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
(Science: cell biology) in most animal oocytes the nucleus is not centrally placed and its position can be used... Read More
Review of Mitosis: Cell Cycle
The cell cycle contains the process in which cells are either dividing or in between... Read More
What is Meiosis?
A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More
A holoblastic cleavage producing blastomeres of unequal size.
An example is the holoblastic... Read More
Definition of Gamete
What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More
1. A long pole or spar, run out for the purpose of extending the bottom of a particular sail; as, the jib boom, the... Read More
1. (Science: chemistry, physics) Of such a nature relatively to some other associated body or bodies, as to... Read More
1. A long piece of wood; a stick; the long handle of an instrument or weapon; a pole or srick, used for many purposes;... Read More
(1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... Read More
Origin: cf. F. Electricite. See electric.
1. A power in nature, a manifestation of energy, exhibiting itself... Read More
1. (Science: physics) Having, or acting by means of, one pole only.
2. (Science: anatomy) Having but one pole or... Read More
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
1. A straight and slender stick; a wand; hence, any slender bar, as of wood or metal (applied to various purposes).... Read More
Covalent Bond Definition
What is a covalent bond? In chemistry and other fundamental science fields, a covalent bond is... Read More
What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More
From leap, to jump. Leaping house, a brothel. Leaping pole, a pole used in some games of leaping.
(Science: zoology)... Read More
Pertaining to, or situated under, the northern constellation called the Bear; northern; frigid; as, the arctic pole,... Read More
What is cohesion? Cohesion, in science definition, refers to the state of cohering or sticking together... Read More
(embryology)A meroblastic cleavage wherein the cytoplasmic divisions are restricted to the animal pole,... Read More
An oval area in the retina, 3 to 5 mm in diameter, usually located temporal to the posterior pole of the eye... Read More
1. (Science: zoology) Any one of numerous species of macruran crustacea belonging to Crangon and various allied... Read More
What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
1. An extramundane region where certain classes of souls were supposed to await the judgment. As far from help as... Read More
(Science: chemistry, physics) Relating to or charged with negative electricity.
Normally refers to an... Read More
1. A pole, or piece of wood, constructed with a step or loop to raise the foot above the ground in walking. It is... Read More
1. (Science: geometry) A figure bounded by three lines, and containing three angles.
A triangle is either plane,... Read More
Anodal opening contraction
An obsolete term for the momentary contraction of a muscle under the influence of the positive... Read More
Synonym: polar body.
Origin: G. Polos, pole, - kytos,... Read More
A rod or fibrous cone located between the acrosome and the anterior pole of the nucleus in the spermatozoa of... Read More
1. The extreme or last point or part of any material thing considered lengthwise (the extremity of breadth being side);... Read More
noun, plural: appendixes
(1) (anatomy) A worm-shaped, vestigial process extending from the lower blind end of... Read More
1. A floor timber in a ship.
2. One of the rounds of a ladder.
3. One of the stakes of a cart; a spar; a heavy... Read More
1. The act of raising from a lower place, condition, or quality to a higher; said of material things, persons, the... Read More
What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More
1. Emitting or proceeding as from a center; rays; radiating; radiate.
2. Especially, emitting or darting rays of... Read More
sessile hydatid -->
A vesicular nonpedunculated structure attached to the cephalic pole of the testis;... Read More
1. Of or pertaining to the universe; extending to, including, or affecting, the whole number, quantity, or space;... Read More
1. Extent from side to side, or distance sidewise from a given point or line; breadth; width. Provided the length... Read More
(1) Of, pertaining to, or relating to the head
(2) Situated at or towards the head
Word... Read More