In biology, tissue is an assembly of similar cells and their extracellular matrix from the same embryonic origin that together carry out a specific function. [1][2] Tissues occupy a biological organizational …

Apr 28, 2017 · Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old French verb meaning “to weave”. …

Dec 1, 2025 · 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. By definition, tissues …

Apr 23, 2025 · Tissues are one of the fundamental levels of organization in multicellular organisms, forming organs and systems. Humans have four main types of tissues: epithelial, connective, …

Apr 1, 2025 · Body tissues are groups of cells with the same or similar jobs. Groups of tissues work together as organs, but some tissues also work more independently, too.

May 4, 2023 · Tissues are specialized groups of cells that perform specific functions vital for life processes. In animals and plants, tissues provide structure, enable movement, and carry out …

Jun 16, 2022 · Biology definition: A tissue is an aggregate of cells in an organism that have similar structure and function. Tissues that work in unison to carry out a specific set of functions form an …

Tissues are organized into four broad categories based on structural and functional similarities. These categories are epithelial, connective, muscle, and nervous. The primary tissue types work together to …

Jul 28, 2025 · A tissue is a collection of similar cells that work together to perform a particular function. These organized groups of cells are fundamental to the structure and operation of multicellular …

: an aggregate of cells usually of a particular kind together with their intercellular substance that form one of the structural materials of a plant or an animal and that in animals include connective tissue, …