Chapter 8 Quiz Flashcards
(18 cards)
The peptide hormone _________________________ has many effects on the body including involvement in milk letdown of breastfeeding mothers as well as feelings of bondedness.
Oxytocin
Fill in the Blank: 5α-reductase enzyme converts testosterone into _________________ which is needed to masculinize male genitalia.
dihydrotestosterone
DHT
Fill in the Blank: _______________ are chemicals released to affect the behavior of another species.
Allomones
The action of testosterone on developing embryos to create masculinized genitalia is an example of organizational effect of _______________
hormones
Peptide and amine hormones act by binding with receptors on the cell membrane while steroid hormones will _______ through the membrane.
pass
The hypothalamus controls gonadal hormone production by releasing __________________ (GnRH) into the median eminence.
gonadotropin releasing-hormone (GnRH)
Lordosis is a normal part of female rate sexual _____________
behavior
Testes and ovaries both produce steroid ________________
hormones
When considering sexual determination, in the absence of the Sry gene in the developing embryo, the indifferent gonad will become an ____________
ovary
The research of Simon LeVay showed that brains of heterosexual males have __________ INAH-3 clusters than homosexual males or heterosexual females.
larger
True/False: An XY individual born with androgen insensitivity syndrome will outwardly appear and report feeling like a male and even have a high level of testosterone in their body.
False
In females, the Mullerian ducts develop into the _____________ tubes, the uterus, and inner vagina - while the Wolffian ducts shrink.
fallopian
Oral contraceptives contain small doses of synthetic _________________ and/or progestins, which exert a negative feedback effect on the hypothalamus, inhibiting the release of GnRH.
estrogens
Vomeronasal organ is a collection of receptor cells near the olfactory epithelium that __________ pheromones.
detects
Sexual differentiation is the process by which individuals develop either male-like or female-like bodies and ______________
behavior
Pheromone is a _______________ signal released outside of the body of an animal and effects members of the same species
chemical
Pituitary Stalk is a thin piece of tissue that _____________ the pituitary gland to the hypothalamus
connects
Tropic hormone- any of a class of anterior pituitary hormones that affect the secretion of hormones by other ____________
glands
