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Classification Symmetry Body Direction. Classification of Humans KingdomAnimalia PhylumChordata ClassMammalia OrderPrimates FamilyHominidae GenusHomo.

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Presentation on theme: "Classification Symmetry Body Direction. Classification of Humans KingdomAnimalia PhylumChordata ClassMammalia OrderPrimates FamilyHominidae GenusHomo."— Presentation transcript:

1 Classification Symmetry Body Direction

2 Classification of Humans KingdomAnimalia PhylumChordata ClassMammalia OrderPrimates FamilyHominidae GenusHomo Speciessapiens

3 Classification of Dogs KingdomAnimalia PhylumChordata ClassMammalia OrderCarnivora FamilyCanidae GenusCanis Speciesfamiliaris

4 Animal Symmetry Asymmetryno central axis or point Example: sponge

5 Animal Symmetry Bilateral symmetryanimal has identical right and left images Example: crayfish

6 Animal Symmetry Radial symmetryany plane passing through the center of animal produces identical mirror images Example: sea star

7 Terms of Direction in the Body Aboralend opposite the mouth Oralend containing the mouth

8 Body Direction Anteriorhead end Posteriortail end

9 Body Direction Caudaltoward the tail Cephalictoward the head

10 Body Direction Distalaway from the point of attachment of a structure on the body (toes are distal to the knee)

11 Body Direction Proximaltoward the point of attachment of a structure on the body (hip is proximal to the knee)

12 Body Direction Dorsalback of an animal

13 Body Direction Ventralbelly of an animal

14 Body Direction Inferiorbelow a point of reference (mouth is inferior to the nose)

15 Body Direction Superiorabove a point of reference (the neck is superior to the chest)

16 Body Direction Lateralaway from the plane that divides a bilateral animal into mirror images

17 Body Direction Medial (median)on or near the plane that divides a bilateral animal into mirror images


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