WGS160Y1 Lecture : WGS-DEFINITIONS.doc

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whitecrab978

19 Jun 2012

School

UTSG

Department

Women and Gender Studies

Course

WGS160Y1

Professor

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Def : 1 . sex hormones -from october 27 lecture and readings (in particular the oudshoorn articles) Definition: sex hormones are conceptualized as chemical messengers of masculinity and femininity and are also considered to be the primary causal agent of sex behavior. These hormones are also taken to make sexual behavior, desire, identity and gender. Prior to this, sex was thought to be located in the reproductive organs. Reductionism? the implication of sex hormones controlling our behavior is two-fold. On one hand, it means that humans lack any form of agency in how they choose to interact, suggesting that our sexual behavior is hardwired. On the other hand, this theory is reductionistic because it reduces human action to a subhuman factor. The use of sex hormones as chemical messenger of gendered roles does not support polarization of the sexes. This is because hormones fluctuate and are not stable.

Related Questions

Glucose can be released from the liver and transported to many other tissues where it is taken up and induces a variety of biological effects. Glucose concentrations in animals range between 40 and 150 mg/100 mL. Based on this information, would you consider glucose to be a hormone? Why or why not? One important characteristic that distinguishes hormones from other chemical messengers is that hormones circulate in extracellular fluids in very low concentrations; that is, at concentrations ranging from picograms (1012 g) to nanograms (109 g) per mL of blood. This is much lower than concentrations of vitamins, minerals, and metabolites, which are present in concentrations of micrograms (106 g) and milligrams (103 g) per mL of blood. based on this is glucose a hormone

GnRH, a peptide hormone produced by hypothalamic neurosecretory cells, and a steroid hormone produced by the ovary, each exert effects on LH-producing cells of the anterior pituitary gland. In general terms, compare and contrast how these hormones act to affect LH release by pituitary cells.

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1. Compare and contrast sex differentiation and sex determination.

2. Compare and contrast testosterone and 5a-DHT. Discuss how the hormones are produced, mechanisms of action, and what physical results occur because of the hormone.

3. Sexual differentiation is a well understood example of the organizational effect of hormones. Use this example to demonstrate your understanding of the organization part of the organization-activation hypothesis.

Peripheral/endocrine signals interact with hypothalamic circuitsto control motivated behavior. In particular, the roles of specificpopulations of neurons within the hypothalamus regulate feeding andmetabolic activity. The action of hormones on these neurons is alsowell known.

Describe the effects of satiety hormones (insulin and leptin) onthe hypothalamus and the action of specific hypothalamic nuclei inregulating feeding and metabolic activity. Your answer shouldspecify the specific area(s) in which the hormones bind (i.e. wherethere are receptors), the output(s) from the hormone bindingarea(s) to other hypothalamic areas, and the outputs from thehypothalamus to other brain/body areas that generate changes infood-seeking behavior and changes in metabolic rate throughout thebody.

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WGS160Y1 Lecture : WGS-DEFINITIONS.doc

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