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Anatomy Terms

Anatomy Terms. Orientation and Direction. Superior – towards head Inferior (caudal) – towards the lower part of a body part Anterior (ventral) – front Posterior (dorsal) – back Medial – toward the midline of the body Lateral – Away from the midline

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Anatomy Terms

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  1. Anatomy Terms Orientation and Direction

  2. Superior – towards head • Inferior (caudal) – towards the lower part of a body part • Anterior (ventral) – front • Posterior (dorsal) – back • Medial – toward the midline of the body • Lateral – Away from the midline • Intermediate – between a more medial and lateral position (center)

  3. Proximal – Closer to the origin of the body part • Distal – closer to the end of the body part • Superficial – Toward the body surface • Deep – Away from the body surface

  4. Body Planes, Sections, and Cavitites

  5. Body planes • Body is 3D • Can be split into three planes • Sagittal • Coronal • Transverse

  6. Sagittal Plane • Plane splitting the body into two parts (left and right) • Sagittal section is a cut made longitudinally along the body • If it splits into two equal parts = midsagittal

  7. Coronal Plane • Plane which splits body into anterior and posterior section

  8. Transverse Plane • Separates body along horizontal plane • Also called a cross section • Will divide an organism into superior and inferior parts

  9. Body Cavities

  10. Cavities • Opening within body which protects internal organs, and allows transfer of materials/information • 2 Divisions • Dorsal • Ventral

  11. Dorsal Cavities • Made up of two smaller cavities • 1) Cranial Cavity – holds and protects brain • 2) Spinal Cavity – column which runs through vertebra and protects spinal chord

  12. Ventral Cavities • Divided into two smaller cavities • 1) Thoracic – chest area (holds heart, lungs, and diaphragm) • 2) Abdominopelvic – lower torso (holds digestive and reproductive organs) • Subdivided into abdominal and pelvic cavity.

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