Flashcards
Sex and Placental Hormones
Flashcards do conjunto (16)
- 1Sex and Placental Hormones: a different hormone program depending on your sex
- 2Sex hormones are ... that do their effect on the gonads, other parts of the reproductive system and other ... tissues.(steroids; non-reproductive)
- 3The primary reproductive organs are the gonads (... in males and ovaries in females) and the accessory reproductive organs are ... and glands. Their functions are ... and secretion of sex hormones.(testes; ducts; gametogenesis)
- 4In the ovaries, ... and ... are produced. In the testes, testosterone is produced (part converted into ... ), and also small amounts of estrogens.(progesterone; estradiol; dihydrotestosterone)
- 5In both, cells surrounding germ cells secrete mainly ... (granulosa cells, Sertoli cells), and cells separated of germ cells secrete mainly ... (theca cells, Leydig cells).(estrogens; androgens)
- 6Which are the main functions of gonadal hormones?- Production of gametes
- Stimulation of development and function of sex organs
- Regulation of secretion of hypothalamic-pituitary hormones
- Regulation of the specific physiological functions of each sex
- Maintaining the embryo during the early stages of gestation - 7Gonadotropin Release Hormone (GnRH) initiates the cascade in the control of reproductive functions stimulating the release of ... and ... .(FSH; LH)
- 8FSH stimulates/increases the secretion of ... , the transcription of ... (for estradiol), the ... receptor number.(estrogens; aromatase; LH)
- 9LH stimulates/increases the synthesis and secretion of ... and a little estrogens, the entry of ... in mitochondria and its conversion to pregnenolone, and the concentration of ... enzymes.(androgens; cholesterol; steroidogenic)
- 10There is a ... feedback in the maintenance of testes hormones levels. Anterior pituitary releases LH and FSH ... Sertoli and Leydig cells (which stimulates Sertoli as well) and, inhibitin and testosterone produced, ... anterior pituitary hormone release, and hypothalamus in case of testosterone.(negative; stimulating; inhibit)
- 11The ovarian follicle... - Maintains, nourishes and ... the oocyte and ... it and the proper moment - Provides ... support to the foetus until placenta takes the role(Matures; releases; hormonal)
- 12The oogenesis and follicular cycle is a magical process because before the childbirth, all the ... are formed and the ... is prepared 6 months after birth and arrested until ... .(oogonia; follicle; sexual maturation)
- 13Gamete formation and follicular development
- 14The follicular phase is related to ... peak of hormones right before ... and the midluteal and luteal with a ... one.(estradiol; ovulation; progesterone)
- 15Placenta synthesizes ... , relaxin, human ... gonadotropin, human placental ... and estrogens.(progesterone; chorionic; lactogen)
- 16Hormonal effects on the reproductive tract due to estradiol and progesterone in... Fallopian tubes: facilitate ... of egg and sperm. Uterus: induces development and thickening of endometrium and secretion of substances that facilitate ... of sperm into the uterine cavity; development of endometrium, accumulates ... and decreases the secretion of mucus. Vagina: increases number of cell ... of vaginal ... and vaginal secretions.(movement; entry; glycogen; layers; epithelium)
Informações
- Descrição
- Grado Biotecnología Animal Physiology FlashCards sobre Sex and Placental Hormones, criado por Valentín Ángel Limón em 20-12-2020.
- Criado por
- Valentín Ángel Limón
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