Tsang Suk Ying. / "August 2003." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references (p. 196-226). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.

Lau, Pui Ling. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 84-94). / Abstracts in English and Chinese. / Abstract (English) --- p.i / Abstract (Chinese) --- p.v / Acknowledgements --- p.ix / Contents --- p.x / List of Figures --- p.xiv / Chapter Chapter 1 --- General Introduction / Chapter 1.1 --- Regulations of gametogenesis and mass spawning in corals --- p.1 / Chapter 1.1.1 --- Endogenous cues --- p.2 / Chapter 1.1.2 --- Environmental cues --- p.3 / Chapter 1.2 --- Studies on black corals --- p.5 / Chapter 1.2.1 --- Introduction of black corals --- p.5 / Chapter 1.2.2 --- Black corals harvesting --- p.6 / Chapter 1.2.3 --- Biodiversity and distribution of black corals in Chinese and Hong Kong waters --- p.8 / Chapter 1.2.4 --- Threats to black corals --- p.9 / Chapter 1.3 --- Significance and objectives of the present study --- p.11 / Chapter 1.3.1 --- Objectives --- p.12 / Chapter 1.3.2 --- "The targeted species, Antipathes curvata and the study site" --- p.13 / Chapter 1.4 --- Thesis outline --- p.14 / Chapter Chapter 2 --- "Reproductive Biology of Antipatharian Black Coral, Antipathes curvata in Lan Giio Shui, Hong Kong" / Chapter 2.1 --- Introduction --- p.18 / Chapter 2.1.1 --- Coral Reproduction --- p.20 / Chapter 2.1.2 --- Sexual reproduction in black corals --- p.21 / Chapter 2.2 --- Materials and methods --- p.24 / Chapter 2.2.1 --- Sample collections and pre-treatment --- p.24 / Chapter 2.2.2 --- Histological processing --- p.25 / Chapter 2.2.3 --- Light microscopy --- p.26 / Chapter 2.2.4 --- Gametogenesis --- p.27 / Chapter 2.2.5 --- Environmental and statistical analysis --- p.27 / Chapter 2.3 --- Results --- p.28 / Chapter 2.3.1 --- General reproductive mode --- p.28 / Chapter 2.3.2 --- "Sex ratio, size at sexual maturity and density of gamete" --- p.28 / Chapter 2.3.3 --- Characteristics of polyps and gametes of A. curvata --- p.29 / Chapter 2.3.4 --- Changes in geometric diameter of gametes overtime --- p.30 / Chapter 2.3.5 --- Developmental stages of gametogenesis --- p.31 / Chapter 2.3.5.1 --- Oogenesis --- p.31 / Chapter 2.3.5.2 --- Spermatogenesis --- p.32 / Chapter 2.3.6 --- Development of oocytes and spermaries over time --- p.34 / Chapter 2.3.7 --- Correlation of black coral reproduction with seawater temperature --- p.35 / Chapter 2.3.8 --- Gametogenesis in individual colonies --- p.36 / Chapter 2.3.8.1 --- Female colonies --- p.37 / Chapter 2.3.8.2 --- Male colonies --- p.39 / Chapter 2.4 --- Discussion --- p.40 / Chapter 2.4.1 --- Asynchronization of gametogenic cycle --- p.40 / Chapter 2.4.2 --- Possible effect of seawater temperature on reproduction of A. curvata --- p.43 / Chapter Chapter 3 --- Detection of the Sex Steroid 17β-estradiol and its Possible Roles on Gametogenesis in Black Corals Antipathes curvata from Hong Kong / Chapter 3.1 --- Introduction --- p.55 / Chapter 3.1.1 --- "Roles of sex hormone, 17(3-estradiol (E2) in the reproduction of vertebrates" --- p.58 / Chapter 3.1.2 --- Roles of vertebrate-type sex steroids in Cnidaria --- p.59 / Chapter 3.2 --- Materials and methods --- p.63 / Chapter 3.2.1 --- Study site --- p.63 / Chapter 3.2.2 --- 17β-estradiol (E2) extraction --- p.63 / Chapter 3.2.3 --- 17β-estradiol (E2) assay --- p.65 / Chapter 3.2.4 --- Calculation and assay validation --- p.65 / Chapter 3.2.5 --- Gametogenesis of A. curvata --- p.66 / Chapter 3.2.6 --- Seawater temperature and statistical analysis --- p.67 / Chapter 3.3 --- Results --- p.67 / Chapter 3.3.1 --- Seasonal profile of E2 --- p.67 / Chapter 3.3.2 --- Gametogenesis --- p.68 / Chapter 3.3.3 --- Correlation with seawater temperature --- p.69 / Chapter 3.4 --- Discussion --- p.70 / Chapter Chapter 4 --- Summary and Perspectives --- p.78 / References --- p.84

No description available.

Includes list of articles published or accepted for publication during the period of PhD candidature. / "July, 2004" / Includes bibliographical references (leaves 255-293) / xxviii, 293 leaves : ill., plates (col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Pathology, 2004?

Relationships between the steroid hormones estradiol (E2), testosterone (T), cortisol (CRT) and dehydroepiandrosterone-sulfate (DHEAS), memory and mood were investigated in men, in women estrogen-users and non-users, and in patients with Alzheimer's Disease (AD). In Study 1, 72 year-old healthy men and women estrogen-users performed better than estrogen non-users on Forward and Total Digit Span, which test attention and short-term memory, concomitant with their higher E2 levels. The estrogen-users performed better than the men and the non-users on Delayed Selective Reminding, a test of explicit verbal memory. Men and women with higher CRT levels performed worse on several explicit verbal memory tests compared to those with lower endogenous, CRT levels. In Study 2, male patients with AD performed better than estrogen non-using women with AD on several everyday memory tests, and women estrogen-users with AD performed similarly to the men. Both the men and estrogen-users had higher levels of E2 than the non-users. AD patients with higher endogenous levels of DHEAS performed better than those with lower levels on several everyday memory tests, and AD patients with higher CRT levels were impaired on one aspect of everyday spatial memory, Route Recall. In Study 3, no differences in hormone levels between AD patients and age-matched healthy elderly controls were found. The AD patients were most severely impaired on tasks involving explicit verbal recall compared to healthy controls, and least impaired on short-term memory and concentration tasks. The AD patients reported more dysphoric mood and mental dulling symptoms than healthy age-matched controls, but they did not report feeling less positive about the future. Taken together, these results suggest that higher levels of DHEAS and E2 are related to better memory performance in both healthy elderly men and women and in patients with AD, and higher CRT levels are associated with poorer explicit verbal memory performanc

Typescript. / "April 1987." / Includes bibliograpical references (leaves 160-194). / xii, 194 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Presents direct comparative information on growth and endocrinological aspects of reproductive development in intact and gonadectomized male and female Merino lambs born in autumn and treated prepubertally with either a non-aromatizable androgen (trenbolone acetate) with higher androgenic potency than testosterone, oestradiol -17beta(oestradiol), or a combination of these two steroid hormones. / Thesis (Ph.D.)--University of Adelaide, Dept. of Animal Sciences, 1988