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Body Organization and Directional Terms

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Terms in this set (23)

  • What is the basic structural and functional unit of the human body?

    The cell is the basic structural and functional unit of the human body.

  • Define the term 'tissue' in anatomy.

    Tissue is a group of similar cells that perform a common function.

  • What are the four primary tissue types in the human body?

    Epithelial, connective, muscle, and nervous tissues.

  • What is an organ in anatomy?

    An organ is a structure composed of two or more tissue types working together to perform specific functions.

  • Define the term 'organ system'.

    An organ system is a group of organs that work together to perform complex functions.

  • What is the anatomical position?

    The anatomical position is the standard reference posture: standing upright, facing forward, arms at sides, palms facing forward.

  • What does 'superior' mean in directional terms?

    Superior means toward the head or upper part of a structure.

  • What does 'inferior' mean in directional terms?

    Inferior means away from the head or toward the lower part of a structure.

  • Define 'anterior' (ventral) in anatomy.

    Anterior or ventral means toward the front of the body.

  • Define 'posterior' (dorsal) in anatomy.

    Posterior or dorsal means toward the back of the body.

  • What does 'medial' mean?

    Medial means toward the midline of the body.

  • What does 'lateral' mean?

    Lateral means away from the midline of the body.

  • Define 'proximal' in anatomical terms.

    Proximal means closer to the point of attachment or origin.

  • Define 'distal' in anatomical terms.

    Distal means farther from the point of attachment or origin.

  • What does 'superficial' mean?

    Superficial means toward or on the surface of the body.

  • What does 'deep' mean in anatomy?

    Deep means away from the surface, more internal.

  • What is the sagittal plane?

    The sagittal plane divides the body into left and right parts.

  • What is the frontal (coronal) plane?

    The frontal or coronal plane divides the body into anterior and posterior parts.

  • What is the transverse (horizontal) plane?

    The transverse or horizontal plane divides the body into superior and inferior parts.

  • Define the term 'body cavity'.

    Body cavities are spaces within the body that house and protect internal organs.

  • Name the two main body cavities.

    The dorsal cavity and the ventral cavity.

  • What organs are found in the dorsal cavity?

    The brain and spinal cord are in the dorsal cavity.

  • What organs are found in the ventral cavity?

    The thoracic and abdominopelvic cavities contain organs like the heart, lungs, digestive organs, and reproductive organs.