35 results found

Search Results for: pole

Poles

Pole 1. A long, slender piece of wood; a tall, slender piece of timber; the stem of a small tree whose branches have been... Read More

Meiosis and Alternation of Generations

Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Sister chromatids

Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More

Unequal cleavage

Definition noun A holoblastic cleavage producing blastomeres of unequal size. Supplement An example is the holoblastic... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Electropositive

Electropositive 1. (Science: chemistry, physics) Of such a nature relatively to some other associated body or bodies, as to... Read More

Shaft

shaft 1. The slender, smooth stem of an arrow; hence, an arrow. His sleep, his meat, his drink, is him bereft, That lean he... Read More

Unipolar

unipolar 1. (Science: physics) Having, or acting by means of, one pole only. 2. (Science: anatomy) Having but one pole or... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Biodiversity

The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More

Flagellum

Flagellum Definition Flagellum is a slender, hair-like structure composed of a complex arrangement of multiple proteins,... Read More

Rod

Rod 1. A straight and slender stick; a wand; hence, any slender bar, as of wood or metal (applied to various purposes).... Read More

Discoidal cleavage

Definition noun (embryology)A meroblastic cleavage wherein the cytoplasmic divisions are restricted to the animal pole,... Read More

Cohesion

Cohesion Definition What is cohesion? Cohesion, in science definition, refers to the state of cohering or sticking together... Read More

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... Read More

Covalent bond

Covalent Bond Definition What is a covalent bond? In chemistry and other fundamental science fields, a covalent bond is... Read More

Chorion

Chorion Definition The chorion is a membrane that develops around the developing fertilized egg. It begins to develop... Read More

Macula lutea

Macula lutea An oval area in the retina, 3 to 5 mm in diameter, usually located temporal to the posterior pole of the eye... Read More

Electronegative

Electronegative (Science: chemistry, physics) Relating to or charged with negative electricity. Normally refers to an... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Anodal opening contraction

Anodal opening contraction An obsolete term for the momentary contraction of a muscle under the influence of the positive... Read More

Sessile hydatid

sessile hydatid --> testicular appendage A vesicular nonpedunculated structure attached to the cephalic pole of the testis;... Read More

Terrestrial

Definition adjective Of, pertaining to, or corresponding to land (on earth), as opposed to water and air Supplement The term... Read More

Plankton

Plankton is a diverse group of typically microscopic, aquatic organisms suspended in the water column and rely on water... Read More

Swarm

Definition noun, plural: swarms (1) A large number of insects or small organisms, particularly when they are in motion. (2)... Read More

Shrimp

shrimp 1. (Science: zoology) Any one of numerous species of macruran crustacea belonging to Crangon and various allied... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Cytokinesis

The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More

Anaphase

In order to keep the process of biological existence ever-going, the phenomenon of cell multiplication is very important.... Read More

Limbus

1. An extramundane region where certain classes of souls were supposed to await the judgment. As far from help as Limbo is... Read More

Bean

Bean 1. (Science: botany) a name given to the seed of certain leguminous herbs, chiefly of the genera Faba, phaseolus, and... Read More

Appendix

Definition noun, plural: appendixes (1) (anatomy) A worm-shaped, vestigial process extending from the lower blind end of... Read More

Meiosis – The Genetics of Reproduction

The genetic information found in DNA is essential in creating all the characteristics of an organism. This remains the case... Read More

Pseudopodia

A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More