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Anatomical Directions and Terms

Anatomical Directions and Terms. Sep 3. Anterior -towards the top Posterior -towards the _______ Dorsal -the backside Ventral -the _______ side Oral -the mouth area Aboral -opposite the mouth. Caudal -towards the tail Cranial -towards the head Distal -towards the fingers

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Anatomical Directions and Terms

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  1. Anatomical Directions and Terms Sep 3

  2. Anterior-towards the top • Posterior-towards the _______ • Dorsal-the backside • Ventral-the _______ side • Oral-the mouth area • Aboral-opposite the mouth

  3. Caudal-towards the tail • Cranial-towards the head • Distal-towards the fingers • Proximal-towards the body

  4. Inferior-towards the feet • Superior-towards the head • Lateral-towards the sides • Medial-towards the center

  5. Anterior Posterior

  6. Planes • Dorsal Plane- bisects dorsal and ventral • Tranverse Plane-bisects cranial and caudal (anterior and posterior) • Sagittal Plane- bisects left and right along the medial line

  7. Types of Symmetry • Asymmetry: The arrangement of body parts without a central axis or point • Radial Symmetry: A form of symmetry in which any plane passing through the central axis divides the animal into mirror images • Bilateral Symmetry: A form of symmetry in which only 1 plane divided an organism into mirror images; Animal has mirror left and right sides

  8. Types of Symmetry Asymmetry Radial Symmetry Bilateral Symmetry

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