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Glands in Biological Dictionary

Salivary glands

The salivary glands in mammals are exocrine glands , glands with ducts, that produce saliva. They also secrete amylase, an enzyme that breaks down starch into glucose. In other organisms such as insects, salivary glands are... Salivary glands produce the saliva used to moisten y...

Parathyroid glands

The parathyroid glands are small endocrine glands in the neck that produce parathyroid hormone. Humans have four parathyroid glands , which are usually located behind the thyroid gland, and, in rare cases, within the thyroid gland or in the chest. Parathyroid glands ... Parathyroid d...

Exocrine glands

Exocrine glands are glands that secrete their products (hormones) into ducts (duct glands ). They are the counterparts to endocrine glands , which secrete their products (hormones) directly into the bloodstream or release hormones (paracrines) that affect only target... exocrine gland...

Endocrine glands

Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The main endocrine glands include the pituitary gland, pancreas, ovaries, testes,... The endocrine system is a system of glands that involve ...

Ductless glands

Ductless glands are glands that secrete their product directly onto a surface rather than through a duct. Examples are the goblet cells in the epithelial surface of the digestive, respiratory, urinary and reproductive systems. Many endocrine glands are also ductless glands , as they secret...

Adrenal glands

In mammals, the adrenal glands are the star-shaped endocrine glands that sit on top of the kidneys; their name indicates that position . They are chiefly responsible for regulating the stress response through the synthesis of corticosteroids and catecholamines,... The adrenal glands ar...

Vagina

... Women's health information covers breast, cancer, heart, pregnancy, sexual health, and mature women ... The vagina also includes numerous tiny glands that make ... The vagina is the female internal sex organ that begins on the outside at the vaginal opening and extends about three to five inc...

Transcription unit

... 4 levels in any formation until the Unit In-Charge is satisfied. ... Specific active transcription units on chromosome IV in the salivary glands of ... The transcription units in these Balbiani rings generate 75S RNA molecules ... In addition to halting transcription within the E1A u...

Thyroid gland

... The thyroid is one of the largest endocrine glands in the body. This gland is found in the neck inferior to (below) the th...ddle of the lower neck, below the larynx ... "masses" in their thyroid glands (see right) ... The thyroid is a small gland , measuring about 2 inc...

Thymus gland

...y atrophies by age 20, and ... Collectively, thymus gland hormones have been shown, in human, animal and in ... Information about Thymus glands in the free online ... endocrine gland . genus Thymus . immune system. Mother-of-thyme. T cell. throat sweetbread ... The thymus consists of...

Testes

...ist, medical ... Organ Testes including diseases and disorders affecting the Testes organ or body system. ... Testes : The male reproductive glands where sperm are produced. ... Detailed information on undescended testes , including causes, symptoms, diagnosis, and treatment ... Undescended ...

Seminal vesicles

...he seminal vesicles are a pair of simple tubular glands posteroinferior to the urinary bladder of males.... and giving ... either of two elongated saclike glands that secrete their fluid contents into the ejacula.... The seminal vesicles are paired secretory glands just posterior to the bladder. ... seminal ve...

Prostate gland

...er as well as ways to prevent ... Online Medical Dictionary and glossary with medical definitions ... The prostate is actually not one but many glands , 30-50 in number, between which ... Information on prostate cancer surgery. ... Surgery may be done to remove the prostate and its cancer. ....

Polytene

...flies. ... The polytene chromosomes at the right are from the salivary glands ... Information about polytene in the free online English dictionary ...ene chromosomes ... Polytene chromosomes in the Drosophila salivary glands have distinctive banding patterns. ... Subsequently polytene chromos...

Pituitary gland

...rofessional organization representing physicians who ... The anterior pituitary gland produces several hormones; all of them are peptides, ... glands under the influence of anterior pituitary hormones are also affected by ... New approaches to managing tumors of the pituitary gland offer...

Nodes

...outcomes ... There are about 500-700 lymph nodes spread throughout the body. ... What are lymph nodes ? Lymph nodes are small, bean-shaped glands throughout the body. ... Common sites for swollen lymph nodes include the neck, groin, and underarms. ... Award-winning, breast cancer inform...

Muscularis

... by Brunner's glands. ... Note the muscularis mucosa and the absence of glands in the ... Small, flask-like outpouchings of the mucosa through the m... external longitudinal. Tunica adventitia ... Muscularis mucosae. TUBULAR glands Often branched. Mucosa deepest ... Results: The usefulness of clinical a...

Mucosa

...s some organs and body cavities throughout the ... glands along the mucosa release mucus (a thick fluid). ...s some organs and body cavities throughout the ... glands along the mucosa release mucus (a thick fluid) ....particular organs and body cavities throughout ... glands along the mucosa secrete mucus (a thick fluid). ...

Mesentery

...ntery develops from mesenchyme that attaches the foregut, ... During embryonic maturation, this mesenchyme forms the dorsal mesentery . ... The glands of the mesentery are of great interest in their correspondence. ... The mesentery elaborates the chyle, and the liver the blood" (DP 336) ... ...

Mammary gland

... Mammary glands are the organs that, in mammals, produce milk for the sustenance of the young. These exocrine glands are enlarged and modified sweat glands and give mammals their name. The mammary ...

Mammals

... Mammals are a class of vertebrate animals whose females are characterized by the possession of mammary glands while both males and females are characterized by sweat glands, hair, three middle ear bones used in hearing, and a... The evolution of mammals ...

Lymph

...g After Mastectomy and Lymph Node Removal. Additional Resources and References ... What are lymph nodes? Lymph nodes are small, bean-shaped glands throughout the body. ... Common sites for swollen lymph nodes include the neck, groin, and underarms. ... Pediatric expert Dr. Alan Greene talk...

Lymph nodes

...ng ... What are lymph nodes ? Lymph nodes are small, bean - shaped glands throughout the body. ... Common sites for swollen lymph nodes include t...considerations, and common causes. Read about the causes swollen lymph glands ( nodes ) such as infection, virus, inflammation, or some types of cancer. ...

Gastrin

...mone gastrin in the blood. ... Gastrin also has minor effects on the pancreas, liver, and intestines. ... gastrin n. A hormone secreted by glands in the mucous membrane of the stomach that stimulates the production of gastric ... Gastrin is a polypeptide. ... Gastrin is synthesized in...

Epistasis

...ple alleles and other non-mendelian patterns easily explained. eccrine glands Sweat glands that are linked to the sympathetic nervous system ... epistasis The mas...

Epinephrine

...he "fight or flight" response of the sympathetic nervous system. It is a catecholamine, a sympathomimetic monoamine produced by the adrenal glands from the... epinephrine also epinephrin n. A hormone secreted by the adrenal medulla that is released into the bloodstream in response to ph...

Elongation factor

...cessory factor for transcription elongation (Adelman, 2005) ... Depletion of one Negative elongation factor E (NELF) subunit in salivary glands ... found in a complex with another positive elongation factor called Tat-SF1. ... The role of protein elongation factor eEF1A2 in ovari...

Ecdysone

...is a non-covalent heterodimer of two proteins, the EcR protein and ultraspiracle protein (USP).... Thus, ecdysone released by the prothoracic glands appeared to directly inhibit ... These data show that ecdysone inhibits vitellogenesis by two independent ... Online Shopping at SpotCost.com - N...

Corpus luteum

...he ... The molecular control of corpus luteum formation, function, and regression. ... "The corpus luteum (CL) is one of the few endocrine glands that forms from the ... Corpus luteum hemorrhage (CLH) is a significant problem for women taking ... This bleeding into the corpus luteum ...

Cofactors

...n by grottenolm on 2008-12-19 16:19:50 as ... Limited Time FREE Shipping! SR (Stress Resistance) Cofactors ™ was developed to support the adrenal glands and promote the adaptation of individuals to stress. Under ... Metal cofactors . Single metal sites. mostly structural sites Ca2+, Zn2+ excepti...

Cardiac stomach

...unction is available, have a look at the cardiac glands of the stomach . ... The opening of the esoph...ardiac orifice of the stomach . ... Cardiac glands Cardiac glands Section of mucous membrane of human stomach , ...

Bronchi

...piratory system, including the trachea, bronchioles, or alveoli. The term bronchial adenoma describes a diverse group of tumors arising from mucous glands and ducts of the trachea (windpipe) or bronchi (large airways of the ... Each day you breathe about 20,000 times. Find out more about the lung...
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