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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 |