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dactyl-
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(dak-til-)
(to do with a) finger or
toe.
General terms :
Root words
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deferent duct
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part of the spermatic
cord running from the testis
to the seminal vesicle; also
called the vas deferens.
Body system
terms : Reproductive system
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deltoid
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(del'toyd)
muscle of the upper arm
which abducts, flexes or extends the arm.
Body system
terms : Musculoskeletal system
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dendrite
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(den'drite)
extension of a nerve cell carrying electrical impulses
to the cell body.
Body system
terms : Nervous system
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dental caries
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(kair'eez)
tooth decay.
Diseases &
procedures : Diseases
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derm-
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(durm-)
(to do with the) skin.
General terms :
Root words
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dermatitis
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(dur-mur-ty'tis)
inflammation of the
skin from any cause.
Diseases &
procedures : Diseases
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dermis
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(dur�mis)
the thick layer of living
tissue in the skin that lies below the
epidermis (also called the corium); adjective:
dermal.
Body system
terms : Skin and subcutaneous tissue
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descending colon
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third part of the
colon, from the splenic flexure
to the sigmoid colon.
Body system
terms : Digestive system
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-desis
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(-dee-sis)
binding, fusion
e.g.
arthrodesis = surgical fixation of a joint.
General terms :
Suffixes
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diabetes mellitus
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(dy-a-bee'teez mel'i-tus)
a disorder
caused by insufficient or absent production of the hormone
insulin by the
pancreas.
Diseases &
procedures : Diseases
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diaphragm
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(dy�ah-fram)
the musculomembranous
'partition' between the chest cavity and abdominal cavity which
acts as a bellows in breathing.
Body system
terms : Respiratory system
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diaphysis
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(dy-af'i-sis)
shaft of a long bone;
plural: diaphyses.
Body system
terms : Musculoskeletal system
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diarthrosis
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(dy-arth-roh'sis)
a synovial joint.
Body system
terms : Musculoskeletal system
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diastole
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(dy-ass'toh-lee)
relaxation of the
ventricles between heart
contractions.
Body system
terms : Blood, and the circulatory system
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diffusion
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(di-fyoo�zhun)
the movement of
molecules of a liquid or gas from a higher to a lower
concentration.
Body system
terms : Respiratory system
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digestion
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(di-jes'chun)
process by which
ingested food is converted for absorption and used as nutrients
for body cells.
Body system
terms : Digestive system
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digestive system
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(di-jes�tiv)
the group of structures
concerned with the process of digestion (
alimentary canal and accessory
organs).
Body system
terms : Digestive system
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disc prolapse
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(disk pro'laps)
condition where an
intervertebral disc ruptures and part of its core protrudes,
causing pain and occasionally pressure on either a nerve root or
the spinal cord.
Diseases &
procedures : Diseases
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dislocation
|
(dis-loh-kay'shun)
complete
displacement of two bones within a joint
so that they are no longer in contact.
Diseases &
procedures : Diseases
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distal
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(dis'tul)
farthest from (any point of
reference).
General terms :
Views of the body
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distention
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(dis-ten�shun)
being stretched or
enlarged by gas or liquid.
Body system
terms : Urinary system
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dorsal
|
(dor'sul)
toward or relating to the
back surface of (any point of reference); also called posterior.
General terms :
Views of the body
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dorsiflexion
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(dor'see-flek�shun)
backward flexion of the foot, hand, toes or
fingers - bending towards the upper surface.
General terms :
Movements of the body
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ductless gland
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a gland without excretory ducts or
channels.
Body system
terms : Endocrine system
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duodenum
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(dyoo-o-dee�num)
first portion of
small intestine, about 250 mm long,
extending from the stomach to the
jejunum.
Body system
terms : Digestive system
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dys-
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(diss-)
bad, improper
e.g.
dysphagia = difficulty in swallowing.
General terms :
Prefixes
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dysmenorrhoea
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(dis-men-oh-ree'er)
pain or discomfort
during or just before menstruation.
Diseases &
procedures : Diseases
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