Search Results for: mechanical
Mechanical
mechanical 1. Pertaining to, governed by, or in accordance with, mechanics, or the laws of motion; pertaining to the... Read More
Mechanical equilibrium
Definition noun A state of a physical system at rest or in unaccelerated motion, and where the sum of all forces and torque... Read More
Filtration
Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More
Semilunar valve
The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More
Parenchyma
Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More
Xylem fiber
Definition noun, plural: xylem fibers Any of the fibers made up of dead sclerenchyma cells in between the xylem vessels... Read More
Phloem sclerenchyma
Definition noun The sclerenchyma cells in the phloem of many vascular plants, and is responsible for providing mechanical... 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
Mechanoreceptor
Definition noun, plural: mechanoreceptors A sensory receptor chiefly in the skin or in the body surface of an organism used... Read More
Hyaline cartilage
Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More
Stratified epithelium
Definition noun, plural: stratified epithelia An epithelial tissue comprised of more than one layer of epithelial cells,... Read More
Homogenous
What is homogenous? What does homogenous mean? The word homogenous has been derived from two Greek words that are... 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
Cell signaling
Definition noun The process of communication occurring between the cells and within the cell Supplement Cell signaling is... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Intracellular digestion
Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Sonoporation
Definition noun A mechanical method of delivering molecules into the cell using sound, e.g. ultrasonic... Read More
Secondary xylem
Definition noun, plural: secondary xylems The xylem formed as a result of the secondary growth from the vascular... Read More
Water potential
Definition noun The measure of the relative tendency of water to move from one area to another, and is commonly represented... Read More
Middle lamella
Definition noun plural: middle lamellae ˈmɪdəl ləˈmɛl.ə A pectin-rich intercellular material that glues the... Read More
Peripheral nervous system
Definition noun The part of the nervous system that relays between the central nervous system and the rest of the body, and... Read More
Secondary cell wall
Definition noun plural: secondary cell walls ˈsɛkənˌdɛɹi sɛl wɔːl The layer of the plant cell wall that forms... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More
Phelloderm
Definition noun, plural: phelloderms (botany) A part of the periderm made up of cells produced inwardly by the cork... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... 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
Cell matrix
Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More