64 results found

Search Results for: gray

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

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Central nervous system

Definition noun The part of the nervous system comprised of the brain, the brainstem, and the spinal cord Supplement In... Read More

Lobar pneumonia

Definition noun (pathology) A type of pneumonia that affects the lobe or an enormous section of a lung, and is often caused... Read More

Biotechnology

Biotechnology Definition Biotechnology is a technology that uses biological systems or living organisms for a particular... Read More

Fields of forel

Fields of forel three circumscript, myelin-rich regions of the subthalamus known as h fields (from Haubenfelder); 1) field... Read More

Hypomelanism

All the body cells of living organisms bear some color due to one or the other pigment molecule or complex. The pigment can... Read More

Nervous tissue

Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More

Rad

rad (Science: radiobiology) A unit of absorbed dose: One rad is 0.01 joule absorbed per kilogram of any material. (Also... Read More

Tuatara

Definition noun, plural: tuatara or tuataras A nocturnal lizard-like reptile of the genus Sphenodon that is native to New... Read More

Bone

The bone is an organ that forms the skeleton of vertebrates. It is formed from bone tissues, which are mineralized... Read More

Non-Mendelian Inheritance

Reviewed by: Mary Anne Clark, Ph.D. The inheritance patterns seen in Mendel's monohybrid and dihybrid crosses... 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

New Zealand’s Unique Fauna

By: Maria Victoria Gonzaga In the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More

Pinealocyte

Definition noun, plural: pinealocytes The major cell type component of the pineal gland, and is involved in the production... Read More

Labia

Labia Definition Often, when persons think of the female reproductive system, they think of the vagina. However, the female... Read More

Omnivore

Organisms need to eat food in order to gain energy and survive in the ecosystem. Often, living things are categorized by how... Read More

Fasciculus dorsolateralis

Fasciculus dorsolateralis --> dorsolateral fasciculus a longitudinal bundle of thin, unmyelinated and poorly myelinated... Read More

Unmyelinated nerve

Definition noun A nerve that is bare or without the myelin sheath around the axon. Supplement The unmyelinated nerve... Read More

Disruptive Selection

An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More

Dichotomous

Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More

Inherited traits

What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Unmyelinated neuron

Definition noun A neuron in which there is no myelin sheath surrounding the axon. Supplement The unmyelinated neuron... Read More

Scientists brought dead pig brain partly back to life

Death is inevitable to any entity that has life. When there is a beginning there ought to be an end.  However, the recent... Read More

Community (biology)

Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More

Camelid

Camelid Definition A canelid refers to any of the even-toed ungulates of the family Camelidae, e.g. camels, llamas,... Read More

Old World monkey

Definition noun, plural: Old World monkeys Any of the primates that belong to the family Cercopithecidae of the suborder... Read More

Zoonosis

Zoonosis Definition Zoonosis is an infectious disease that can be transmitted from an animal to a human host. Originally a... Read More

Great ape

Definition noun, plural: great apes Any of the apes belonging to the family Hominidae, such as chimpanzees, gorillas,... Read More

Lesser ape

Definition noun, plural: lesser apes Any of the apes of the family Hylobatidae (gibbons) characterized by being relatively... Read More

Philippine tarsier

Definition noun, plural: Philippine tarsiers A tarsier species endemic to the islands of the Philippines Supplement Tarsiers... Read More

Brain coral

Definition noun, plural: brain corals A reef-building coral characterized by having a convoluted thecae resembling a human... Read More

Monocyte

Monocytes Definition Monocytes are a subset of white blood cells (WBCs) or leukocytes that originate in the bone marrow.... Read More

Eumelanin

Definition noun An aggregate of pigment molecules, each made up of cross-linked 5,6-dihydroxyindole (DHI) and... Read More

Pineal gland

Definition noun, plural: pineal glands A small endocrine gland shaped like a pinecone, located in the epithalamus, and... Read More

Perch

perch (Science: zoology) 1. Any fresh water fish of the genus perca and of several other allied genera of the family... Read More

Subspecies comparison of the Genus: Corucia

Leeway Corucia Research Center (LCRC) Blenheim, S.C. 29516 U.S.A. Abstract Detailed measurements and observations... Read More

Ahool

The ahool is a flying cryptid, supposedly a giant bat, or by other accounts, a living pterosaur or flying primate. Such a... Read More

Matter

Definition noun, plural: matters (1) The material of the universe, especially one that occupies space and has mass (2) The... Read More