153 results found

Search Results for: terminal

Axon terminal

An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More

Terminal web

Definition noun (cell biology) The subapical zone rich in microfilaments, and acts as the attachment point for the bundles... Read More

Terminal hair

Definition noun The mature type of hair characterized by being pigmented, thicker, and with a larger diameter than the... Read More

Long-terminal repeats

Long-terminal repeat (Science: molecular biology) identical dna sequences, several hundred nucleotides long, found at either... Read More

Terminal bud

Definition noun, plural: terminal buds (botany) The bud located at the tip of a stem. Supplement Buds may be classified and... Read More

Terminal nerve

Definition noun, plural: vagus nerves A small cranial nerve that courses anteriorly along the olfactory... Read More

Axon hillock

Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More

Termino-terminal anastomosis

termino-terminal anastomosis An operation by which the central end of an artery is connected with the peripheral end of the... Read More

Terminal electron acceptor

Definition noun A compound that receives or accepts an electron during oxidation of carbon source, e.g. during cellular... Read More

Terminal

terminal 1. Forming or pertaining to an end, placed at the end. 2. A termination, end or extremity. Origin: L.... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... 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

Terminals

terminal sinus sinus terminalis, the vein bounding the area vasculosa in the... Read More

Transfer ribonucleic acid

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

Dansyl chloride

Definition noun (chemistry) A strongly fluorescent compound that will react with the terminal amino group of a protein;... 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

Hypertrichosis

Definition noun, plural: hypertrichoses An atypical hair growth in excess over the body Supplement Trichosis is an archaic... Read More

Ltr

Ltr --> long-terminal repeat (Science: molecular biology) identical dna sequences, several hundred nucleotides long, found... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Tail

tail 1. (Science: zoology) The terminal, and usually flexible, posterior appendage of an animal. The tail of mammals and... Read More

Telodendrion

Definition noun, plural: telodendria Any of the terminal or smaller branches of an axon that terminates with specialized... Read More

Sarcoplasmic reticulum

Definition noun plural: sarcoplasmic reticula (cell biology) The special type of smooth endoplasmic reticulum found in... Read More

Telodendron

Definition noun, plural: telodendrons or telodendra Any of the terminal or smaller branches of an axon that terminates with... Read More

Teledendron

Definition noun, plural: teledendrons or teledendra Any of the terminal or smaller branches of an axon that terminates with... Read More

Synaptic vesicle

Definition noun, plural: synaptic vesicles (neurobiology) Any of the intracellular, membrane-bound compartments with... Read More

Nervous tissue

Definition noun A type of animal tissue comprised principally of nerve cells and neuroglia cells Supplement The four... Read More

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More

Rectum

rectum (Science: anatomy) The last portion of the large intestine (colon) that communicates with the sigmoid colon above and... Read More

Online systems

online systems systems where the input data enter the computer directly from the point of origin (usually a terminal or... Read More

Anal pit

Anal pit --> proctodeum 1. An ectodermally lined depression under the root of the tail, adjacent to the terminal part of... Read More

Purkinje fibre

Purkinje fibre (Science: cardiology, pathology) A group of specialised cardiac muscle cells that conduct electrical impulses... Read More

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Hermes

Hermes Hermes Trismegistus (literally, thrice greatest) was a late name of hermes, especially as identified with the... Read More

Vellus hair

Definition noun Very fine, non-pigmented hair that covers most of the body of human and other mammals Supplement The vellus... Read More

Presynaptic membrane

presynaptic membrane That part of the plasma membrane of an axon terminal that faces the plasma membrane of the neuron or... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

Repeated sequences

Definition noun (molecular biology) Multiple copies of nucleotide sequences in the nucleic acids (i.e. DNA or RNA)... Read More

Cerebroside

Definition noun, plural: cerebrosides A glycosphingolipid made of a monosaccharide or an oligosaccharide linked... Read More

Cranial nerve

Definition noun, plural: cranial nerves Any of the paired nerves emerging from the brain (including the brainstem but not... Read More