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bio psych | PSYC - Biopsychology, Quizzes of Biological Psychology

start... chap 9 Class: PSYC - Biopsychology; Subject: Psychology; University: University at Buffalo - The State University of New York; Term: Forever 1989;

Typology: Quizzes

Pre 2010

Uploaded on 10/25/2009

juliakes
juliakes 🇺🇸

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TERM 1
organizational effect
DEFINITION 1
The effect of a hormone on tissue differentiation and
development, occurs during prenatal development
TERM 2
activational effect
DEFINITION 2
Second role of sex hormones. occur in a fully developed
organism and effects may depend on organisms prior
exposure to organizational effects hormones.
TERM 3
Sry
DEFINITION 3
the sex determining gene on the y chromosome whose
product instructs the undifferentiated fetal gonads to
develop into testes.
TERM 4
Mullerian system
DEFINITION 4
the embryonic precursor to the female internal sex organs.
TERM 5
Wolffian system
DEFINITION 5
the embryonic the precursor to the male internal sex organs.
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organizational effect

The effect of a hormone on tissue differentiation and development, occurs during prenatal development TERM 2

activational effect

DEFINITION 2 Second role of sex hormones. occur in a fully developed organism and effects may depend on organisms prior exposure to organizational effects hormones. TERM 3

Sry

DEFINITION 3 the sex determining gene on the y chromosome whose product instructs the undifferentiated fetal gonads to develop into testes. TERM 4

Mullerian system

DEFINITION 4 the embryonic precursor to the female internal sex organs. TERM 5

Wolffian system

DEFINITION 5 the embryonic the precursor to the male internal sex organs.

anti-Mullerain hormone

peptide secreted by the fetal testes (Wolffian system) that inhibits the development of the Mullerain system which would otherwise become the female anatomy. used to defeminize TERM 7

defeminizing effect

DEFINITION 7 An effect of a hormone present in early development (anti- Mullerain hormone) that reduces or prevents the later development of female anatomy. TERM 8

androgen

DEFINITION 8 Androgen is a male sex steroid hormone secreted by the Wolffian system. 2 types testosterone is the principal type found in males and dihydrotesterone. TERM 9

masculinizing effect

DEFINITION 9 effect of a hormone (androgen) early in development that promotes the later development of anatomical or behavioral characteristics typical of males. TERM 10

dihydrotestosterone

DEFINITION 10 an androgen produced from testosterone by the enzyme 5- reductase.

luteinizing hormone

(LH) a hormone produced by the anterior pituitary gland that causes ovulation and devolopment of the ovarian follicle into a corpus luteum. TERM 17

estradiol

DEFINITION 17 produced by the ovaries the main type of estrogen in humans. responsible for maturation of female anatomy breasts fat deposits uterine lining inhibition of bone growth and sexdrive. if incresed stimulates surge of LH TERM 18

estrogen

DEFINITION 18 a class of sex hormones that cause female characteristics. TERM 19

menstrual cycle

DEFINITION 19 reproductive cycle in females controled by hormones of the pitutary glands and ovaries where uteral lining builds, ovulation occurs, the corpus luteum develops an without pregnancy mensuration occurs. cycle in non primates = estrous cycle. TERM 20

corpus luteum

DEFINITION 20 after ovulation ,under the influence of LH, the ruptured ovum becomes a cluster of cells that secrets estradiol and progesterone.

progesterone

a steroid hormone produced by the ovary that maintains the lining of the uterus durring the later part of the mentral cycle an inhibits the ovaries from producing another follicle ... and durring pregnancy(along with estradiol) it promote receptivity in mamals on the estrous cycle. TERM 22

pheromone

DEFINITION 22 a chemical released that affects the behavior or physiology of another animal TERM 23

Lee-boot effect

DEFINITION 23 is a phenomenon concerning the slowing an eventaul stop of oestrous cycles of rodents, when females are housed in groups and isolated from males. caused by a pheramone in the animals urine. TERM 24

Whitten effect

DEFINITION 24 synchronization of the menstrual/estrous cycle of a group of females which occurs only when a male pheromone is present. TERM 25

Vandenbergh effect

DEFINITION 25 is a phenomenon in which an early induction of the first estrous cycle in prepubertal female mice as a result of exposure to the pheromone-laden urine of a sexually mature (dominant) male mouse.