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The Adolescent
Chapter 4 vocab
66
Psychology
Undergraduate 2
01/20/2011

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Term
endocrine glands
Definition
structures in the body that produce hormones
Term
hormones
Definition
biochemical substances secreted into the bloodstream by the endocrine glands that act as an internal communication system that tells different cells what to do
Term
hypothalamus
Definition
a small area of the brain that controls motivation, emotion, pleasure, and pain in the body; that is, it controls eating, drinking, hormonal production, menstruation, pregnancy, lactation and sexual response and behavior
Term
gonadotropin-releasing hormone (GnRH)
Definition
a hormone secreted by the hypothalamus that controls the production and release of FSH and LH from the pituitary
Term
pituitary gland
Definition
master gland of the body located at the base of the brain
Term
gonadotropic hormones
Definition
hormones that are secreted by the pituitary and that influence the gonads, or sex glands
Term
follicle-stimulating hormone (FSH)
Definition
a pituitary hormone that stimulates the maturation of the follicles and ova in the ovaries and of sperm in the testes
Term
luteinizing hormone (LH)
Definition
a pituitary hormone that stimulates the development of the ovum and estrogen and progesterone in females and of sperm and testosterone in males
Term
human growth hormone (HGH)
Definition
a pituitary hormone that regulates body growth
Term
gonads
Definition
the sex glands: testes and ovaries
Term
ovaries
Definition
female gonads, or sex glands, that secrete estrogen and progesterone and produce mature egg cells
Term
estrogens
Definition
feminizing hormones produced by the ovaries and, to some extent, by the adrenal glands
Term
progesterone
Definition
a female sex hormone produces by the corpus luteum of the ovary
Term
corpus luteum
Definition
a yellow body that grows from the ruptured follicle of the ovary and becomes an endocrine gland that secretes progesterone
Term
testes
Definition
the male gonads that produce sperm and male sex hormones
Term
androgens
Definition
a class of masculinizing sex hormones produced by the testes and, to a lesser extent, by the adrenals
Term
testosterone
Definition
a masculinizing sex hormone produced by the testes and, to a lesser extent, byt the adrenals
Term
adrenal glands
Definition
ductless glands, located just above the kidneys, that secrete androgens and estrogens in both men and women, in addition to the glands' secretion of adrenaline.
Term
spermatogenesis
Definition
the process by which sperm are developed
Term
inhibin
Definition
a hormone produced in the testes to regulate FSH secretion and sperm production
Term
Sertoli cells
Definition
cells int he testes that produce the hormone inhibin
Term
scrotum
Definition
the pouch of skin containing the testes
Term
epididymis
Definition
a system of ducts, running from the testes to the vas deferens, in which sperm mature and are stored
Term
vas deferens
Definition
the tubes running from the epididymis to the urethra that carry semen and sperm to the ejaculatory duct
Term
seminal vesicles
Definition
twin glands that secrete fluid into the vas deferens to enhance sperm viability
Term
prostate gland
Definition
gland that secretes a portion of the seminal fluid
Term
urethra
Definition
the tube carrying the urine from the bladder to the outside; in males, it also carries the semen to the outside
Term
penis
Definition
the male organ for coitus and urination
Term
anabolic steroids
Definition
the masculinizing hormone testosterone taken by athletes to build muscle mass
Term
Cowper's glands
Definition
small twin glands that secrete a fluid to neutralize the acid environment of the urethra
Term
nocturnal emissions
Definition
male ejaculation during sleep
Term
semenarche
Definition
a recently coined term for a boy's first ejaculation; derived from the term menarche.
Term
vulva
Definition
collective term referring to the external genitalia of the female
Term
vestibule
Definition
the opening cleft region enclosed by the labia minora
Term
hymen
Definition
the tissue partly covering the vaginal opening
Term
Bartholin's glands
Definition
glands on either side of the vaginal opening that secrete fluid during sexual arousal
Term
vagina
Definition
the canal from the cervix to the vulva that receives the penis during intercourse and acts as the birth canal through which the baby passes to the outside
Term
labia majora
Definition
major or large lips of tissue on either side of the vaginal opening
Term
labia minora
Definition
smaller lips or tissue on either side of the vagina
Term
clitoris
Definition
a small shaft contiaining erectile tissue, located above the vaginal and urethral openings,t hat is highly responsive to sexual stimulation
Term
mons veneris
Definition
mound of flesh (literally "mound of Venus") in the female located above the vagina, over which pubic hair grows.
Term
uterus
Definition
the womb in which the baby grows and develops
Term
fallopian tubes
Definition
tubes that transport the ova from the ovaries to the uterus
Term
menarche
Definition
first menstruation
Term
anaovulatory
Definition
without ovulation
Term
prostaglandins
Definition
hormones that cause smooth muscle contractions and contribute to dysmenorrhea and menhorrhagia
Term
antiprostaglandins
Definition
drugs that destroy prostaglandins and can reduce menstrual distress
Term
secondary sexual characteristics
Definition
features not directly related to reproduction that distinguish male from female bodies
Term
osteoporosis
Definition
a condition in which the bones become brittle due to calcium loss
Term
leptin
Definition
a hormone that helps trigger puberty
Term
gynecomastia
Definition
a phenomenon experienced by some young male adolescents in which their breasts temporarily swell as they enter puberty
Term
secular trend
Definition
the trend to mature sexually at earlier ages
Term
ectomorph
Definition
tall, slender body build
Term
endomorph
Definition
short, heavy body build
Term
mesomorph
Definition
medium, athletic body build
Term
mortality
Definition
the probability of dying
Term
obesity
Definition
overweight; excessively fat
Term
metabolic rate
Definition
the rate at which the body utilizes food and oxygen
Term
melatonin
Definition
the hormone that the brain produces to induce sleep
Term
acne
Definition
pimples on the skin cause by overactive sebaceous glands
Term
merocrine glands
Definition
sweat glands distributed over the entire body
Term
apocrine glands
Definition
sweat glands located primarily in the armpits and groin where secretions cause body odor
Term
sebaceous glands
Definition
oil-producing skin glands whose secretion can cause acne if the gland's pores become blocked
Term
papules
Definition
tender,raised red bumps that are precursors to pimples
Term
pustules
Definition
the medical term for pimples
Term
cysts
Definition
large, deep pimples that can cause scarring.
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