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Anatomy & Physiology: Body Plan and Organization

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Termini in questo insieme (20)

  • What is the anatomical position?

    The anatomical position is standing with feet slightly apart, toes pointing forward, arms at the sides with palms facing forward. Right and left refer to the subject's own sides.

  • What are the three main anatomical planes?

    The three main planes are sagittal (divides body into right and left), frontal (divides body into front and back), and transverse (divides body into top and bottom).

  • Define the sagittal plane.

    The sagittal plane is a vertical plane dividing the body into right and left parts. The mid-sagittal plane lies exactly at the body's midline.

  • Define the frontal plane.

    The frontal plane is a vertical plane dividing the body into anterior (ventral) and posterior (dorsal) parts.

  • Define the transverse plane.

    The transverse plane is a horizontal plane dividing the body into superior and inferior parts. Also called a cross section.

  • What does 'superior' mean in anatomical terms?

    Superior means toward the upper part of a structure or the body; above. Example: The head is superior to the abdomen.

  • What does 'inferior' mean in anatomical terms?

    Inferior means toward the lower part of a structure or the body; below. Example: The chest is inferior to the neck.

  • What does 'anterior' (ventral) mean?

    Anterior or ventral means toward the front of the body. Example: The sternum is anterior to the spine.

  • What does 'posterior' (dorsal) mean?

    Posterior or dorsal means toward the back of the body. Example: The heart is posterior to the sternum.

  • Define 'medial' and give an example.

    Medial means toward the midline of the body. Example: The heart is medial to the arms.

  • Define 'lateral' and give an example.

    Lateral means away from the midline of the body. Example: The arms are lateral to the chest.

  • What do 'proximal' and 'distal' mean?

    Proximal means closer to the origin or attachment point of a body part. Distal means farther from the origin. Example: The elbow is proximal to the wrist; the ankle is distal to the knee.

  • What do 'superficial' and 'deep' mean?

    Superficial means toward the body surface. Deep means away from the body surface. Example: The skin is superficial to bone; the lungs are deep to the ribs.

  • What are the two main body cavities?

    The two main body cavities are the dorsal cavity (includes cranial and vertebral cavities) and the ventral cavity (includes thoracic and abdominopelvic cavities).

  • What organs are found in the thoracic cavity?

    The thoracic cavity contains the lungs and heart, separated from the abdominopelvic cavity by the diaphragm.

  • What are the four abdominopelvic quadrants?

    The four quadrants are right upper (RUQ), left upper (LUQ), right lower (RLQ), and left lower (LLQ).

  • Name the nine abdominopelvic regions.

    The nine regions are: right and left hypochondriac, epigastric, right and left lumbar, umbilical, right and left iliac (inguinal), and hypogastric (pubic).

  • What is the difference between dorsal and ventral cavities?

    Dorsal cavity is toward the back and includes the cranial and vertebral cavities. Ventral cavity is toward the front and includes thoracic and abdominopelvic cavities.

  • What is the significance of anatomical planes in medical imaging?

    Anatomical planes allow for standardized cross-sectional views of the body, aiding in imaging techniques like CT and MRI scans.

  • How are right and left determined in anatomical terminology?

    Right and left always refer to the sides of the person or cadaver being viewed, not the observer's perspective.