14 results found

Search Results for: pineal gland

Pineal gland

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

Apocrine gland

The human body is a complex assemblage of many different organs, systems, glands, bones, and tissues. Weighing any one over... Read More

Endocrine gland

Definition noun, plural: endocrine glands Any of the ductless glands secreting hormones that are released directly into... Read More

Principles of Hormonal Control Systems

Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More

Pinealocyte

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

Hormone

Definition noun, plural: hormones (physiology) Any of the substances produced and secreted by an endocrine gland, and then... Read More

Melatonin

Definition noun, plural: melatonin or melatonins The hormone involved in the regulation of several physiological mechanisms... Read More

Endocrine system

Definition noun The bodily system consists of the endocrine glands, and is responsible for the production and secretion of... Read More

Chronobiology

Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More

Organ

Definition Of Organ An organ is a collection of tissues that carries out a function or set of related ones. An organ often... Read More

Homeostasis of Organism Water Regulation

Osmoregulation Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Photoreceptor

Photoreceptor (Science: cell biology) A specialised cell type in a multicellular organism that is sensitive to light. This... Read More

Oestrus

Definition noun A phase in the sexual cycle of female animals characterized by their sexual receptiveness or their... Read More