NHS Information Authority - Medical glossary Banner Graphic for the Alphabetical Search
*
*

Home

*
*
*
*
*

How to use the glossary

*
*
*
*
*

General terms

*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*

Body system terms

*

Musculoskeletal system

*
*

Skin and subcutaneous tissue

*
*

Blood, and the circulatory system

*
*

Nervous system

*
*

The eyes

*
*

The ears

*
*

Respiratory system

*
*

Digestive system

*
*

Urinary system

*
*

Endocrine system

*
*

Reproductive system

*
*
*
*
*
*

Diseases & Procedures

*

Diseases

*
*

Procedures

*
*
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
*

Terms starting with H:

*
*
*

haem-   

(heem-)
(to do with the) blood.

General terms : Root words

*
*
*

haemat-   

(heem-at-)
(to do with the) blood.

General terms : Root words

*
*
*

haematuria   

(heem-at-yoo-ree'er)
blood in the urine.

Diseases & procedures : Diseases

*
*
*

haemorrhoidectomy   

(hem-er-oyd-ekt'oh-mee)
surgical removal of haemorrhoids.

Diseases & procedures : Procedures

*
*
*

haemorrhoids   

(hem'er-oydz)
varicose veins of the anus.

Diseases & procedures : Diseases

*
*
*

hair   

formed by multiplication of cells at the base of the follicle, each one having a root and a shaft; composed of keratin.

Body system terms : Skin and subcutaneous tissue

*
*
*

hair cells   

sensory cells of hearing located in the cochlea.

Body system terms : The ears

*
*
*

hair follicles   

(fol�lik-uls)
tube-like structures in the dermal layer of skin, which produce hairs.

Body system terms : Skin and subcutaneous tissue

*
*
*

hair root   

that portion of a hair that is buried in the tissues of the skin.

Body system terms : Skin and subcutaneous tissue

*
*
*

hallux valgus   

(hal'luks val'gus)
a deformity of the big toe in which the joint at the base sticks out and the top of the toe turns inwards.

Diseases & procedures : Diseases

*
*
*

heart   

hollow, muscular organ which pumps blood to all parts of the body.

Body system terms : Blood, and the circulatory system

*
*
*

heart space   

space between the right and left lungs to accommodate the heart.

Body system terms : Respiratory system

*
*
*

helix   

(hee'liks)
the outer, curved, fleshy ridge of the outer ear .

Body system terms : The ears

*
*
*

hemi-   

(hem-i-)
half
e.g. hemiplegia = paralysis of one side of the body.

General terms : Prefixes

*
*
*

hemiplegia   

(hem-ee-plee'ja)
paralysis or weakness on one side of the body caused by damage or disease affecting the motor nerve tracts in the opposite side of the brain.

Diseases & procedures : Diseases

*
*
*

hepat-   

(hep-at-)
(to do with the) liver.

General terms : Root words

*
*
*

hepatic duct   

(hep-at'ik)
the tube that runs from the liver to the common bile duct.

Body system terms : Digestive system

*
*
*

hepatic flexure   

(hep-at'ik flek'shur)
a bend in the colon at the junction of the ascending colon and transverse colon.

Body system terms : Digestive system

*
*
*

hepatitis   

(hep-a-ty'tis)
inflammation of the liver.

Diseases & procedures : Diseases

*
*
*

hiatus hernia   

(hy-ay'tus her'nee-ah)
a condition in which part of the stomach protrudes upwards into the chest through the opening in the diaphragm that is normally occupied by the oesophagus.

Diseases & procedures : Diseases

*
*
*

hinge joints   

joints that allow movement in one plane only, i.e. flexion and extension.

Body system terms : Musculoskeletal system

*
*
*

hormone   

(hor�mohn)
chemical substance produced and secreted by an endocrine gland .

Body system terms : Endocrine system

*
*
*

hormone   

(hor�mohnz)
chemical substance produced and secreted by an endocrine gland.

Body system terms : Reproductive system

*
*
*

humerus   

(hew'mur-uss)
long bone of the upper arm which extends from shoulder to elbow.

Body system terms : Musculoskeletal system

*
*
*

hydrocele   

(hy'droh-seel)
a soft painless swelling in the scrotum caused by the space around a testis filling with fluid.

Diseases & procedures : Diseases

*
*
*

hymen   

(hy�men)
membranous tissue fold which partially covers the external opening of the vagina.

Body system terms : Reproductive system

*
*
*

hyper-   

(hy-pur-)
excessive, abnormally increased or above
e.g. hyperacidity = abnormally increased concentration of acid.

General terms : Prefixes

*
*
*

hypertension   

(hy-per-ten'shun)
persistently raised blood pressure.

Diseases & procedures : Diseases

*
*
*

hyperthyroidism   

(hy-per-thy'roid-izm)
overactivity of the thyroid gland causing overproduction of thyroid hormones.

Diseases & procedures : Diseases

*
*
*

hypo-   

(hy-poh-)
beneath, below
e.g. hypoglycaemia = abnormally low concentration of blood glucose.

General terms : Prefixes

*
*
*

hypophyseal gland   

(hy-poh-fiz�ee-al)
the pituitary gland located at the base of the brain .

Body system terms : Endocrine system

*
*
*

hypothalamus   

(hy-poh-thal'a-mus)
part of the forebrain, immediately above and linked to the pituitary gland, which controls the release of pituitary hormones.

Body system terms : Nervous system

*
*
*

hypothyroidism   

(hy-poh-thy'roid-izm)
under production of thyroid hormones by an underactive thyroid gland.

Diseases & procedures : Diseases

*
*
*

hyster-   

(his-tur-)
(to do with the) uterus.

General terms : Root words

*
*
*

hysterectomy   

(his-ter-ekt'oh-mee)
surgical removal of the uterus.

Diseases & procedures : Procedures

*
*
*

hysteroscopy   

(his-ter-os'kop-ee)
a technique that uses a hysteroscope to diagnose disorders inside the uterus and fallopian tubes.

Diseases & procedures : Procedures

*
*
*
*
*
Search:
*
To search for a term, please access the online version of the Glossary.

Back To Modules
*
*
*
*
*
* *
*
*

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