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2. Tissue (biology) - Wikipedia

   en.wikipedia.org/wiki/Tissue_(biology)

   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 level between cells and a complete organ. Accordingly, organs are formed by the functional grouping together of multiple tissues. [3]

3. List of human cell types - Wikipedia

   en.wikipedia.org/wiki/List_of_human_cell_types

   Tissue of origin [citation needed] Function Group [footnote 1] Subgroup Germ layer of origin Biomarkers Brunner's gland cell crypt basal stem cells in duodenum, duodenal submucosa [citation needed] enzyme and alkaline mucus secretion Exocrine secretory epithelial cells Endoderm: Insulated goblet cell: respiratory and digestive tracts mucus ...

4. Connective tissue - Wikipedia

   en.wikipedia.org/wiki/Connective_tissue

   Connective tissue is one of the four primary types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. [ 1 ] It develops mostly from the mesenchyme, derived from the mesoderm, the middle embryonic germ layer. [ 2 ] Connective tissue is found in between other tissues everywhere in the body, including the nervous ...

5. Organ system - Wikipedia

   en.wikipedia.org/wiki/Organ_system

   Main article: List of systems of the human body. Nervous system in a human body. There are 11 distinct organ systems in human beings, [2] which form the basis of human anatomy and physiology. The 11 organ systems: the respiratory system, digestive and excretory system, circulatory system, urinary system, integumentary system, skeletal system ...

6. Cell (biology) - Wikipedia

   en.wikipedia.org/wiki/Cell_(biology)

   The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope.

7. Organ (biology) - Wikipedia

   en.wikipedia.org/wiki/Organ_(biology)

   Anatomical terminology. [ edit on Wikidata] In a multicellular organism, an organ is a collection of tissues joined in a structural unit to serve a common function. [ 1 ] In the hierarchy of life, an organ lies between tissue and an organ system. Tissues are formed from same type cells to act together in a function.

8. Mesothelium - Wikipedia

   en.wikipedia.org/wiki/Mesothelium

   The mesothelium is a membrane composed of simple squamous epithelial cells of mesodermal origin, [ 2 ] which forms the lining of several body cavities: the pleura (pleural cavity around the lungs), peritoneum (abdominopelvic cavity including the mesentery, omenta, falciform ligament and the perimetrium) and pericardium (around the heart).

9. Histology - Wikipedia

   en.wikipedia.org/wiki/Histology

   Histology, [help 1] also known as microscopic anatomy or microanatomy, [1] is the branch of biology that studies the microscopic anatomy of biological tissues. [2][3][4][5] Histology is the microscopic counterpart to gross anatomy, which looks at larger structures visible without a microscope. [5][6] Although one may divide microscopic anatomy ...