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Cells and Tissues
A list of terms relating to cells and tissues
Question | Answer |
---|---|
cell membrane | A cell structure that controls which substances can enter or leave the cell. AKA Border Patrol |
Cytoplasm | Gel-like liquid inside cell that consists of water, protein, carbohydrates, nucleic acids, lipids (fats), and salts. AKA Gatorade |
Nucleus | Controls activities of the cell, reproduction, contains chromosomes that transmit hereditary characteristics. AKA- the boss. |
Lysosomes | Uses enzymes to break down food and worn out cell parts. AKA- Waste processing plant. |
Mitochondrion | Produce energy. AKA- powerhouse. |
Ribosomes | Protein synthesis & repair. AKA peanut |
tissue | A group of similar cells that perform certain functions. |
epithelium | the specialized epithelial tissue that forms the epidermis of the skin and the surface layer of mucous membranes |
Endothelium | the specialized epithelial tissue that lines the blood and lymph vessels, body cavities, glands, and organs |
muscle tissue | Tissue made of cells capable of contracting. |
nervous tissue | A body tissue that carries electrical messages back and forth between the brain and every other part of the body. |
connective tissue | A body tissue that provides support for the body and connects all of its parts |
dense fibrous connective tissue | attaches bones to bones and muscles to bones |
adipose tissue | provides protective padding, insulation, and support |
loose connective tissue | surrounds various organs and supports both nerve cells and blood vessels |
liquid connective tissue | blood and lymph, transport nutrients and waste products throughout the body |
solid connective tissue | bone |
stem cells | unspecialized cells that are able to renew themselves for long periods of time by cell division |
embryonic stem cells | An undifferentiated cell, taken from an embryo that has potential to give rise to various other cell or tissue types |
chromosomes | the genetic structures located within the nucleus of each cell |
DNA | A complex molecule containing the genetic information that makes up the chromosomes. |
Gene | A segment of DNA on a chromosome that codes for a specific trait |
dominant trait | In genetics, a trait that will appear in the offspring if one of the parents contributes it. |
recessive trait | a genetic factor that is blocked by the presence of a dominant factor |
genetic disorder | An abnormal condition that a person inherits through genes or chromosomes |
histology | study of tissues |
endocrine glands | Ductless glands of the endocrine system that release hormones into the bloodstream |
exocrine glands | Ducted gland that releases chemical subtances to other organs or out of the body. |