47 results found

Search Results for: fraction

Adipose tissue

Adipose Tissue Definition Adipose tissue, a specialized variety of connective tissue, is composed of lipid-rich cells known... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Osseous tissue

What Is Bone Or Osseous Tissue? Osseous tissue is the structure providing, hard and mineralized connective tissues. Osseous... Read More

Iodine test

Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More

Unit

unit 1. A single thing or person. 2. (Science: mathematics) The least whole number; one. Units are the integral parts of any... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... 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

Fahraeus-lindqvist effect

Fahraeus-lindqvist effect The decrease in apparent viscosity that occurs when a suspension, such as blood, is made to flow... Read More

Phosphate

Phosphate is an essential inorganic compound composed of a phosphorus atom bonded to four oxygen atoms. This molecular... Read More

Kinetic molecular theory

Kinetic molecular theory (Science: chemistry) this theory assumes that molecules must collide in order to react. The more... Read More

Primary productivity

Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More

Packed cell volume

Definition noun The proportion of blood occupied by red blood cells, usually expressed as a percentage of the total blood... Read More

Unstriated muscle

unstriated muscle --> smooth muscle (Science: anatomy, pathology, physiology) muscle tissue in vertebrates made up from... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Adipocyte

Definition noun, plural: adipocytes A specialized connective tissue cell that stores fat (lipid); the predominant cell in... Read More

Directed case study method for teaching human anatomy and physiology

DIRECTED CASE STUDY METHOD FOR TEACHING HUMAN ANATOMY AND PHYSIOLOGY William H. Cliff and Ann W. Wright Department of... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Reducing sugar

Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More

Sex-linked trait

Definition of Sex-Linked Traits A sex-linked trait is an observable characteristic of an organism that is influenced by the... Read More

Leukocyte

Leukocytes, also called the white blood cells (WBCs), inhabiting our immune system are the cells that exhibit astonishing... Read More

Light-dependent reaction

Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Human Neurology

Human Neurology deals essentially with the nervous system of humans. It also features the various theories put forward by... Read More

Protein Activity and Cellular Metabolism

Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Major histocompatibility complex

Definition noun A cluster of genes on a particular chromosome that specify major histocompatibility... Read More

Rudp carboxylase

RuDP carboxylase --> ribulose bisphosphate carboxylase (Science: enzyme) A copper protein that catalyses the formation of... Read More

Lethal mutation

Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More

Figures

Figure 1. The form of anything; shape; outline; appearance. Flowers have all exquisite figures. (Bacon) 2. The... Read More

Plasma

Definition noun (1) Fluid through which cellular components of blood, lymph, or intramuscular fluid are suspended (2)... Read More

Cell division

Cell division is a biological process by which a parent cell duplicates its cell contents and divides to give rise to two or... 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

Mole

Definition noun, plural: moles (chemistry) (1) The SI unit of amount of substance of a chemical system that contains as many... Read More

Divided dose

Divided dose a definite fraction of a full dose; given repeatedly at short intervals so that the full dose is taken within a... Read More

Electromagnetic radiation

Definition noun The radiation that consists of associated, interacting electric and magnetic field waves traveling at the... Read More

Supernatant

supernatant (Science: chemistry) The soluble liquid fraction of a sample after centrifugation or precipitation of insoluble... Read More

Plankton

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

Serum

Serum Definition In biology, serum generally refers to the clear portion of any bodily fluid of animals and plants.... Read More

Residual volume

Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More