47 results found

Search Results for: follicle

Follicle-stimulating hormone

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

Follicle

Follicle 1. (Science: anatomy) Generally a small sac or vesicle. 2. (Science: botany) a kind of fruit formed from a single... Read More

Lymph follicle

Lymph follicle lymphatic follicle, one of the spherical masses of lymphoid cells, frequently having a more lightly staining... Read More

Ovarian cycle

Definition noun The cycle that depicts the changes in the ovarian follicle happening during a menstrual cycle, and is... Read More

Luteinizing hormone

Definition noun, plural: luteinizing hormones A gonadotropin released by the gonadotropes of the anterior pituitary, and,... Read More

Human Reproduction

Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More

Gametokinetic hormone

Gametokinetic hormone --> follitropin An acidic glycoprotein hormone of the anterior pituitary that stimulates the... Read More

Hair root

Hair root The part of a hair that is embedded in the hair follicle, its lower succulent extremity capping the dermal papilla... 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

Galactosamine

Definition noun, plural: galactosamines A hexosamine, where galactose contains an amine (-NH2) instead of a hydroxyl (–OH)... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... 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

Positive feedback

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

Testosterone

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

Peptide hormone

'''peptide hormone peptide hormones are a class of peptides that are secreted into the blood stream and have endocrine... Read More

Simple fruit

Definition noun, plural: simple fruits A type of fruit that develops from a single or compound ovary with only one pistil... Read More

Belly

Belly Origin: oe. Bali, bely, as. Belg, baelg, baelig, bag, bellows, belly; akin to Icel. Belgr bag, bellows, Sw. Balg, dan.... Read More

Sebaceous gland

Definition noun, plural: sebaceous glands An exocrine gland secreting sebum that lubricates hair and skin Supplement A... Read More

Liquor folliculi

Liquor folliculi The fluid within the antrum of the ovarian... Read More

Areolar gland

Definition noun, plural: areolar glands Any of the sebaceous glands in the areola surrounding the nipple Supplement Areolar... Read More

Lymph

Definition noun The clear, slightly alkaline, bodily fluid bathing body tissues containing mostly of white blood cells, and... Read More

Vibrissa

Definition noun, plural: vibrissae (1) A whisker of an animal, e.g. cat (2) A long, slender, bristle-like feather at the... Read More

Exogen

Definition noun (physiology) The phase of the hair cycle in which the hair is shed (botany) Any of the plants characterised... Read More

Amino sugar

Definition noun, plural: amino sugars A sugar molecule the nonglycosidic hydroxyl (–OH) group is replaced by an amine... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... 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

Apocarpous gynoecium

Apocarpous gynoecium is comprised by the set of many simple pistils (consistig of only one carpel). Characteristic fruit for... Read More

Leydig cell

Leydig cell interstitial cells of the mammalian testis, involved in synthesis of testosterone. leydig cell Leydig cells,... Read More

Hair shaft

Hair shaft The non-growing portion of a hair which protrudes from the skin, i.e., from the follicle. Synonym: scapus... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More

Folliculus pili

Folliculus pili --> hair follicle (Science: dermatology) a tube-like opening in the epidermis where the hair shaft... Read More

Scapus pili

scapus pili --> hair shaft The non-growing portion of a hair which protrudes from the skin, i.e., from the... Read More

Lanugo

What is Lanugo? Lanugo is the delicate and downy hair that covers a fetus within the uterus (womb). It is very fine hair.... Read More

Districhiasis

Districhiasis growth of two hairs in a single follicle. Origin: g. Dis, double, - thrix (trich-),... Read More

Glycoprotein

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

Fibroblast

The building block of living things is known as the cell. The cell contributes to many parts and functions of different... 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

Corpus luteum

Corpus luteum (Science: gynaecology) a yellow glandular mass in the ovary formed by an ovarian follicle that has matured and... Read More

Sebum

Definition noun An oily substance produced and secreted by sebaceous gland Supplement Sebum is the substance produced and... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More