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General terms

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Body system terms

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Musculoskeletal system

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Skin and subcutaneous tissue

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Blood, and the circulatory system

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Nervous system

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The eyes

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The ears

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Respiratory system

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Digestive system

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Urinary system

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Endocrine system

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Reproductive system

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Diseases & Procedures

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Diseases

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Procedures

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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Terms starting with I:

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-iasis   

(-i-ay-sis)
process or condition resulting from
e.g. lithiasis = formation of stones.

General terms : Suffixes

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-ic   

(-ik)
pertaining to
e.g. gastric = pertaining to the stomach.

General terms : Suffixes

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ile-, eile-   

(il-i-, eye-li-)
(to do with the) distal portion of the small intestine called the ileum.

General terms : Root words

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ileal conduit   

(il'ee-ul con'dwit)
the use of part of the small intestine (ileum) as a disposal route for urine by implanting the ureters into it after surgical removal of the urinary bladder .

Diseases & procedures : Procedures

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ileum   

(il�i-um)
the third portion of the small intestine which joins the caecum at a right angle.

Body system terms : Digestive system

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ili-   

(il-i-)
(to do with the) fused part of the pelvic bone called the ilium.

General terms : Root words

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ilium   

(ill'ee-um)
the uppermost of the three bones fused together in the acetabulum to form the pelvis.

Body system terms : Musculoskeletal system

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incus   

(ing�kus)
one of the three auditory ossicles; also called anvil due to its shape.

Body system terms : The ears

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inferior   

(in-feer'ee-or)
situated below.

General terms : Views of the body

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inferior canaliculus   

(kan-ah-lik'yoo-lus)
tube-like structure running within the lower eyelid , parallel to the lid margin.

Body system terms : The eyes

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inferior rectus   

(rek'tus)
muscle of the eye which works together with other eye muscles to move the eye in horizontal and vertical gaze.

Body system terms : The eyes

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inferior vena cava   

(vee'ner kay'ver)
main vein that brings blood from the lower limbs and pelvic and abdominal viscera and enters the right atrium of the heart.

Body system terms : Blood, and the circulatory system

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infraspinatus   

(in'fra-spin'at-uss)
muscle of the upper back which rotates the arm laterally.

Body system terms : Musculoskeletal system

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ingestion   

(in-jes�chun)
act of taking food into the body via the mouth.

Body system terms : Digestive system

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inguinal ligament   

(ing'win-ul)
a ligament in the groin that extends from the anterior superior iliac spine to the pubic tubercle.

Body system terms : Musculoskeletal system

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inner canthus   

(kan'thus)
the angle at the inner end of the eye between the eyelids.

Body system terms : The eyes

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inner ear   

see internal ear .

Body system terms : The ears

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innominate artery   

(i-nom'in-ayt)
another name for the subclavian artery.

Body system terms : Blood, and the circulatory system

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insertion   

(in-sur'shun)
point of attachment of a muscle to the bone that it moves; see also origin.

Body system terms : Musculoskeletal system

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insulin   

(in'syoo-lin)
substance produced by the pancreas; insulin is vital to normal glucose metabolism.

Body system terms : Endocrine system

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integumentary system   

(in-teg-yoo-men�tar-ee)
skin and its appendages - hair, nails, sweat glands, oil glands and ducts.

Body system terms : Skin and subcutaneous tissue

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internal ear   

consists of vestibule, semicircular canals, and cochlea; contains end organs of sound perception and equilibration.

Body system terms : The ears

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internal iliac artery   

(il�ee-ak)
artery that is a continuation of the common iliac artery, taking blood to the wall and viscera of the pelvis, buttock, reproductive organs and medial aspect of the thigh.

Body system terms : Blood, and the circulatory system

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intestine, large   

(in-tes�tin)
lower portion of the intestinal tract, about 1.5 m long, consisting of the caecum, appendix , colon, rectum, anal canal, anal sphincter and anus.

Body system terms : Digestive system

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intestine, small   

(in-tes�tin)
upper portion of the intestinal tract, consisting of the duodenum , jejunum and ileum, which extends from the stomach to the caecum and is about 7 m long; most of the process of digestion and absorption takes place in the small intestine.

Body system terms : Digestive system

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intraocular   

(in-trah-ok�yoo-lar)
inside the eye.

Body system terms : The eyes

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inversion   

(in-ver'shun)
turning inwards or inside out.

General terms : Movements of the body

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involuntary muscle   

a muscle not subject to control by conscious will; see also voluntary muscle .

Body system terms : Musculoskeletal system

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iridectomy   

(iri-dekt'oh-mee)
removal of part of the eye�s iris.

Diseases & procedures : Procedures

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iris   

(eye'ris)
coloured membrane of the eye which separates the anterior and posterior chambers; contracts and dilates to regulate entrance of light rays.

Body system terms : The eyes

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ischaemic heart disease   

(is-kee'mik)
the most common form of heart disease in which narrowing or obstruction of the coronary arteries results in a reduced blood supply.

Diseases & procedures : Diseases

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ischium   

(iss'kee-um)
thick three-sided bone behind and below the acetabulum, consisting of the body, inferior ramus and superior ramus.

Body system terms : Musculoskeletal system

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islets of Langerhans   

(eye'lits of lang�er-hans)
group of cells of the pancreas which secrete insulin.

Body system terms : Endocrine system

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-itis   

(-eye-tis)
inflammation
e.g. iritis = inflammation of the iris.

General terms : Suffixes

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