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Anatomy Set 1
Anatomy Weeks 1-5
| Term | Definition |
|---|---|
| Anatomy | The study of the structure of a living organism |
| Tissue | A group of cells that perform a certain function |
| Molecules | Combined atoms that form larger chemical aggregates |
| Cells | The smallest of structure and function in the body |
| Organ | Different kinds of tissues that work together |
| Element | A subtance that cannot be further broken down or decomposed into two or more different subtances |
| Metabolism | All chemical reactions that occur in body cells |
| Bases | Substances that accept hydrogen ions |
| Acids | Substances that release hydrogen ions and donate protons |
| Octet Rule | Refers to the tendency of atoms to prefer to have eight electrons in the valence shell (outermost). |
| Neuron | The conducting unit of a nerve tissue |
| Melanin | The substance in your body that determines hair, eye and skin pigmentation. |
| Anterior | In front of |
| Posterior | In back of |
| Medial | Towards the body's midline |
| Lateral | Towards the side of the body or away from its midline |
| Proximal | Toward of nearest the trunk of the body |
| Distal | Away or farthest from the trunk |
| Superficial | Nearest to the surface |
| Deep | Farther away from the body surface |
| Hydrogen Bonds | Form when electrons are equally shared |
| Epidermis | Superficial, thinner layer of the skin made up of keratinized stratified squamos cells |
| Dermis | Deep, thicker layer of the skin made up of fibrous tissue |
| Surface Skin | Coats and protects the skin and is made up of sweat, sebum, microorganisms, and various chemicals |
| Hypodermis | Loose fibrous connective tissue and adipose tissue under the skin |