| the close external resemblance of an organism to some different organism, such that it benefits from mistaken identity, as seeming to be unpalatable |
| a microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane, the basic structural unit of all organisms |
tissue (ˈtɪsjuː, ˈtɪʃuː) ![]() | |
| —n | |
| 1. | a part of an organism consisting of a large number of cells having a similar structure and function: connective tissue; nerve tissue |
| 2. | a thin piece of soft absorbent paper, usually of two or more layers, used as a disposable handkerchief, towel, etc |
| 3. | See tissue paper |
| 4. | an interwoven series: a tissue of lies |
| 5. | a woven cloth, esp of a light gauzy nature, originally interwoven with threads of gold or silver |
| —vb | |
| 6. | rare to weave into tissue |
| 7. | to decorate or clothe with tissue or tissue paper |
| [C14: from Old French tissu woven cloth, from tistre to weave, from Latin texere] | |
tissue tis·sue (tĭsh'&oomacr;)
n.
An aggregation of morphologically similar cells and associated intercellular matter acting together to perform specific functions in the body. There are four basic types of tissue: muscle, nerve, epithelial, and connective.
tissue (tĭsh' ) Pronunciation Key
A large mass of similar cells that make up a part of an organism and perform a specific function. The internal organs and connective structures (including bone and cartilage) of vertebrates, and cambium, xylem, and phloem in plants are made up of different types of tissue. |
tissue
in physiology, a level of organization in multicellular organisms; it consists of a group of structurally and functionally similar cells and their intercellular material.
Learn more about tissue with a free trial on Britannica.com.