Luteinizing hormone

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  • Acetate : A Synthetic Nonapeptide And Analogue Of Naturally Occurring Luteinizing Hormone Releasing Hormone

    1547 Words  | 7 Pages

    analogue of naturally occurring luteinizing hormone releasing hormone (LHRH). It possesses greater biological potency than the natural hormone, which when introduced into the systemic circulation induces the release of luteinizing (LH) and follicle stimulating hormone (FSH) from the anterior pituitary (Schally et al., 1971). It is the blood-borne messenger between the hypothalamus and the anterior pituitary, which controls reproductive function. LHRH is a decapeptide hormone (pGlu-His-Trp-Ser-Tyr-GlyLeu-Arg-Pro-Gly-NH

  • The Bats Reproductive Technique And The Evidence For An Annual Cycle

    1260 Words  | 6 Pages

    The New Zealand Lesser Short-tailed bat (Mystacina tuberculata) is an endangered bat, endemic to New Zealand. It diverges into three subspecies, of which two are endangered and one is at risk (Department of Conservation [DOC], 2012). It is one of three original native bat species in New Zealand with only two of those species still found today. The Lesser Short-tails are microbats, with pre-foraging adults weighing between 10 to 22 grams (Carter & Riskin, 2006). An adult body length can extend up

  • Biolgoy Sect 1

    1607 Words  | 7 Pages

    Section 51-1 VOCABULARY REVIEW 1. Target cells are the specific cells that are affected by a hormone. 2. A second messenger is an intracellular molecule that amplifies the signal of a first messenger. 3. A prostaglandin is a lipid that regulates the activity of cells that are in close proximity to its site of production. 4. Hormones are molecules that are secreted in small amounts, circulate in the bloodstream, and affect distant target cells. MULTIPLE CHOICE 1. d 2. c 3. a 4. c 5. c SHORT ANSWER

  • The Increased Use of Steroids in Athletics Essay

    867 Words  | 4 Pages

    methods have become easy. Simple methods such as stashing it inside a teddy bear, sneaking it across the Mexican border inside shampoo bottles have worked. These type of steroids are anabolic drugs that build growth hormones that include testosterone, which are the male sex hormones that improve performance. Testosterone in the male is produced mainly in the testes and a small amount is

  • Infertility : A Common Endocrine System Disorder Among Women Of Reproductive Age

    1568 Words  | 7 Pages

    a woman’s body. Physicians and scientists are unsure of a cause but seem to shift towards a genetic glitch (1). Normally the pituitary gland in the brain releases two hormones, Luteinizing Hormone and Follicle Stimulating Hormone which stimulates the pancreases to increase insulin production (9). The Follicle Stimulating Hormone [FSH] does just that, it stimulated the follicles in the

  • A Brief Article On Ovary Syndrome ( Pcos )

    1654 Words  | 7 Pages

    group of 12-45 resulting in female sub-fertility. This endocrine disorder can be identified by anovulation which is diagnosed by irregular menstruation, amenorrhea, polycystic ovaries, ovulation-related infertility, excessive secretion of androgenic hormones that cause hirsutism and acne. High cholesterol level, type 2 diabetes, insulin resistance are other known symptoms. All these symptoms vary among different individuals. The disorder is known by a number of other names like polycystic ovary disease

  • Sexual Intentions Research Paper

    946 Words  | 4 Pages

    testosterone increased sufficiently when they chatted with the opposite sex. Hormones just do not change in men, although they change in women when it comes to dressing differently. Women also during or near the ovulation process tend to dress skimpier than women not even close to the ovulation process according to Marti Haselton, who has a PhD in psychology. She states that when the women receive the Luteinizing Hormone (LH) Surge, it triggers that ovulation process which results in the skimpier

  • Effects of Progesterone on the Body Essay

    995 Words  | 4 Pages

    Progesterone, a type of female sex hormone which belong to a steroid hormone class known as progestogen, has a major role in the development of oral contraception. Progesterone is produced in ovaries, adrenal gland and in placenta when women get pregnant. In the menstrual cycle, ovary unceasingly alternates between two phases: the follicular phase, which is characterized by the presence of maturing follicles and the luteal phase, which is governed by the presence of corpus luteum. Ovulation occurs

  • LH Mouse Model

    1536 Words  | 7 Pages

    in mouse models Abstract: Estrogen is the primary female sex hormone and is responsible for the development and regulation of the female reproductive system and of secondary sex characteristics. Produced primarily by the ovaries, estrogen binds to and activates estrogen receptor beta (ER)- a nuclear receptor. Estrogen plays an important role in the hypothalamic-pituitary-gonadal (HPG) axis by acting on gonadotropin-releasing hormone (GnRH) neurons located within the hypothalamus. In females, a cyclic

  • What Are Polycystic Ovarian Syndrome ( Pcos ) Is The Most Common Endocrine Disorder?

    3279 Words  | 14 Pages

    Abstract Polycystic ovarian syndrome (PCOS) is the most common endocrine disorder diagnosed in women of reproductive age. The disease manifests itself with varying symptoms and has long term consequences of heart disease, diabetes, and infertility. PCOS has no clear etiology or pathophysiology, and as new information is being contributed, the mechanism and components of the disease is being updated. Presented here are the most understood and accepted components of PCOS, and its pathology as a reproductive

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