85 results found

Search Results for: growth hormone

Animal Growth Hormones

Reviewed by: Mary Anne Clark, Ph.D.As mentioned in the previous tutorial, hormones are produced in... Read More

Growth hormone

Definition noun, plural: growth hormones A polypeptide hormone that in humans and other animals essentially promotes... 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

Growth

Growth Definition What is growth in biology? Growth is the irreversible increase of an organism’s size over a given... Read More

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Hormone Production

Reviewed by: Mary Anne Clark, Ph.D.Hormones are chemical messengers produced by glands in the endocrine system.... Read More

Somatotroph

Definition noun, plural: somatotrophs The hormone-secreting cell in the anterior pituitary that particularly releases... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Hypertrophy

Hypertrophy Definition Hypertrophy refers to the enlargement or increase in the size of an organ or tissue due to the... Read More

Pituitary gland

Definition noun, plural: pituitary glands An endocrine gland situated off the bottom of the hypothalamus, and acts as the... Read More

Hypothalamic hormone

Definition noun, plural: hypothalamic hormones Any of the various neurohormones produced by specialized neurons in the... Read More

Hormone

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

Neurohormone

Definition noun, plural: neurohormones Any of the various hormones secreted by neuroendocrine cells Supplement A... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Anabolism

Anabolism Definition Metabolic processes involve the conversion of one molecule into another through a sequence of chemical... Read More

Physical Development in Humans

The Newly Born Child Depending on the nutrients available to the child within pregnancy and the genetic makeup of the... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Hypothalamus

Definition noun, plural: hypothalami A small region of the forebrain comprised of several small nuclei, located between the... Read More

Fetus

The science of Embryology and Fetal development has fascinated mankind since time immemorial. After the embryonic stage, the... Read More

Prolactin

Definition noun, plural: prolactins A peptide hormone secreted by lactotropic cell in the anterior pituitary of vertebrates,... Read More

Reproductive system

What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More

Gonadotropin

Definition noun, plural: gonadotropins A polypeptide hormone secreted by the anterior pituitary and the placenta, and acts... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Thyroxine

Definition noun, plural: thyroxines An iodine-containing hormone (chemical formula: C15H11I4NO4) produced by the thyroid... Read More

Apical bud

Apical Bud Definition The apical bud is the type of bud located at the top (apex) of the plant, particularly at the very... Read More

Lactogen

Lactogen An agent that stimulates milk production or secretion. Origin: Lacto-- g. -gen, producing human placental lactogen... Read More

Acromegaly

Acromegaly (Science: endocrinology) a condition that results from the excess production of growth hormone in the anterior... Read More

Valine

Amino acids are categorized into two groups based on the capability of the human body to synthesize them; essential and... Read More

Testosterone

Definition noun, plural: testosterones A steroid hormone with a chemical formula of C19H28O2, and is regarded as the primary... Read More

Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a day to... Read More

Corticotroph

Definition noun, plural: corticototrophs The cell in the anterior pituitary that particularly releases adrenocorticotropic... Read More

Thyrotroph

Definition noun, plural: thyrotrophs The cell in the anterior pituitary that particularly releases thyroid-stimulating... Read More

Chorion

Chorion Definition The chorion is a membrane that develops around the developing fertilized egg. It begins to develop... Read More

Lactotroph

Definition noun, plural: lactotrophs An acidophilic cell in the anterior pituitary that releases prolactin Supplement The... Read More

Genetic variability

Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More

Cyclic adenosine monophosphate

Definition noun plural: cyclic adenosine monophosphates (biochemistry) A cyclic form of adenosine monophosphate that... Read More

Glycoprotein

Definition noun, plural: glycoproteins Any of the conjugated proteins, characterized by having one or more... Read More