Search Results for: r loop
Feedback mechanism
Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Transfer ribonucleic acid
Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More
Inoculating loop
Definition noun, plural: inoculating loops A tool usually made of platinum or nichrome wire in which the tip forms a small... Read More
Hyperosmotic
Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More
Tight junction
What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
![Osmotic pressure n., plural: osmotic pressures [ɑsˈmɑtɪk ˈpɹɛʃ.ɚ] osmotic pressure definition and example](https://www.biologyonline.com/wp-content/uploads/2020/11/osmotic-pressure-definition-and-example-300x168.jpg)
Osmotic pressure
Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... Read More
Autocrine signaling
Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More
Hyposmotic
Definition adjective 1. Of, relating to, or characterized by having a lower osmotic pressure than a surrounding fluid under... Read More
Inoculation
Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More
Stem and loop structure
stem and loop structure (Science: molecular biology) The structure of tRNAs is so termed because it has four base paired... Read More
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
Fields of forel
Fields of forel three circumscript, myelin-rich regions of the subthalamus known as h fields (from Haubenfelder); 1) field... Read More
Chloroplast DNA
Definition noun plural: chloroplast DNAs DNA in the chloroplast that carries the code for proteins and RNAs essential to... Read More
Afferent Nerve
Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More
Kidneys and Regulation of Water and Inorganic Ions
Renal Functions Kidneys remove/add substances from/to the plasma.Regulate water concentration, inorganic ion... Read More
Principles of Hormonal Control Systems
Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More
Hairpin loop
Hairpin loop An area where single-stranded dna or rna has folded back on itself and nucleotides from the two separate... Read More
Loop of henle
Loop of henle a u-shaped turn in the medullary portion of a renal tubule, with a descending limb from the proximal... Read More
Renal medulla
Definition noun, plural: renal medullae or renal medullas The inner region of the kidney that is arranged into renal... Read More
Chemical Composition of the Body
In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More
Deoxythymidine
Definition noun plural: deoxythymidines A pyrimidine nucleoside that has thymine attached to the pentose sugar... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... 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
Ultrafiltration
Definition noun (1) A high pressure filtration through a semipermeable membrane in which colloidal particles are retained... Read More
Synergistic effect
Synergistic Effects Definition In biology, synergistic effects are the effects when chemical substances or biological... Read More
Lymph capillary
Definition noun, plural: lymphatic capillaries (anatomy) A minute, thin-walled vessel of the lymphatic system that is... Read More
Prokaryote
Prokaryote refers to any of the group of living organisms primarily characterized by the lack of a true nucleus and other... Read More
Net primary productivity
In order to keep the biosphere running, different organisms play different roles and functions. Some help in oxygen... Read More