41 results found

Search Results for: node

Lymph nodes

Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... Read More

Subdigastric node

subdigastric node --> jugulodigastric lymph node A prominent lymph node in the deep lateral cervical group lying below... Read More

Jugulo-omohyoid node

Jugulo-omohyoid node --> jugulo-omohyoid lymph node a lymph node of the lateral deep cervical group that lies above the... Read More

Bronchopulmonary lymph node

Definition noun, plural: bronchopulmonary lymph nodes Any of the many lymph nodes located in the hilum of each lung, and... Read More

Hilar lymph node

Definition noun, plural: hilar lymph nodes Any of the lymph nodes in the hilum or the triangular depression or indented... Read More

Node

node A point in a plant stem at which one or more leaves are attached. The source of lymph and... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Lymph

Definition noun The clear, slightly alkaline, bodily fluid bathing body tissues containing mostly of white blood cells, and... Read More

Intercalary meristem

The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More

Lymphatic vessel

Definition noun, plural: lymphatic vessels (anatomy) A vessel that carries lymph and is responsible for the removal of... Read More

An introduction to Homeostasis

Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More

Lymph glands

Lymph gland --> lymph node (Science: anatomy) small bean-shaped organ made up of a loose meshwork of reticular tissue in... Read More

Adventitious root

Definition noun, plural: advemtitious roots A root growing on the stem, leaf, or other body parts apart from the usual the... Read More

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More

Ecliptic

Ecliptic 1. (Science: astronomy) a great circle of the celestial sphere, making an angle with the equinoctial of about 23... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... Read More

Ant

Ant Definition An ant is an insect belonging to the family Formicidae. It belongs to the order Hymenoptera, together with... 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

Theory of Neuroscience

Nezih OKTAR Journal of Neurological Sciences (Turkish) 2006, Volume 23, Number 3, Page(s) 155-158. An Open Access... Read More

Lymphoid organ

Definition noun, plural: lymphoid organs The organ of the lymphatic system, and carries out various immune... Read More

Phylogenetic tree

Definition noun, plural: phylogenetic tree A tree diagram that shows the evolutionary histories and relationships of groups... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Yellow fever virus

Definition noun, plural: yellow fever viruses A Flavivirus species containing positive-sense, single-stranded RNA with about... Read More

Apical meristem

Definition noun, plural: apical meristems (botany) A type of meristematic tissue that is located at the tips or terminal... Read More

Microalgae

Microalgae are microscopic algae. They are single-celled algae that may exist independently or in colonies. They are... Read More

Lateral meristem

Definition noun, plural: lateral meristems (botany) A type of meristematic tissue comprised of meristematic cells in the... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Reticular connective tissue

Definition noun A type of connective tissue characterized by the predominance of reticular fibers made of type III collagen... Read More

Vital knot

vital knot --> noeud vital A circumscript region in the lower part of the medulla oblongata, near the apex of the calamus... Read More

Idiojunctional rhythm

Idiojunctional rhythm --> idionodal rhythm An independent rhythm, the ventricles being under control of the a-v node (a-v... Read More

Adenosine

Definition noun plural: adenosines a·den·o·sine, əˈdɛn əˌsin A purine nucleoside that has adenine bound to a... Read More

Lymphaden

Lymphaden Synonym: lymph node. Origin: lymph-- g. Aden,... Read More

Thoracic duct

Definition noun, plural: thoracic ducts The lymphatic duct through which lymph from most of the peripheral lymph nodes... Read More

Green algae

Green algae (singular: green alga) are photosynthetic algae that are characterized by having chlorophylls a and b as the... Read More

Hilum

Definition noun, plural: hila (botany) The scar on a seed or a spore at the site where it was attached to its stalk during... Read More

Algae

Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll. However, they lack true roots,... Read More

Arrested tuberculosis

Arrested tuberculosis --> healed tuberculosis a scar or a calcified, fibrous, or caseous nodule in the lung pleura, lymph... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More

Joint

Joint 1. To unite by a joint or joints; to fit together; to prepare so as to fit together; as, to joint boards. Pierced... Read More

Opposite

opposite 1. Placed over against; standing or situated over against or in front; facing; often with to; as, a house opposite... Read More