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Extracellular matrix formed by secreted polymeric organic compounds by microorganisms. This secreted compound is mostly polysaccharides but may inclu…

Vertical transmission of hereditary characters by DNA from cytoplasmic organelles such as MITOCHONDRIA; CHLOROPLASTS; and PLASTIDS, or from PLASMIDS …

The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to spa…

Below normal weather temperatures that may lead to serious health problems. Extreme cold is a dangerous situation that can bring on health emergencie…

An ENVIRONMENT which falls outside the range of tolerance for the survival of organisms that are not specifically adapted to survive or thrive in it.…

High temperature weather exceeding the average and of several days' duration. Extreme heat is a dangerous situation that can bring on health emergenc…

A feedforward neural network designed with a single layer hidden node where the weights between inputs and hidden nodes are randomly assigned. Extrem…

Events that have extreme values of important meteorological variables. Extreme is generally defined as either taking maximum values or exceedance abo…

Color of the iris.

Voluntary or reflex-controlled movements of the eye.

A plasmid whose presence in the cell, either extrachromosomal or integrated into the BACTERIAL CHROMOSOME, determines the sex of the bacterium, host …

Protein structural motifs that play a role in protein-protein binding. The motifs are comprised of approximately 50 residues. Their name derives from…

The passive movement of molecules exceeding the rate expected by simple diffusion. No energy is expended in the process. It is achieved by the introd…

Prepared food that is ready to eat or partially prepared food that has a final preparation time of a few minutes or less.

Neutrons, the energy of which exceeds some arbitrary level, usually around one million electron volts.

A mechanism of communication with a physiological system for homeostasis, adaptation, etc. Physiological feedback is mediated through extensive feedb…

A network where information is only passed in one direction. This is the opposite of a recurrent neural network, in which information is processed in…

Widely occuring protein domains that function to link signaling and CYTOSKELETAL PROTEINS to the PLASMA MEMBRANE. They occur mostly at the N-terminal…

Anaerobic degradation of GLUCOSE or other organic nutrients to gain energy in the form of ATP. End products vary depending on organisms, substrates, …

Beverages that are prepared by using microorganisms to convert their components into various FERMENTATION end products.

Foods that are prepared by using microorganisms to convert their components into various FERMENTATION end products. Some pickled foods are considered…

A form of REGULATED CELL DEATH initiated by oxidative perturbations of the intracellular microenvironment that is under constitutive control by gluta…

The period in the MENSTRUAL CYCLE that is optimal for FERTILIZATION of the OVUM and yielding PREGNANCY. The duration of fertile period depends on the…

The capacity to conceive or to induce conception. It may refer to either the male or female.

The fusion of a spermatozoon (SPERMATOZOA) with an OVUM thus resulting in the formation of a ZYGOTE.

Morphological and physiological development of FETUSES.

Physical activity of the FETUS in utero. Gross or fine fetal body movement can be monitored by the mother, PALPATION, or ULTRASONOGRAPHY.

Functional competence of specific organs or body systems of the FETUS in utero.

The potential of the FETUS to survive outside the UTERUS after birth, natural or induced. Fetal viability depends largely on the FETAL ORGAN MATURITY…

The weight of the FETUS in utero. It is usually estimated by various formulas based on measurements made during PRENATAL ULTRASONOGRAPHY.