Obstetrics and Neonatology: Pt 1

word parts, combining forms, diseases and disorders

gamete

mature fermentation cell, either sperm (male) or ovum (female)

conception

beginning of pregnancy, when the sperm enters the ovum (egg) — normally begins in the fallopian tubes

aka fertilization

zygote

cell formed by the union of the sperm and the ovum (egg)

embryo

unborn offspring in the stage of development from implantation of the zygote to the end of the 8th week of pregnancy — period is characterized by rapid growth of the embryo

fetus

unborn offspring from the beginning of the 9th wk of pregnancy until birth

gestation

development of a new individual from conception to birth (aka pregnancy)

gestation period

duration of pregnancy — normally 38 to 43 wks; divided into trimesters

implantation

embedding of the zygote in the uterine lining — process begins ~7 days after fertilization and continues for several days

placenta

structure that grows on the wall of the uterus during pregnancy and allows for nourishment of the fetus

commonly referred to as afterbirth

amniotic sac (amnionic sac)

membranous bag that surrounds the fetus before delivery

aka bag of waters

chorion

outermost layer of the fetal membrane

amnion

innermost later of the fetal membrane

amniotic fluid (amnionic fluid)

fluid w/n the amniotic sac (surrounds fetus)

umbilicus

navel (belly button); marks the site of attachment of the umbilical cord to the fetus

stria gravidarum

“stretch marks” on the abdomen, breast, butt, and thighs from weakening of elastic tissue

linea nigra

dark medial line extending from the pubis upward

chloasma

hyperpigmentation of blotchy brown macule usually evenly distributed over the cheeks and forehead

amni/o

amnion, amniotic fluid (i)

amnion/o

amnion, amniotic fluid

chori/o

chorion

fet/i, fet/o

fetus, unborn offspring

gravid/o

pregnancy (WR)

lact/o

milk

nat/o

birth

omphal/o

umbilicus, navel

par/o

bear, give birth to, labor, childbirth (R)

part/o

bear, give birth to, labor, childbirth (t)

puerper/o

childbirth (CW)

carcin/o

cancer

cephal/o

head

episi/o

vulva

esophog/o

esophagus (tube leading from throat to stomach)

hydr/o

water

hyster/o

uterus

olig/o

scanty, few

pelv/i

pelvis, pelvic cavity

prim/i

first

pseud/o

false

pylor/o

pylorus, pyloric sphincter

pylorus

portion of the stomach that connects to the small intestine; the pyloric sphincter is the ring of muscle btw the two

son/o

sound

terat/o

malformations

trache/o

trachea

ante-

before

dys-

painful, abnormal, difficult, labored

intra-

w/n

micro-

small

multi-

many

neo-

new

nulli-

none

poly-

many, much

post-

after

pre-

before

-a

noun suffix, no meaning (-a)

-al

pertaining to (-a)

-amnios

amnion, amniotic fluid (sufix)

-cele

hernia, protrusion

-centesis

surgical puncture to aspirate fluid (w. sterile needle)

-cyesis

pregnancy (suffix)

-e

noun suffix, no meaning (-e)

-gen

substance or agent that produces or causes

-genic

producing, originating, causing

-graphy

process of recording, radiographic imaging

-ic

pertaining to

-is

noun suffix, no meaning (-is)

-oma

tumor, swelling

-rrhexis

rupture

-stenosis

constriction or narrowing

-tocia

birth, labor

-tomy

cut into, incision

-um

noun suffix, no meaning (-um)

-us

noun suffix, no meaning (-us)