Stem cells are primal undifferentiated
cells that retain the ability to divide and differentiate into other
cell types. In higher
plants this function is the defining property of the
meristematic
cells.
Full article >>>Stem cell[L. cella - compartment]. An undifferentiated
cell that is mitotically active in either replacing dying body
cells (
somatic stem cell) or producing
gametes (germinal
stem cell).
Full article >>>Stem Cells
Index to this page
Types of
Stem Cells
Using
Stem Cells for
Human Therapy - The Dream ...
Full article >>>A lollipop-shaped structure formed when a single-
stranded
nucleic acid molecule loops back on itself to form a
complementary
double helix (
stem) topped by a loop.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
Full article >>>Stem cells can be found in all adult and young adult beings. Adult
stem cells are undifferentiated
cells that reproduce daily to provide certain specialized
cells-for example 200 billion
red blood cells are created each day in the body from ...
Full article >>>Dr. Donald Orlic, of the National
Human Genome Research Institute's
Genetics and
Molecular Biology Branch, defines hematopoietic
stem cell.
related
terms:
cell ...
Full article >>>Stem Cells
Certainly some
plant cells, like the totipotent
meristems, are more versatile than
animal cells.
Full article >>>Stem vascular arrangement -- Vascular
tissue occurs in
long strands called
vascular bundles. These bundles are arranged within the
stem of
dicots to form a cylinder, appearing as a ring of spots when you cut across the
stem.
Full article >>>Stem Cells
Therapeutic
cloning, also called "
embryo cloning" or "
cloning for
biomedical research," is the production of
human embryos for use in research.
Full article >>>stemThe aboveground part of the axis of
vascular plants, as well as anatomically similar portions below ground (such as
rhizomes).
stem cells ...
Full article >>>stem cells
Cells in bone marrow that produce
lymphocytes by mitotic
division.
sternum The breastbone.
Full article >>>STEM-LOOP - A feature of
RNA secondary structure, in which two
complementary, inverted
sequences which are separated by a short-intervening
sequence within a single
strand of
RNA base pair to form a '"
stem" with a "loop" at one end.
Full article >>>stemThe part of the
plant bearing the buds, leaves, and
flowers. It forms the central axis of the
plant, and provides mechanical support. If present below ground, it is usually called a
rhizome.
Covered in: ...
Full article >>>malacca -
stem of the rattan palm used for making canes and umbrella handles
2.
malacca - a cane made from the
stem of a rattan palm ...
Full article >>>cladophyll A
stem or branch that resembles a
leaf.
clamp Complex set of sclerotized bars, forming a "pinching"
organ on the opisthaptor of a monogenetic
trematode.
Full article >>>peduncle. The
stem of an individual
flower or fruit.
peg
roots.
Primary roots.
pellicle. The covering (skin) that encloses the kernel; it is white during development but becomes brown at maturity.
Full article >>>a germ
cell in the
stem line of male germ
cells that divide mitotically before entering
meiosisSource: Jenkins, John B. 1990.
Human Genetics, 2nd Edition. New York: Harper & Row
...
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The marsupials and placentals diverged from a pantotheran stem stock in the late Cretaceous. The first marsupials appeared in North America approximately 80 million years ago, e.g.
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Many fundamental genetic concepts stem from G. Mendel's work on pea genetics. Mendel's first law gave rise to the concept of recessive and dominant markers.
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embryonic or other stem cells) capable of giving rise to all cell types of the embryo, but not extraembryonic tissues (derivatives of trophoblast) are called 'pluripotent.
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This laborious method involves transfecting a crippled gene into cultured embryonic stem cells, searching through the thousands of resulting clones for one in which the crippled gene exactly replaced the normal one (by homologous recombination), ...
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This suffix indicates the complete collection of the subunits described in the word stem.
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pith: the structure at the center of the stem of vascular plants.
pituitary gland: a gland at the base of the brain consisting of the anterior and posterior lobes that secretes several hormones.
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There are two loci illustrated below, one is for flower color and the other is for stem length. Flower color has five alleles and stem length has two.
Practice
Crosses ...
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Pedicel the region of a plant stem below the receptacle (below a flower)
(ped pediculus = foot)
PelagicZone the open water in the ocean
(pelago = the sea) ...
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: A loop of nucleic acid formed by duplex formation within a single strand (also called stem loop). If happens in a PCR primer, it will not function.
Haploid number ...
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In plants, a propagule is whatever structure functions to reproduce the species: a seed, spore, stem or root cutting, etc.
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