Definition of TISSUE


Tissue is a noun and refers to a group or collection of cells that perform a specific function within an organism. These cells are structurally and functionally organized to carry out specialized tasks, contributing to the overall physiology and functioning of the organism.

Types of Tissues: In multicellular organisms, various types of tissues are present, each with distinct structures and functions. These include epithelial tissue, which covers body surfaces and lines organs and cavities; connective tissue, which provides support and structure to the body; muscle tissue, responsible for movement and contraction; and nervous tissue, which conducts electrical impulses and enables communication within the nervous system.

Structural Organization: Tissues are organized hierarchically, with cells being the basic structural and functional units. Cells with similar structures and functions aggregate to form tissues, which, in turn, combine to form organs and organ systems. This hierarchical organization allows for specialization and division of labor among different cell types, optimizing the overall functioning of the organism.

Function and Physiology: Each type of tissue serves specific physiological roles within the body. For example, epithelial tissue functions as a protective barrier, regulating the exchange of substances between the body and its environment. Connective tissue provides structural support, anchoring and connecting different organs and tissues. Muscle tissue enables movement and locomotion, while nervous tissue facilitates the transmission of nerve impulses and coordination of bodily activities.

Pathological Conditions: Disruptions or abnormalities in tissue structure or function can lead to various pathological conditions or diseases. Examples include epithelial tumors, connective tissue disorders such as arthritis, muscle degeneration disorders like muscular dystrophy, and neurological conditions such as Alzheimer’s disease. Understanding tissue physiology and pathology is crucial for diagnosing and treating medical conditions.

Regeneration and Repair: Many tissues possess the capacity for regeneration and repair, allowing the body to recover from injuries and maintain homeostasis. Epithelial tissues, for instance, have a high regenerative capacity, enabling rapid wound healing. However, some tissues, such as nervous tissue, have limited regenerative abilities, posing challenges for the treatment of neurological injuries and diseases.

Tissue refers to groups of specialized cells that collaborate to perform specific functions within an organism. These organized structures play vital roles in maintaining physiological balance, supporting bodily functions, and responding to injuries or pathological conditions. Understanding tissue structure, function, and pathology is essential for advancing medical knowledge and developing effective treatments for various health disorders.

Examples of TISSUE in a sentence

  • The tissue paper was soft and gentle, perfect for wiping away tears.
  • She reached for a tissue to blow her nose as she battled a stubborn cold.
  • The doctor used a sterile tissue to clean the wound before applying the bandage.
  • He carefully folded the tissue into a neat square before tucking it into his pocket.
  • The delicate tissue of the flower petals seemed to shimmer in the sunlight.
  • She dabbed at her eyes with a tissue, trying to hide her emotions from others.
  • The lab technician examined the tissue sample under the microscope, searching for abnormalities.
  • The company produced environmentally friendly tissue products, using recycled materials whenever possible.

Etymology of TISSUE

The term tissue has its etymological roots in Middle English and Old French, offering insights into its linguistic origins.

  • Middle English Influence: “Tissue” originated from the Middle English word “tissu,” which referred to a woven fabric or cloth.
  • Old French Formation: In Old French, the word “tissu” also existed, with a similar meaning of woven material or fabric.
  • Semantic Context: In modern usage, “tissue” denotes a thin, woven fabric or material, often used for various purposes such as clothing, bedding, or medical applications. It can also refer to a group or layer of cells that perform a specific function within an organism, such as muscle tissue or nerve tissue.

The term tissue emphasizes its association with woven material or fabric, reflecting its historical roots in Middle English and Old French and its contemporary usage to describe both woven fabric and biological material within living organisms.


  • Fabric
  • Material
  • Web
  • Cloth
  • Membrane
  • Fiber
  • Substance
  • Sheet


  • Solid
  • Bone
  • Cartilage
  • Mineral
  • Metal
  • Inorganic
  • Plastic
  • Synthetic


  • Cell
  • Organ
  • Biological
  • Anatomy
  • Physiology
  • Histology
  • Biopsy
  • Histopathology

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