Sexual Development and Behavior Terms

Question 1

Effects of reproductive hormones on anatomy vs on behavior

Answer 1

organizing vs activating

Question 2

class of reproductive hormones found in greater proportion in Females vs Males

Answer 2

estrogens vs androgens

Question 3

sex chromosomes typical of females vs males, which help determine gender

Answer 3

XX vs XY

Question 4

systems of ducts in fetus that become part of internal reproductive organs of Males vs Females

Answer 4

wolffian vs muellerian

Question 5

a male hormone, produces by testes, responsible for development of male anatomy and behavior

Answer 5

testosterone

Question 6

another male hormone that inhibits development of female system of internal ducts

Answer 6

Anti-Muellerian Hormone

Question 7

enzyme produced by “switch” on Male chromosome that leads to the development of gender

Answer 7

Testis-Determining Factor (TDF)

Question 8

condition in which genetic-male fetus does not respond to Male hormones and thus develops as female

Answer 8

Androgen-Insensitivity

Question 9

condition in which fetus lacks Y chromosome, develops internally & externally as infertile Female

Answer 9

Turner’s Syndrome

Question 10

a female hormone, (similar to Testosterone) that, once inside fetal cells, promotes male development

Answer 10

estrogen ( estrodial < correct )

Question 11

chemical in fetal blood that prevents mother’s hormones from entering fetal cells and masculinizing fetus

Answer 11

Alpha-Fetoprotein

Question 12

area of hypothalamus w/receptor sites for Male hormones, esp active during Male sexual behavior

Answer 12

Medial Preoptic Area (MPOA)

Question 13

above includes this nucleus which is 2.5X larger in Males than Females

Answer 13

Sexually Dimorphic Nucleus (SDN)

Question 14

Part of above nucleus that is smaller in both females & homosexual males

Answer 14

INAH3

Question 15

area of hypothalamus w/ receptor sites for female hormones, esp active during female sexual behavior

Answer 15

Ventro-Medial Hypothalamus (VMH)

Question 16

fibers connecting cortical hemispheres which is thicker in Females, who are thus less-lateralized

Answer 16

corpus callosum

Question 17

hormones released by hypothalamus causing anterior pituitary to release its reproductive hormones

Answer 17

Gonadotropin-Releasing (GnRH)

Question 18

two Gonadotropic hormones that stimulate development and behavior in both genders

Answer 18

LH & FSH

Question 19

Male hormone released by Female Adrenal Glands, stimulates secondary hair growth & sexual behavior

Answer 19

androstenedione

Question 20

area near basal forebrain associated with the sensation of sexual pleasure

Answer 20

Nucleus Accumbens

Question 21

NT released by above area in response to sexual stimulation

Answer 21

dopamine

Question 22

hormone released by posterior pituitary at time of orgasm

Answer 22

oxytocin

Question 23

hormone released by anterior pituitary for refractory period in Males and milk production in Females

Answer 23

Prolactin

Question 24

part of tegmentum active esp. in Females during sex

Answer 24

Periaqueductal Gray Area (PAG)

Question 25

NT released by above area, including to suppress potential for pain

Answer 25

endorphins