31 results found

Search Results for: circle

Nicked circle

nicked circle (Science: molecular biology) During extraction of plasmid dNA from the bacterial cell, onestrand of the DNA... Read More

Rolling circle mechanism

rolling circle mechanism (Science: molecular biology) A mechanism of dNA replication in many viral dNAs, in bacterial f... Read More

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

Eccentric

Eccentric 1. Deviating or departing from the center, or from the line of a circle; as, an eccentric or elliptical orbit;... Read More

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

Plane

Plane 1. To make smooth; to level; to pare off the inequalities of the surface of, as of a board or other piece of wood, by... Read More

Circulus arteriosus iridis minor

Circulus arteriosus iridis minor --> lesser arterial circle of iris An arterial circle near the pupillary margin of the... Read More

Gyration

Gyration 1. The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis;... Read More

Tropic

tropic 1. (Science: suffix) A turning toward, having an affinity for. Compare: -trophic. Origin: G. Trope, a turning 2.... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Vortex

vortex Origin: L. Vortex, vertex, -icis, fr. Vortere, vertere, to turn. See Vertex. 1. A mass of fluid, especially of a... Read More

Gyri

Definition noun, singular: gyrus The sinuous ridges or bumps on the surface of the brain surrounded by one or more... Read More

Abiotic

An abiotic factor in Ecology or Biology pertains to any constituent within an ecosystem that lacks inherent life or living... Read More

Amplitude

Amplitude 1. State of being ample; extent of surface or space; largeness of dimensions; size. The cathedral of Lincoln . . .... Read More

Adhering junction

Adhering junction (Science: cell biology) a type of junction between cells forming tissues that are subjected to stretching... Read More

Telophase

Telophase is the stage of cell division characterized by the decondensation of chromosomes, and the nuclear envelope... Read More

Pearl

pearl 1. (Science: marine biology, zoology) A shelly concretion, usually rounded, and having a brilliant luster, with... Read More

Horn

Horn 1. A hard, projecting, and usually pointed organ, growing upon the heads of certain animals, especially. Of the... Read More

Ostrich

ostrich (Science: zoology) A large bird of the genus struthio, of which Struthio camelus of Africa is the best known... Read More

Jaw

Jaw 1. (Science: anatomy) One of the bones, usually bearing teeth, which form the framework of the mouth. Hence, also, the... Read More

Inbreeding

Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... Read More

Collarette

Collarette The sinuous, scalloped line in the iris that divides the central pupillary zone from the peripheral ciliary zone... Read More

Covalently closed circular dna

Covalently closed circular dna (Science: molecular biology) a circular molecule of double-stranded dna which is supercoiled,... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Stentor

stentor 1. A herald, in the Iliad, who had a very loud voice; hence, any person having a powerful voice. 2. (Science:... Read More

Orbits

orbit 1. (Science: astronomy) The path described by a heavenly body in its periodical revolution around another body; as,... Read More

Periphery

periphery Origin: L. Peripheria, Gr.; around - to bear, carry: cf. F. Peripherie. 1. The outside or superficial portions of... Read More

Problem

problem 1. A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution... Read More

Altitude

Altitude 1. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground,... Read More

Growth

Growth Definition What is growth in biology? Growth is the irreversible increase of an organism’s size over a given... Read More

Xylem parenchyma

Definition noun Parenchyma cells in the xylem tissue and are involved mainly in the storage of carbohydrates, oils, and... Read More