218 results found

Search Results for: hand

Ape hand

Definition noun A deformity marked by the extension of the thumb in the same plane as the palm and fingers or the failure to... Read More

Trench hand

trench hand An obsolete term for frostbite of the... Read More

The evolution of right- and left-handedness

New study compares handedness of medieval English villagers to modern-day sampleA study from the April issue of Current... Read More

Hand

Hand The portion of the upper limb distal to the radiocarpal joint, comprised of the wrist, palm, and fingers. Synonym:... Read More

Overview of Chirology

Psychodiagnostic Chirology (PDC) is a comprehensive diagnostic discipline applied by professional behavioral specialists in... Read More

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More

Manual

Manual Of or pertaining to the hand; done or made by the hand; as, manual labour; the kings sign manual. Manual and ocular... Read More

Palm

palm 1. (Science: anatomy) The inner and somewhat concave part of the hand between the bases of the fingers and the wrist.... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Anatomy

Anatomy Definition Often we hear the term 'anatomy' while learning about the body and how it works. What is anatomy? What... Read More

Mātauranga Māori and Science

By: Maria Victoria Gonzaga In the previous lesson, we learned about the various methods used in measuring... Read More

Lead

Lead 1. To guide or conduct with the hand, or by means of some physical contact connection; as, a father leads a child; a... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

The biology of how the brain forgets

Our brain tends to forget things that we wish we would always remember. And yet, it cannot forget certain things we wish... Read More

Finger

Finger 1. One of the five terminating members of the hand; a digit; especially, one of the four extermities of the hand,... Read More

Soils

Where a plant grows and what resources are available to it is of vital importance to the life of a plant. The soil type and... Read More

Staff

staff 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

Nucleoporin

Definition noun plural: nucleoporins Any of the family of porins that make up the nuclear pore complex Details Overview... Read More

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Worm

worm 1. A creeping or a crawling animal of any kind or size, as a serpent, caterpillar, snail, or the like. There came a... Read More

Non-living thing

A non-living thing in biology means any form without life, such as an inanimate body or object. Compared with the entity... Read More

Pronation

pronation rotation of a body part (usually the hand or foot) resulting in appendage facing downward A rotation of the... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Mound

mound An artificial hill or elevation of earth; a raised bank; an embarkment thrown up for defense; a bulwark; a rampart;... Read More

Antagonistic Muscle

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

Diarthrodial joint

What is a diarthrodial joint? A diarthrosis joint is a freely moving joint characterized by its mobility and joint cavity... Read More

Vertex

vertex 1. (Science: anatomy) A turning point; the principal or highest point; top; summit; crown; apex. Specifically: the... Read More

The Origins of Life

Although Earth was created around 4.5 billion years ago, life began to exist not long after. Due to the huge timescales... Read More

Intrinsic muscles

Definition noun A group of muscles located within or situated deeper in a structure, in contrast to extrinsic muscles... Read More

Brandt-andrews manoeuvre

Brandt-andrews manoeuvre The expression of the placenta by grasping the umbilical cord with one hand and placing the other... Read More

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Rub

rub 1. To subject (a body) to the action of something moving over its surface with pressure and friction, especially to the... Read More

Folio

Folio Origin: ablative of L. Folium leaf. See 4th foil. 1. A leaf of a book or manuscript. 2. A sheet of paper once... Read More

Nuclear pore

Definition noun plural: nuclear pores ˈnu kli ər, pɔː Any of the many perforations on the nucleus as a result of the... Read More

Spin

spin 1. To practice spinning; to work at drawing and twisting threads; to make yarn or thread from fibre; as, the woman... Read More

Nuclear envelope

Definition noun plural: nuclear envelopes nu·cle·ar en·ve·lope, ˈn(j)ukliɚ ˈɛn.və.ləʊp The two layered membrane... Read More