Biomed

Cornea

The clear, dome-shaped front surface of the eye that bends light to help focus it onto the retina.

Pupil

The opening in the iris through which light enters the eye.

Ophthalmoscope

An instrument used to examine the internal structures of the eye, including the retina and optic nerve.

Retina

A light-sensitive layer of tissue at the back of the eye that converts light energy into electrical signals.

Outer ear

The part of the ear that includes the pinna and ear canal.

Middle ear

The part of the ear that contains the tympanic membrane and ossicles.

Inner ear

The part of the ear where sound waves are converted into electrical signals, including the cochlea.

Otoscope

An instrument used to examine the external ear canal and eardrum.

Strep throat

A bacterial infection commonly associated with symptoms including sore throat, fever, and swollen lymph nodes.

Lymphatic system

A system that plays vital roles in immune function, fluid balance, and fat absorption.

Epidermis

The outermost layer of skin that provides a barrier against infection and water loss.

Dermis

The middle layer of skin that contains blood vessels, nerves, and hair follicles.

Subcutaneous layer

The deepest layer of skin composed of fat and connective tissue that provides insulation.

Melanoma

A type of skin cancer characterized by asymmetry, border irregularity, color variation, larger diameter, and evolving features.

Mitral valve regurgitation

A condition where the mitral valve doesn't close well, allowing blood to leak back into the left atrium.

Wheezing

High-pitched whistling sounds heard during exhalation, usually caused by narrowed airways.

Rales (crackles)

Short, crackling sounds heard during inhalation, often caused by fluid in the lungs.

Stridor

A high-pitched, harsh sound heard during inhalation, often caused by upper airway obstruction.

Reflex testing

A method to assess the function of the nervous system by checking the response of reflexes.

Gait

A person's manner of walking, which can provide insight into neurological function and balance.

Erythrocytes

Red blood cells responsible for transporting oxygen from the lungs to the body tissues.

Complete blood count (CBC)

A test measuring the number and types of cells in the blood, including red and white blood cells and platelets.

Leukocytosis

A condition of high white blood cell count often associated with infection or inflammation.

Thrombocytosis

A high platelet count that increases the risk of blood clots.

LDL Cholesterol

Low-Density Lipoprotein, known as 'bad' cholesterol that increases heart disease risk.

HDL Cholesterol

High-Density Lipoprotein, known as 'good' cholesterol that helps remove excess cholesterol from the bloodstream.

Saturated fats

Fats that can increase LDL cholesterol levels and risk of heart disease.

Unsaturated fats

Fats that can lower LDL cholesterol and raise HDL cholesterol levels, promoting heart health.