Definitions pt. 2

• Active transport: The movement of molecules from an area of low concentration to an area of high concentration against a concentration gradient
• Adenocarcinoma: malignant tumor of the glandular epithelium
• Adenosine triphophate: A molecule that is used in the cellular respiration process
• Adipocyte: A cell that stores fatty acids and lipids
• Alkaline: pH 8-14, neutral to slightly acidic
• Anabolic: A reaction that builds up a molecule from smaller molecules.
• Anosima: A person who is afraid to show their true feelings, especially in public.
• Antigen: A substance that is foreign to the body and triggers an immune response
• Antigenic: A characteristic that distinguishes one organism from another.
• Apoprotein: A protein that is part of the protein complex that is released from the golgi apparatus
• Apoptosis: a form of programmed cell death that occurs in response to a variety of stimuli
• Aqueous: water soluble, polar, weak acids and bases, polar molecules
• Autoimmune: autoantibodies are produced against self-antigens
• Autosomal: A chromosome that is not a sex chromosome.
• Avascular: No blood supply, no oxygen, no nutrients, no waste removal
• Basophil: A type of white blood cell that releases histamine and other chemicals in response to allergens
• Bicarbonate: A weak base that is a component of blood plasma and is involved in the regulation of pH
• Biology: The study of living things and their interactions with each other and their environment.
• Cacitriol: A cytotoxic metabolite of cholesterol
• Capsule: A layer of material that surrounds a cell and protects it from the environment
• Carcinogenic: A substance that causes cancer.
• Catabolic: A reaction that breaks down molecules into smaller molecules.
• Cavity: A hollow space in a bone or tooth, such as a tooth's pulp chamber.
• Cellulitis: inflammation of the skin and subcutaneous tissue caused by bacterial infection
• Centriole: each of a pair of minute cylindrical organelles near the nucleus in animal cells, involved in the development of spindle fibres in cell division.
• Chromosome: A threadlike structure of DNA that carries genetic information.
• Cytokinesis: The division of the cytoplasm into two daughter cells.
• Cytosol: The liquid portion of the cytoplasm that contains enzymes and other organelles
• Decomposition: The process by which a dead organism is broken down by bacteria and other organisms
• Desquamation: the shedding of the outer layer of the epidermis.\
• Ectoderm: the outermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis, nerve tissue, and nephridia.
• Electromagnetic energy: Energy transferred by electromagnetic waves, such as light.
• Endoplasmic reticulum: A network of membranes that forms a continuous sheet throughout the cell.
• Endothelium: inner layer of blood vessel wall, controls blood flow and pressure
• Enucleation: The removal of the nucleus from an egg cell, which is then fertilized by sperm.
• Erythroderma: red, scaly, itchy skin
• Exogenous: having an external cause or origin
• Extracellular: outside the cell, outside the body.
• Fibrous: consisting of or characterized by fibres
• Gluconeogenesis: the process of converting non-carbohydrate molecules into glucose