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Abdomen

/ˈabdəmən/ Noun, pl. abdomens or abdomina 1. In vertebrates such as mammals, constitutes the part of the body between the thorax (chest) and pelvis. (wikipedia.org) 2. The region of the body in between the thorax and the pelvis. (biology-online.org) 3. The part of the body where stomach, intestines, liver, spleen, and pancreas are contained inside a cavity lined by peritoneum. (biology-online.org) 4. The posterior part of the body of an arthropod, esp. the segments of an insect’s body behind the thorax. (Google dictionary) Word origin: From Latin...

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Abscission

/abˈsiZHən/ Noun 1. A term used in several areas of biology to mean shedding of various parts of an organism. In plant sciences, it most commonly refers to the process by which a plant drops one or more of its parts, such as a leaf, fruit, flower or seed. (wikipedia.org) 2. (Zoology) The term may be used to describe the intentional shedding of a body part, such as the shedding of a claw husk, or the autotomy of a tail to evade a predator. In mycology, it may refer to the liberation of a fungal spore. (wikipedia.org) 3. (Cell biology) Refers to the separation of two daughter cells at the completion of cytokinesis. (wikipedia.org) 2. (Botany) The normal shedding from a plant of an organ that is mature or aged, for example a ripe fruit, an old leaf. (biology-online.org) Word origin: From the Latin ab meaning away and scindere meaning to...

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Absorption

/əbˈzôrpSHən/  /-ˈsôrp-/ Noun 1. (General) The act or process of absorbing or assimilating. (biology-online.org) 2. (Biology) The process of absorbing or assimilating substances into cells or across the tissues and organs through diffusion or osmosis, as in absorption of nutrients by the digestive system, or absorption of drugs into the bloodstream. (biology-online.org) 3. (Chemistry) Absorption of particles of gas or liquid in liquid or solid material....

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Accidental

Adjective 1. Happening unexpectedly or by chance. (biology-online.org) 2. Refers to the occurrences or existence of all those species that would not be found in a particular region under normal circumstances....

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Acclimation

/a-klə-ˈmā-shən, -ˌklī-/ Noun 1. In English-speaking countries other than the US, is the process in which an individual organism adjusting to a gradual change in its environment (such as a change in temperature, humidity, photoperiod, or pH), allowing it to maintain performance across a range of environmental conditions. (wikipedia.org) 2. Adaptation to a new climate (a new temperature or altitude or environment). (biology-online.org) 3. To accustom or become accustomed to a new climate or environment; adapt. (Dictionary.com) 4. The adaptation of an organism to its natural climatic environment. (wiktionary.org) Also called...

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