Bio_1A_Lecture_23_Repro-2 - Regulation of sexual...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Gonadotrophin- Releasing Hormones ( Gn-RH) Gonadotrophins Follicle Stimulating Hormone Luteinizing Hormone Gonadal Steroids Regulation of sexual characteristics in the female ovary ovulation corpus luteum Estrogen Progesterone (or +tive feedback)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Somatic tissue Mammary Glands Reproductive Organs anterior pituitary LH - stimulates corpus luteum to secrete progesterone ( interstitial cells/testosterone) FSH - stimulates maturation of follicle (or sperm) In FEMALE adenohypophysis = anterior pituitary
Background image of page 2
Oogenesis in the female ovary 2n, 2c 2n, 4c 1n, 2c 1n, 1c 1n, 1c (arrested at this stage at birth, until puberty) Mature sperm Differences in oogenesis & spermatogenesis 1. Unequal in size & number 2. Period of activity 3. Oogenesis, long resting periods
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Female reproductive cycle in the absence of fertilization Gonadotrophins Gonadal Steroids Ovarian Cycle Menstrual Cycle (or estrus cycle in most mammals) Ovarian changes Uterine wall LH FSH Estrogen Progesterone ovulation Luteal phase Follicular phase Progesterone Estrogen 0 14 28 days (corpus luteum)
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/29/2009 for the course BIO biology taught by Professor Meighan during the Fall '09 term at University of California, Berkeley.

Page1 / 10

Bio_1A_Lecture_23_Repro-2 - Regulation of sexual...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online