Sexual Dictionary - letter R
a branch of medicine dealing with the diagnostics and therapeutics
any change in the skin which affects its appearance or texture. Rashes
may cause the skin to change colour, itch, become warm, bumpy, dry, cracked
or blistered, swell and may be painful.
- Rh factor
one of the
antigens present on red blood cells of
about 85% of people. Persons with the factor are designated Rh-positive, those
lacking the factor are designated Rh-negative. A Rh-negative mother carrying
fetus may initiate an immune response
against her baby's blood leading to
miscarriage. Blood for transfusions must
be compatible for this factor as well as for the
ABO blood group.
an acute contagious viral infection that causes a mild illness in children
(rash and fever) and slightly more severe illness in adults. The disease is
spread person-to-person through airborne particles. It's dangerous to pregnant
women during the early stages of pregnancy because it can cause birth defects.
Also called German measles.
an acute and highly contagious viral disease marked by distinct red spots
followed by a rash which occurs primarily in children. Sometimes can lead
to serious complications and death.
abbreviation from Ribonucleic acid;
a nucleic acid found in all living cells. Plays a role in transferring
DNA to the protein-forming system of
the process of generating offspring.
a crime wherein the victim is forced into sexual activity against his
or her will, including oral, vaginal or anal sex, or penetration with an
object by a person using physical force, threat, or coercion. If the act
occurs while the victim is unconscious, asleep or otherwise unable to
communicate unwillingness, it is still considered rape. Statutory rape -
sexual intercourse with a person who is under the statutory age of consent
even if done with the minor's consent. Rape it is considered to be among
the most severe crimes.
- Refractory period
the time period in the male's sexual response cycle immediately following
ejaculation during which man cannot
erection or cannot achieve orgasm although
partial or full erection may sometimes be maintained. The duration of the
refractory period can vary from just a few minutes to several days and there
is great variability in the length of the refractory period both within and
between men. This time period it is not present in the female's sexual response
- Reproductive system
major body organ systems responsible for reproduction and thus the survival
of the species.
- Reproductive system in male : testes which produce
spermatozoa, are located in
scrotal sac. It consists of approximately 1000 highly coiled seminiferous
tubes with total length of 250 meter. Vas efferentia, fine tubes, connects
from seminiferous tubes to the epididymis, where spermatozoa are stored. From there,
vas deferens joins to the urethra, a tube connecting from urinary bladder to
the exterior that goes through penis. Erectile tissue, also located in penis,
causes erection during periods of sexual excitement. Seminal vesicles, prostate
glands, and Cowper's glands produce seminal fluid lubricate the passenger
through which semen travel, and the semen is transferred to the female during
- Reproductive system in female : the eggs are produced by ovaries, which is
about 3 cm long, and they are passed into uterus, through one of the two
fallopian tubes. Uterus, which is about the size of clenched fist, is where
embryo develops. It is covered with thick walls of smooth muscles, and mucous
lining. The vagina, serves as a birth canal, and a receptacle for sperm and
it connects vagina to the exterior. Vulva, the external female organs include, l
abia majora, labia minora, and clitoris. Labia majora and Labia minora enclose
the opening of urethra and vagina. Clitoris is a sensitive erectile organ,
which responds to erotic stimulation.
- Retrograde ejaculation
the flow of
semen backward into the
bladder rather than forward through the
penis. May be caused by prostate or
urethral surgery, diabetes or some medications.
Also called reverse ejaculation.
lower end of the large intestine, leading to the
- Red blood cells
the blood cells that carry oxygen from the lungs throughout the body
to all the tissues and take carbon dioxide back to the lungs from the tissue.
Red blood cells have a high concentration of hemoglobin witch is carrying
agent and gives blood its red color.
Red blood cells are also called
- Retroverted uterus
uterus that is bended backward. The
uterus is normally bended slightly forward toward the belly, on top of the
bladder. Retroverted position of the
uterus within the pelvis can be caused by laxness of the supporting pelvic
ligaments, a tumor, scar tissue that forms
in the pelvis as a result of salpingitis,
pelvic inflammatory disease, or
endometriosis, or as the result of a
- Rhythm method
a form of natural
birth control method which can work by
timing intercourse according to the consistency of the woman's
The only 100 % risk free sex is the one you don't have.
Sex is a matter of quality, not quantity.