Female reproduction Functions Transport eggs Transport sperm from uterus Fertilization Regions of Oviduct Infundibulum Funnel shaped Fimbriae Ostium opens into peritoneal cavity Ampulla Thin walls Region of fertilization Isthmus Narrower Uterotubual junction Inner diameter 1mm Histology of tube wall Outer serosa continuous with uterine surface Middle muscular layer Inner mucosa Lumen (hollow area) Interior surface of oviduct Mucosal surface highly folded Cilia move
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endocrinopathy of reproductive-age women characterized by anovulation‚ androgen excess‚ and polycystic ovaries. Patients commonly exhibit hirsutism‚ alopecia‚ obesity‚ diabetes‚ and oligomenorrhea/amenorrhea as part of the syndrome. PCOS is a diagnosis of exclusion‚ with the patient’s symptoms better explained by the abnormal thyroid laboratory values and other workup. Elevation of free testosterone is sensitive for detecting androgen excess‚ but in this patient‚ this value was
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“Part of the novel nature of drospirenone stems from it being structurally and functionally analogous to spironolactone. Spironolactone is an aldosterone antagonist‚ and a potassium-sparing diuretic” (Mathur‚ Levin‚ & Azziz‚ 2008). Due to its anti-androgen effect‚ drospirenone can also be used as adjunct treatment for hirsutism. COCs containing drospirenone are a viable and potentially preferred option for use in the treatment of PCOS and its related symptoms. Drospirenone has proven to be effective
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endocrine disorder is unknown‚ however‚ according to the National Institute of Health (NIH)‚ it is connected to changes in certain hormones levels (Polycystic ovary syndrome‚ 2012). In a woman with PCOS‚ estrogen and progesterone levels are low while androgen levels are high. This imbalance affects the development and release of eggs during ovulation‚ causes the formation of very small cysts in the ovaries‚ and contributes to infertility. The symptoms for PCOS vary from woman to woman. The two most common
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DISCUSS THE ROLE OF NEURAL AND HORMONAL MECHANISMS IN HUMAN AGGRESSION Neurotransmitters are chemicals that enable impulses within the brain to be transmitted from one area of the brain to another. Serotonin is thought to reduce aggression by inhibiting responses to emotional stimuli that might otherwise lead to an aggressive response. Low serotonin in the brain has been associated with an increased susceptibility to impulsive behaviour‚ aggression and even violent suicide. A meta-analysis found
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cocoon while it’s happening. | So one morning you wake up‚ you talk and you sound like a rooster‚ you sing and you croak like a frog. And you think: what is happening to me.Well‚ this is just your voice cracking. Well‚ it’s just the androgens in your body. Androgens are hormones that control your male characteristics. They increase the size of your voice box. | During puberty a boy can produce enough sweat to fill a 6 pack of beer in just one hour of exercise. NO wonder the girls at dance sport
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Presentation Questions Ecstasy 1. Explain how the brain normally regulates serotonin. How does ecstasy act in the brain‚ & what neurotransmitters does it affect? - Normally‚ the brain regulates serotonin (5-HT) by taking up the release in neighboring neurons. - With ecstasy‚ the neuron is still supplied with 5-HT directly. However‚ ecstasy MIMICS 5-HT by blocking the reuptake of serotonin‚ [causing the release of high levels of 5-HT into the synapse]‚ which induces euphoria & the
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maturity * What are the main sex hormones? What do they contribute to in boys and girls? estrogens & androgens Both are present in boys and girls but in different amounts Boys: release large amounts of androgen testosterone which leads to muscle growth‚ body and facial hair‚ and other male sex characteristics. Estrogen increases GH secretion adding to growth spurt and in combination with androgens stimulates gain in bone density Girls: Estrogen released cause breasts‚ uterus and vagina to mature
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Gay‚ Lesbian‚ or Straight Sexual orientation is a pattern of attraction: emotional‚ romantic‚ sexual‚ or some combination of these to the opposite sex‚ the same sex‚ or both sexes (Stein 2011). These attractions are referred to as heterosexuality‚ homosexuality‚ bisexuality‚ and asexuality (Walker 2012). Heterosexual people are romantically and physically attracted to members of the opposite sex. Heterosexual males are attracted to females‚ and heterosexual females are attracted to males. Heterosexuals
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Endocrine Maintains homeostasis. Ex. Growth rate‚ body temp‚ hunger feelings. Hormone Chemical messenger‚ that secretes into blood by an endocrine gland. Gland Secretes chemical substances used by the body Exocrine gland Secretes chemical substances into a duct Endocrine gland Ductless glands that secrete hormones Target cell Cell on which the hormone exerts an effect Affects of hormones Activation or inactivation of enzymes‚ stimulates mitosis‚ plasma membrane permeability change‚ synthesis
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