Medical term glossary - H

This medical term glossary provides explanations in plain English of a number of technical terms you may encounter in the process of pursuing a clinical negligence claim.

Haemarthrosis - The pooling of blood in a joint.

Haematoma - A mass of clotted blood.

Haemo-pneumothorax - Blood and air in the cavity surrounding the lungs which may need to be drained.

Haemorrhage - Breach of a blood vessel causing leakage.

Halitosis - Bad breath.

Hallux - Big toe.

Hamstring - Tendon at the rear of the knee.

Hearing threshold level - The limits of hearing.

Hemianopia - Blindness in one eye.

Hemiplegia - One side of the body becomes paralysed.

Heparinised - The use of heparin in blood, a substance which reduces blood clotting.

Hepatiscostomy - The surgical opening of the main bile duct.

Hernioplasty - Surgery to repair a hernia.

Histogenesis - Formation of tissue.

Histology - Study of tissue structure.

Homeostasis - The balancing of body temperature, fluid content etc.

Homoplasty - Skin grafting.

Humerus - Upper arm bone.

Hydramnios - Excessive fluid within the structure which protects a developing foetus.

Hydrocephalus - Brain swelling by the accumulation of cerebro-spinal fluid.

Hydronephrosis - Swelling of the kidney due to blockage of urinary vessel.

Hyper- - In excess of normal range.

Hyperacusis - Abnormally high sensitivity to sight, sound, taste and smell.

Hyperaesthesia - Abnormally high sensitivity to sound, taste, smell or feeling.

Hyperextension - Movement of a limb beyond its normal range.

Hypertension - High blood pressure.

Hypertrophy - Size of organ increases due to enlargement of cells.

Hyperventilation - Breathing too quickly.

Hypo- - Decreased.

Hypocalcaemia - Low calcium levels in the blood.

Hypohidrosis - Inability to sweat sufficiently.

Hypoplasia - Tissue fails to develop fully.

Hypotropia - Squint.

Hypoxia - Insufficient oxygen levels.

Hysterectomy - Surgical removal of the womb.

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

If you would like assistance in relation to a possible clinical negligence claim speak to our experts for free initial advice on 0203 817 9430 or complete our online enquiry form.

loading staff

9.3out of 10
5-stars on Trustpilot Based on count 551

We're Great

It is our business to deliver legal services that work for our clients, and you can trust our specialists to take care of things on your behalf.

Our Trustpilot reviews

What is the difference between an infection and sepsis?

A few weeks ago, the Press Association released an alarming statement that hospital admissions for sepsis in England have more than doubled in three years. The rises relate to all age groups – including the very young . Sepsis can be...

Read more

SolicitorsLLP

A brace of wins for Stephensons at the Modern Law Conveyancing Awards

The national law firm, Stephensons, has won a brace of awards at this year’s Modern Law Conveyancing Awards . Stephensons collected awards for Property Team of the Year and Best Use of Technology and was Highly Commended in the Conveyancing...

Read more

Clin neg staff reorder

  • Louise Griffiths
  • Judith Thomas-Whittingham
  • Tom Mooney
  • Laura Sheehan
  • Claire Stockley
  • Jamie Cruickshanks
  • ​Carla Duprey
  • Gemma Crompton
  • Alexandra Cullen
  • Laura Owen
  • Kelly Withers
  • Amy Makin​
  • Pam Thompson
  • Justine Wright