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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]
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.
He coined the term cell (from Latin cellula, meaning "small room" [41]) in his book Micrographia (1665). [ 42 ] [ 40 ] 1839: Theodor Schwann [ 43 ] and Matthias Jakob Schleiden elucidated the principle that plants and animals are made of cells, concluding that cells are a common unit of structure and development, and thus founding the cell theory.
The Term 1 examination was successfully conducted by CBSE in objective mode from 22 November to 12 December 2021 for Class 10 and from 16 November to 30 December 2021 for Class 12. However, the Term-I examination was criticised by many for having wrong answer keys, tough question papers and wrong or controversial questions with a question being ...
Wisconsin authorities said Tuesday that a second-grade teacher called 911 to report a school shooting and not a student as they had initially said.
The fast response of Boyd and fellow deputy Brandon King stood in contrast to the deadly elementary school shooting in Uvalde, Texas, in 2022, when more than 300 officers responded to the scene ...
Haematopoietic stem cells (HSCs) reside in the medulla of the bone (bone marrow) and have the unique ability to give rise to all of the different mature blood cell types and tissues. [ 2 ] [ 3 ] HSCs are self-renewing cells: when they differentiate, at least some of their daughter cells remain as HSCs, so the pool of stem cells is not depleted.
Over his past three games, Smith-Njigba has taken on an increased role in the offense, totaling 31 targets, 23 catches, 367 receiving yards and 3 TDs dating back to Week 9.