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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]
There are four basic types of animal tissues: muscle tissue, nervous tissue, connective tissue, and epithelial tissue. [5] [9] All animal tissues are considered to be subtypes of these four principal tissue types (for example, blood is classified as connective tissue, since the blood cells are suspended in an extracellular matrix, the plasma). [9]
Punjabi culture grew out of the settlements along the five rivers (the name Punjab, is derived from two Persian words, Panj meaning "Five" and Âb meaning "Water") which served as an important route to the Near East as early as the ancient Indus Valley civilization, dating back to 3000 BCE. [1]
Dense connective tissue also known as fibrous tissue [8] is subdivided into dense regular and dense irregular connective tissue. [9] Dense regular connective tissue, found in structures such as tendons and ligaments , is characterized by collagen fibers arranged in an orderly parallel fashion, giving it tensile strength in one direction.
The Department of Horticulture, Punjab is the licensing authority for seed potato production and Director of Horticulture, Punjab is the appellate authority as per the Punjab Tissue Culture Based Seed Potato Act, 2020. [2] [3] The Punjab Cabinet approved Punjab Tissue Culture Based Seed Potato Act, 2020 on 30 Oct 2020.
Vascular tissue is a complex conducting tissue, formed of more than one cell type, found in vascular plants. The primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and nutrients internally. There are also two meristems associated with vascular tissue: the vascular cambium and the cork cambium.
Economically it transformed the Punjab into the richest farming area of India, socially it sustained the power of large landowners and politically it encouraged cross-communal co-operation amongst land owning groups. [202] The Punjab also became the major centre of recruitment into the Indian Army. By patronising influential local allies and ...
Sunflower sea star regenerates its arms. Dwarf yellow-headed gecko with regenerating tail. Regeneration in biology is the process of renewal, restoration, and tissue growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. [1]