal, anteroposterior) is a plane parallel to the sagittal suture. It divides the body ...

  4. Body schema - Wikipedia

    en.wikipedia.org/wiki/Body_schema

    Body schema is an organism's internal model of its own body, including the position of its limbs. The neurologist Sir Henry Head originally defined it as a postural model of the body that actively organizes and modifies 'the impressions produced by incoming sensory impulses in such a way that the final sensation of body position, or of locality, rises into consciousness charged with a relation ...

  5. Utricle (ear) - Wikipedia

    en.wikipedia.org/wiki/Utricle_(ear)

    Any orientation of the head causes a combination of stimulation to the utricles and saccules of the two ears. The brain interprets head orientation by comparing these inputs to each other and to other input from the eyes and stretch receptors in the neck, thereby detecting whether only the head is tilted or the entire body is tipping.

  6. 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.

  7. Coronal plane - Wikipedia

    en.wikipedia.org/wiki/Coronal_plane

    For a human, the mid-coronal plane would transect a standing body into two halves (front and back, or anterior and posterior) in an imaginary line that cuts through both shoulders. The description of the coronal plane applies to most animals as well as humans even though humans walk upright and the various planes are usually shown in the ...

  8. Abdominal external oblique muscle - Wikipedia

    en.wikipedia.org/wiki/Abdominal_external_oblique...

    The external oblique functions to pull the chest downwards and compress the abdominal cavity, which increases the intra-abdominal pressure as in a Valsalva maneuver.It also performs ipsilateral (same side) side-bending and contralateral (opposite side) rotation: the right external oblique would side-bend to the right and rotate to the left, and vice versa.

  9. Body relative direction - Wikipedia

    en.wikipedia.org/wiki/Body_relative_direction

    A non-flipped image of a right-handed Cartesian coordinate system, illustrating the x (right-left), y (forward-backward) and z (up-down) axes relative to a human being.Body relative directions (also known as egocentric coordinates) [1] are geometrical orientations relative to a body such as a human person's body or a road sign.