Sixth lecture
Singular
1. Words ending Plural
in a, remain the aMeaning
and add e
vertebra
vertebrae
backbones
bursa
bursae
Sacs of fluid near a joint
Singular
Plural
Meaning
Psychoses
Abnormal condition of the
mind
2. Words endingDiagnoses
in is , drop is andDetermination
add es of the nature
and cause of diseases

diagnosis
Psychosis
Singular
Plural
Meaning
apex
Apices
Pointed ends of
organs
Outer parts of
Cortex
Cortices
 3. Words ending in ex or ix , drop the ex or ix , andorgans
add ices .
Varix
Varices
Enlarged , swollen
veins
Singular
Plural
Ganglion
Ganglia
 4. Words ending in on , drop the on and add a
Meaning
Group of nerve
cells , begin cysts
near a joint ( such
as the wrist )
 5. Words ending in um , drop um and add a
Singular
Plural
Meaning
Bacterium
Bacteria
Type of one celled
organisms
ovum
ova
Egg cell
Singular
Plural
Bronchus
Bronchi
 6. Words ending in us , drop us and add i
Calculus
Calculi
Meaning
Tubes leading from the
windpipe to the lungs
Stones
exception : viruses and sinuses .
 Hematoma : oma means mass or tumor
 Is a mass of blood trapped in tissues of the skin or in an organ . And commonly
called a bruise ( black and blue )
 Hepat/o means liver
 hepatitis means inflammation of liver
Subungual hematoma : sub means under ungu/o means
nail , resulted from trauma to the toe
Lapar/o
Abdomen ( area
between the chest
and the hip )
Laparotomy
Tomy :means
incision
( cutting into )
An
exploratory
laparotomy is
a large
incision of the
abdominal
wall made to
inspect
abdominal
organs for
evidence of
disease .
Leuk/o
White
Leukocyte
Whit blood cell
Nephr/o
kidney
nephrectomy
Ectomy means
Cutting out of
cutting out ,
kidney
excision or
resection of an
organ or part of the
Neurology
The study of nerve
Oncologist
Ist mean specialist
Ophthalmoscope
Visual examining of the
eye
Osteoarthritis
Inflammation of the
bone joint
Tumor specialist