279 results found

Search Results for: stem

Why Embryonic Stem Cell Use is Unethical

By Vicki Mozo Embryonic Stem Cell research offers a remarkable way to treat various disorders where conventional... Read More

A twist of fate — Reprogrammed fibroblasts resemble embryonic stem cells

Stem cell biology takes another exciting leap forward as scientists report that normal tissue cells can be reprogrammed to... Read More

Stem cell

Definition noun, plural: stem cells (1) An unspecialized cell characterized by the ability to self-renew by mitosis while... Read More

Pith

Pith Definition In general, the term "pith" refers to the "soft inner portion" of something. In botany, a pith refers... Read More

Pluripotent stem cell

Definition noun The stem cell having the ability to differentiate into more than one cell type. Supplement The term... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Stem

stem The main stem or a branch of the main axial system of a plant, developed from the plumule of the embryo and typically... Read More

Stems

stem The main stem or a branch of the main axial system of a plant, developed from the plumule of the embryo and typically... 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

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Transfer ribonucleic acid

Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Parenchyma

Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... 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

Xylem

Xylem Definition Xylem is defined as a plant tissue that transfers water and nutrients from roots to all over the plant... Read More

How to Be a Christian in a Brave New World

 How to Be a Christian in a Brave New World      ... Read More

Cloning

Definition noun The process of creating an exact copy of a biological unit (e.g. a DNA sequence, cell, or organism) from... Read More

Red blood cell

Definition noun, plural: red blood cells The blood cell containing hemoglobin and functions primarily to transport... Read More

Methods of Tissue Engineering by A. Atala & R. Lanza

 Methods of Tissue Engineering      ... Read More

Erythroblast

Definition noun, plural: erythroblasts A nucleated red blood cell that develops into a reticulocyte Supplement The blood... Read More

Protoxylem

Definition noun The first xylem to develop from the procambium, and characterized by narrow tracheary elements with annular,... Read More

Intercalary meristem

Definition noun, plural: intercalary meristems (botany) A type of meristematic tissue at the base of nodes and leaf blades... Read More

Somatic nervous system

Definition noun The part of the peripheral nervous system that consists of afferent nerves responsible in relaying motor and... Read More

Totipotent cell

Definition noun The cell that is capable of developing into any cell type. Supplement In a developing embryo, totipotent... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Gap 0 phase

Definition noun The phase in the cell cycle wherein the cell is in inactive or non-cycling state following cell... Read More

Branch

(Science: plant biology) 1 a natural division of the stem of a large woody plant, especially a stem growing from the trunk... Read More

Culture of Animal Cells: A Manual of Basic Technique by R. I. Freshney

Culture of Animal Cells: A Manual of Basic Technique       ... Read More

Proerythroblast

Definition noun, plural: proerythroblasts A progenitor cell that arises from the CFU-e, and then develops to become an... Read More

CFU-GEMM

Definition noun A stem cell capable of differentiating into granulocyte, erythrocyte, monocyte, and... Read More

First time! Human blood cell turned into a young sex cell

In essence, our body consists of two major types of cells – one group involved directly in reproducing sexually (called... Read More

Monocytopoiesis

Definition noun, plural: monocytopoieses The hematopoiesis of monocytes Supplement Hematopoiesis is the process of forming... Read More

Voluble

voluble 1. Easily rolling or turning; easily set in motion; apt to roll; rotating; as, voluble particles of matter. 2.... Read More

Internode

Internode (Science: plant biology) The portion of a stem between the level of insertion of two successive leaves or leaf... Read More

Pluripotent

Definition adjective Capable of affecting many cells, organs or tissues. (biology) Pertaining to the ability of a cell to... Read More

Essential Developmental Biology [ILLUSTRATED]

Essential Developmental Biology [ILLUSTRATED]       ... Read More

Petiolate plant

Definition noun, plural: petiolate plants (botany) Any of the group of flowering plants that possess petiole, which is a... Read More