Unit 12 Roots

Root Word Definition
abort
abort/i
early termination of a pregnancy
abruptio Latin word for sudden breaking off
abstinence choosing to not have sex
actin cytoskeletal protein
albicans Latin word for whitening
amnio
amnion
amnios
membrane surrounding the fetus
angi vessel
anomaly something out of the ordinary
antron an anatomical cavity
arche beginning
areola pigmented circle around a nipple
balan
balan/o
glans of the penis
blast
blast/o
a rapidly dividing cell
bulb/o the bulb (base) of the penis
Cæserian from a Roman emperor (Julius Cæsar)
carcin cancer
card/i/o heart
cavernosum Latin word for cavernous, open space
cele hernia
cephal/o the head
cervic
cervic/o
cervix
the muscular sphincter between the uterus and vagina
Chlamydia genus of obligate intracellular parasites
chorio
chorion
outermost membrane surrounding a fetus; contributes to the formation of the placenta
circumcision removal of the prepuce (foreskin) of the penis with a circular incision
clitoris female genital erectile tissue that plays a major role in sexual arousal
coitus the act of sexual intercourse
colp
colp/o
vagina
conception the process of sperm penetrating egg which begins human development
condom a sheath over the penis used for disease prevention and/or contraception
corpora body (plural)
corpus body (singular)
cremaster involuntary muscle causing retraction of the testicles
crypt hidden chamber
cyesis pregnancy
cyst fluid-filled space
cyt/e
cyt/o
cell
dartos thin layer of smooth muscle under the male scrotum or female labia majora
decidua the mucous membrane of the uterus; shed during menstruation
derm skin (in this context, refers to one of the layers of the developing embryo)
didymis testicle
dyna force (of uterine contractions); cf. dynamic
eclampsia convulsions of the mother during pregnancy caused by high blood pressure
ejacula expulsion of semen from the male urethra
embryo/n a developing infant from conception to week 10 (of 40)
epision perineum, the area between the vaginal opening and the anus
fertil[e] capable of bearing or creating a child
fetus a developing infant from week 10 to birth (at about 40 weeks)
fil[um] thread-like structure
fimbria structures between the uterine (Fallopian) tubes and ovaries that help an ovum enter the tubes
fraternal related like brothers
gastrula embryonic stage characterized by an inpocketing and folding
genitus the time of birth
gest carrying an infant
glans enlarged, pigmented area at the end of the penis or clitoris
gon/ad/o organs of reproduction (male testis and/or female ovaries)
granulosa type of cell in the uterus
gravida pregnancy
gravidarum pregnant person
gynec/o women
hem/at/o
hem/o
blood
hermaphrodite individual showing physical characteristics of both sexes
herpes virus that causes a blistering, painful rash
hydr
hydr/o
water
hymen membrane covering the vaginal canal
hyster
hyster/o
uterus
in vitro "in glass", that is, performed in a laboratory
inhib[it] to hold back
labia
labi/o
lips, in this context, the lips around the vulva
lact/o breast milk
lapse to slip or fall
lei/o smooth (muscle)
leuk/o white or colorless (in this context, refers to a vaginal discharge)
ligat[e] tied together
lith/o stone
luteum Latin word for yellow
majora Latin word for major
mamm/o breast
mast/o breast
megal/o enlargement
men/o menstruation
menstru[s] menstruation
metr/i
metr/o
womb
minora Latin word for minor
my
my/o
muscle
myc fungus
nat
nat/o
birth
nephr kidney
nucleus in this context, the center of a cell, where DNA is stored and RNA is made
oo egg
oophor
oophor/o
ovary (oo + phor, "egg carrier")
orch
orch/i
orch/i/o
orchid
orchid/o
testicle
organ/o internal organs
orifice opening
ovar/i/o ovary
ovum egg; female gamete
oxy oxygen
Papanicolaou name of a Greek-American physician who is credited with the invention of the Pap smear
papilla nipple
pareun sexual intercourse (literally, "lying with")
partum Latin, giving birth
pause coming to a stop
pelv/i the hip bone and structures contained in it (pelvis)
penis the male sexual organ
perine/o the area between the genitals and anus
phleb vein
placenta placenta (singular)
placentae placenta (plural)
prepuce foreskin
previa Latin, previous, in front of
Priapos embodiment of male fertility in Greek mythology
prostat
prostat/o
prostate gland
pubo pubic
py/o pus
recto rectum
relax the opposite of contraction of a muscle
rete net
salping
salping/o
salpinx
uterine tubes; Fallopian tubes
scrot scrotum
semen
semin
sperm plus glandular secretions
sex the physical characteristics of males or females
som
som/ato
body
sono sound
speculum instrument for looking inside the vagina
sperm
sperm/at/o
sperm/i
sperm/o
sperm; male gamete
spermatid developmental stage of a spermatozoon
spongiosum Latin, "like a sponge"
sten abnormal narrowing
stet/r standing; with ob–, standing in front of, as a midwife
suckl[e] draw milk from mother's breast
sustentacul[um] a body part that suspends another
syphilis sexually transmitted disease
terat/o mutations or malformations (especially of a fetus)
test
testic
testicle
thele nipple
toc
toc/o
labor; active childbirth
top/o place
Toxoplasma genus of single-celled parasites
Trichomonas genus of single-celled parasites
tropho nourishment, growth
urethr/o tube between the bladder and the outside world
uter womb
vagin/o vagina (the passage from the uterus to the vulva)
varico
vas deferens vessel that conducts sperm from the testicle to the urethra
vas/o vessel
vesico urinary bladder
vesicul/o seminal vesicle
virus infectious packet of nucleic acid (DNA or RNA)
vulv/o the outer genitalia of the female
zoo life, living
zygote fertilized egg before the first division (i.e. stage between fertilization and embryo)

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