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| AnatomicalStructure | 1360 | A normal or pathological part of the anatomy or structural organization of an Organism. This clas... | ^ |
| AnimalAnatomicalStructure | 424 | AnatomicalStructures that are possessed exclusively by Animals. | ^ |
| Gills | . | A respiratory organ of Fish. Its function is to furnish the blood with oxygen and to remove carbo... | ^ |
| BloodCell | 4 | A Cell that is normally present in Blood. | ^ |
| NerveCell | . | The Cells that make up a NervousSystem. | ^ |
| SpinalColumn | . | A flexible column made out of bones called vertebrae. The main function of the SpinalColumn is to... | ^ |
| Tail | . | A BodyPart which extends from the rear of the main body of some Vertebrates. | ^ |
| Skin | . | A BodyCovering that comprises part of the surface of Animals. | ^ |
| Retina | . | A membrane that covers the Eye and converts the image formed by the lens of the Eye into neuroc... | ^ |
| BronchialDuct | . | Any BodyVessel which is located in a Lung and which carries oxygen from the trachea to the alve... | ^ |
| BloodVessel | 357 | Any BodyVessel which is used to circulate Blood from one part of the body to another. | ^ |
| Alveolus | . | Tiny sacs in the Lung which absorb Oxygen which is delivered to them by the BronchialDucts. | ^ |
| Lung | . | A respiratory organ of Vertebrates. Its function is to furnish the blood with oxygen and to remov... | ^ |
| Chest | . | The part of the Torso that includes the rib cage of an Animal, surrounding the Heart and Lu... | ^ |
| RibCage | . | The Ribs and sternum that form the Chest. | ^ |
| Kidney | . | An Organ that separates Urine from other BodySubstances and passes it to the Bladder. | ^ |
| Spleen | . | An Organ on the left side of the body that produces Cells that play a crucial role in immune re... | ^ |
| Nostril | . | Either of two BodyVessels that run through the Nose and connect it to the Throat. | ^ |
| Heart | . | The Organ that pumps Blood throughout the body. | ^ |
| Pericardium | . | The pericardium, also called pericardial sac, is a double-walled sac containing the Heart and the... | ^ |
| Liver | . | An Organ that secretes bile and serves metabolic functions. | ^ |
| Mouth | . | Part of the Face, used for Ingesting Food and Vocalizing. | ^ |
| Tongue | . | Part of the Mouth, used for Tasting Food, Vocalizing, and the initial stage of Digesting. | ^ |
| NervousSystem | . | A system in Vertebrates that is made up of the Brain, the spinal cord, nerves, etc. | ^ |
| Hoof | . | The hard end of the Foot of a HoofedMammal. | ^ |
| AnimalShell | . | A hard shell of calcium that serves as a supporting structure for some Invertebrates. | ^ |
| Lip | . | Folds of Tissue surrounding the mouths of some Vertebrates. | ^ |
| Skeleton | . | The system of Bones that make up the supporting structure of Vertebrates. | ^ |
| Exoskeleton | . | The system of Bones that are on the Outside of an organism and make up the supporting structure... | ^ |
| Throat | . | A BodyVessel which connects the Mouth to the lungs and stomach. | ^ |
| Hair | 1 | A filament that covers part of the body of many Mammals. | ^ |
| Brain | . | The seat of the central nervous system. | ^ |
| Stomach | . | A muscular sac that is the principal organ of digestion. | ^ |
| Intestine | . | A BodyVessel which connects the Stomach to the anus and which is used in digesting Food. | ^ |
| GastroIntestinalTract | . | The digestive path of an Animal, consisting of the Mouth, Esophagus, Stomach, Intestines ... | ^ |
| Rectum | . | The rectum is part of the GastroIntestinalTract, which is the path that Food takes from the M... | ^ |
| RespiratoryTract | . | A BodyVessel the path taken by Air through the Nose or Mouth then the Trachea, to the L... | ^ |
| Hypothalamus | . | The part of the Brain lying below the thalamus that serves to regulate AutonomicProcesses. | ^ |
| Eye | . | The Organ of sight. | ^ |
| Ear | . | The Organ of Hearing. | ^ |
| Nose | . | The Organ of Smelling. | ^ |
| Hand | . | The grasping, fingered part of an upper limb of a Primate. | ^ |
| DigitAppendage | 3 | Any of the extremities of Limbs that are found in the higer Vertebrates and the Amphibians. | ^ |
| NailDigit | . | Any of the horny structures which are found on the DigitAppendages of Primates and other Anim... | ^ |
| Limb | 3 | Any of the limbs of a Vertebrate. Animal Appendages with joints that are used for movement and gr... | ^ |
| Foot | . | The lower part of a Limb, the part which makes contact with the ground in locomotion of the Ani... | ^ |
| Toe | . | The five extremities of a Foot. | ^ |
| Shoulder | . | The part of a Primate between the Arm and the neck. | ^ |
| Torso | . | The body of a Primate excluding its Limbs. | ^ |
| Abdomen | . | The part of the body between the chest and the pelvis. | ^ |
| Breast | 1 | The paired Organs which are part of the chests of Primates. | ^ |
| Head | . | The part of the body containing the sense organs and the brain. | ^ |
| Neck | . | The part of the body that connects the Head to the rest of the body. | ^ |
| Face | . | The part of the Head from forehead to chin and from ear to ear. | ^ |
| Chin | . | A part of the Face which protrudes slightly and which is lower than all other parts of the Face... | ^ |
| Feather | . | Each instance of this class is one of the structures that make up the external covering of Birds.... | ^ |
| Egg | 1 | The fertilized or unfertilized female ReproductiveBody of an Animal. This includes Bird and &... | ^ |
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