108 results found

Search Results for: object

Object

object 1. That which is put, or which may be regarded as put, in the way of some of the senses; something visible or... Read More

Micrometer

micrometer An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of... Read More

Volume

Definition noun (1) A three-dimensional measure of space occupied or displaced by an object, usually expressed in cubic... Read More

Sensation

sensation 1. (Science: physiology) An impression, or the consciousness of an impression, made upon the central nervous... Read More

Parallax

parallax 1. The apparent displacement, or difference of position, of an object, as seen from two different stations, or... Read More

Accommodation reflex

Definition noun, plural: accommodation reflexes A reflex reaction of the eye in response to focusing on near object followed... Read More

Neurology of Illusions

As mentioned in the previous tutorial, Human Perception, illusions can be caused by mental disorders or misreading of the... Read More

Non-living thing

Non-living Thing Definition A non-living thing in biology means any form without a life, such as an inanimate body or... Read More

Self

self 1. The individual as the object of his own reflective consciousness; the man viewed by his own cognition as the subject... Read More

Sterile

Sterile Definition What does sterile mean? In reproductive biology, we can define sterile as an inability to reproduce or... Read More

Neck

neck 1. The part of an animal which connects the head and the trunk, and which, in man and many other animals, is more... Read More

Altitude

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

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

Thigmotropism

Definition noun Growth or movement of a cell or an organism in response to touch Supplement In general, tropism is an... Read More

Emulation

Emulation 1. The endeavor to equal or to excel another in qualities or actions; an assiduous striving to equal or excel... Read More

Sections

section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part separated from something; a... Read More

Ambient

Ambient (Science: ecology) describes the surrounding environment (especially temperature and pressure) of an object or... Read More

Moisture content

Definition noun The weight of the water contained in an object or material, usually expressed as a percentage of... Read More

Illusion

Illusion 1. (Science: psychology) An unreal image presented to the bodily or mental vision; a deceptive appearance; a false... Read More

Shadow-casting

shadow-casting Deposition of a film of carbon or certain metals such as palladium, platinum, or chromium on a contoured... Read More

Feathers

Feather 1. (Science: ornithology) One of the peculiar dermal appendages, of several kinds, belonging to birds, as contour... Read More

Shade

shade 1. To shelter or screen by intercepting the rays of light; to keep off illumination from. I went to crop the sylvan... Read More

Biogenesis

Biogenesis Definition Biogenesis refers to the idea or the process whereby a living thing comes from another living thing,... Read More

Imprinting

What does imprinting mean? Have you watched the TV cartoon show “Tom and Jerry” with an episode of a duck and its... Read More

Airy disk

Airy disk (Science: microscopy) The image of a bright point object as focused by a lens system. With monochromatic light, it... Read More

Section

section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part separated from something; a... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Psychiatry & Mental Disorders

The Definition of Mad When someone says 'mental disorder' many people associate it with madness. This is truly not the... Read More

Mate

Mate The paraguay tea, being the dried leaf of the Brazilian holly (ilex Paraguensis). The infusion has a pleasant odour,... Read More

Types and Causes of Brain Damage

The brain is a highly specialized tissue, far more complex than today's 21st-century supercomputers. Due to this magnificent... Read More

Antagonistic Muscle

Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More

Microscopic section

microscopic section --> section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part... Read More

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Organization

Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More

Pacemaker

pacemaker 1. (Science: apparatus, physiology) An object or substance that influences the rate at which a certain phenomenon... Read More

Base

Definition noun, plural: bases (1) (molecular biology) The nucleobase of a nucleotide involved in base pairing, as of a DNA... Read More

Prehensile tail

Definition noun, plural: prehensile tails A tail characterized by its adaptive features, enabling the vertebrate animal to... Read More

Sclerotome

Definition noun, plural: sclerotomes (embryology) The somite that gives rise to the development of vertebrae and... Read More

Compound microscope

Compound microscope (Science: instrument) a microscope (an optical instrument that augments the power of the eye to see... Read More