endo/cardium within the heart
endo/venous within the vein
outer, out ectoderm outer skin
exocardial outer heart
exoskeleton outer bone
over, above, high hyperglycemia under, below, low hypoglycemia
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Forming terms with Prefixes and Roots
• half a heart
• behind the eye
• a fused conditon or immovable joint
• below or under the skull
• the part of the heart in the middle line of the thorax
(inflammation of the tissure around a tooth)
2020/3/13
1
Prefixes
Prefix
ab-
ad-
prepostanti-
Meaning Example Meaning
away from ab/ductor
that which draw away from展肌,外展肌
septic (producing antiseptic
or resulting from decay) (checking or halting decay)
kinesis (motion) dyskinesia 运动障碍
(difficulty of movement)
odontitis
periodontitis 牙周炎
Prefixes
Root
derm
sept kines odont
Root+Suffix Prefix+Root+Suffix
dermic(pertaining hypodermic(beneath the
to the skin)
skin, an injection beneath the skin)
above different large, enlarge without, not within, inner outer, out below around same small
2020/3/13
8
Review Exercise
WORD
• 1. anemia • 2. ectoderm • 3. endocarditis • 4. heterosexual • 5. homosexual • 6. hypodermic • 7. hyperemia • 8. megalocephalic • 9. microdont • 10. periosteum
middle
syncerebrum synpodia sub/glossal sub/derm/al
mes/o/cephal/lic
mesoderm
Meaning
living together
[生]共生(现象)
(昆虫的) 合脑
无足并腿畸形
under the tongue
under the skin
middle or medium-sized head 皮肤中胚层
microbiology
2020/3/13
3
Prefixes
Prefix Meaning Example Meaning
hemi-
half
hemi/gast/r/ec/tomy cutting out or removal of half of the stomach
hemiparalysis 偏瘫，半身不遂
• hemi/card/ia • post/ocul/ar • syn/arthr/osis
• sub/crani/al
• meso/card/ia
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Prefixes
Prefix
endoect, ex/o
hyper-
hypo-
Meaning Example Meaning
within
toward, near ad/ductor
that which draws toward收肌，内收肌
before after against
pre/anal post/anal antisepsis
before the anus
after the anus 防腐(法), 消毒(法), 灭 菌(法)
bad, difficult dys/enter/y bad intestine (or
intestinal disorder)
different
heterosexual 异性的；异性恋的
same
homosexual 同性恋的
large,enlarge megacephaly 巨头,巨头畸形
small
retrobehind the tongue
backward
retro/lingu/al
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Prefimes/o-
Meaning Example
with
sym/bio/sis
together, beside (fused)
below, under
2020/3/13
2
Prefixes
Prefix
peripar/a-
dys-
heterhommegmicro-
Meaning Example Meaning
around
peristalsis (肠壁的)蠕动
beside
par/a/nephr/itis inflammation beside the kidney
MEANING
• 贫血 • 外胚层 • 心内膜炎 • 异性恋的 • 同性恋的 • 皮下的 • 充血 • 巨头的 • 小牙 • 骨膜
2020/3/13
9
Review Exercise
• PREFIX
high sugar in the blood
low sugar in the blood
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7
Match the prefixes to the meanings
• an • ect, ex • end, en • heter • hom • hyper • hypo • meg • micr • peri