Sexual Dictionary - letter G

Galactorrhea
secretion of breast milk in women who are not breastfeeding an infant. Men can have galactorrhea, too, but it is less common. Common causes are :
  • hormone imbalance
  • tumors (usually benign), especially tumors of the pituitary gland
  • pregnancy
  • medicines
Gamete
a reproductive cell - eggs in woman and spermatozoa in man. Each gamete is haploid - has 23 (one half) of the total chromosomes needed for each new human being. When two gametes of the opposite sex will combine during fertilization will result a diploid zygote containing a full complement of chromosomes of the parents.
Ganglion
anatomical structure round or prolonged shaped, found on lymphatic vessel containing a collection of many neurons surrounded by a capsule.
Gardnerella
a group of bacteria which can be found in the vagina, most common Gardnerella Vaginalis and Gardneralla mobiluncus. Their uncontrolled growth due to changes in the normal vaginal pH lead to vaginal infection or Bacterial Vaginosis.
Gay
see homosexual.
Gender
a way to describe people. Some of these ways are male - female, man - woman, or boy - girl. A person's gender is decided during fertilization. A man's spermatozoon determines what the gender of a fetus will be.
Gene
a unit of heredity located on a chromosome.
Genetic
having to do with the genes. Hereditary.
Genital
having to do with reproduction.
Genital herpes
a highly contagious viral infection caused by herpes simplex virus type 2 (HSV - 2) that is usually transmitted by unprotected sexual contact. It is characterized by recurrent attacks of painful eruptions (outbreaks) on the skin and mucous membranes of the anogenital area.
Genital warts
wart-like sore or lesion typically found on the skin or mucous membranes of the anogenital area. It is caused by the Human Papilloma virus transmitted through unprotected sexual contact. Infection with HPV is most often present along with cervical cancer diagnose.
Genitals
the sex organs on the outside of the body, sometimes called "private parts". A woman's genitals are her vulva and clitoris. A man's genitals are his penis and testicles.
Genital organ
any of the organs of reproduction or generation, including, in the female, the vulva, clitoris, ovaries, uterine tubes, uterus, and vagina, and in the male, the penis, scrotum, testes, epididymides, deferent ducts, seminal vesicles, prostate, and bulbourethral glands.
Genitourinary system
see urogenital system.
Germ
a disease-causing microorganism.
Gestation
the period of development within the uterus from fertilization to birth. The period of gestation vary from a species to another - about 270 days in humans, 60 days in cats, 150 days in sheep, 620 days in elephants.
Giantism
abnormal growth of the body due to an excessive amount of growth hormone produced by the pituitary gland.
Gingivitis
inflammation of the gums.
Gland
an organ that releases a chemical. Endocrine glands are ductless and secrete hormones directly into the bloodstream. Exocrine glands secrete externally, either through a tube or duct.
Glandular tissue
body tissue that produces and releases one or more substances for use in the body. Some glands produce fluids that affect tissues or organs. Others produce hormones or participate in blood production (e.g. in the breast, glandular tissue is involved in the production of milk).
Glans
head of the penis. The glans is covered by the foreskin.
Gonadotroph
group of hormones secreted by the pituitary gland that have stimulating affects upon certain cells of the ovaries or the testicles.
Gonads
glands, part of the reproductive system :
Also they produce sexual hormones : testosterone, estrogen and progesterone.
Gonococcus
pathogen bacterium Neisseria gonorrhoeae, the causative agent of gonorrhea.
Gonorrhea
a sexually transmitted disease caused by Neisseria gonorrhoeae gonococcus. Often have no symptoms. When symptoms occur they might be :
  • in women
    • pain or burning when urinating
    • yellowish and sometimes bloody vaginal discharge
    • bleeding between menstrual periods
    • heavy bleeding with periods
    • pain when having sex
  • in men
    • pain or burning when urinating
    • yellowish and sometimes bloody penile discharge
Untreated gonorrhea can cause serious and permanent health problems like pelvic inflammatory disease (PID) or infertility. Due to weakening of the mucosal surface secondary to the gonorrhea infection, infection with gonorrhea increases the risk of becoming infected with HIV. Because gonorrhea wide spread and because it often doesn't produce symptoms, it is very important to take precautions by practicing safer sex.
Gram strain
a laboratory procedure that uses stains and colors to tell the difference between different cells.
Granulocytes
a type of white blood cells that helps the body fights infection.
Granuloma
a localized mass or nodule of inflammatory tissue due to an invasion by a foreign body or infectious disease.
Granuloma inguinale
a sexually transmitted disease caused by the organism Calymmatobacterium granulomatis. It is characterized by one or more painless, beefy-red open sores in the genital area present for a long time and progressively enlarging. Also called donovanosis.
Grippe
see influenza.
Group Sex
simultaneous and mutual sexual activity between three or more individuals.
G-spot
Grafenberg Spot area located in the upper wall inside of the vagina reported to be particularly pleasurable when stimulated.
Gynecology
the branch of medicine that deals with the study and treatment of reproductive diseases in women. The specialist is called gynecologist.
Gynecomastia
over development of male breast tissue. Usually benign and temporary.
Gynophobia
an abnormal and persistent fear of, aversion to, or discrimination against women.