Chapter 6 - Diseases Flashcards
Infectious disease
Caused by harmful micro-organisms and parasites
Pathogen
Disease causing agent
Degenerative disease
Result of wear and tear, aging, or trauma
Neoplasia
Abnormal or uncontrolled growth of tissue
Immune disorder
Failure of the immune system, allergies, and autoimmune diseases
Metabolic disorder
Lack of enzymes or other factors needed for cellular functions.
Hormonal disorder
Under or overproduction of hormones or the inability of hormones to function properly.
Mental and emotional disorders
Affect the mind
Infectious diseases are caused by:
Viruses, bacteria, fungi, Protozoa, and worms.
Cocci
Round bacteria
Bacilli
Rod shaped bacteria
Vibrios
Short curved rods
Spirochetes
Corkscrew shaped bacteria
Chlamydia
Extremely small bacteria.
Rickettsia
Extremely small bacteria
Helminths
Worms
Inflammation symptoms
Heat, pain, redness, swelling
Phagocytosis
Process body uses to get rid of invading microorganisms, damaged cells, harmful debris.
Acute
Sudden, severe, short course
Benign
Not recurrent or malignant
Carcinoma
A malignant neoplasm
Chronic
Long duration, slowly progressing
Cyst
An abnormal filled sac or pouch
Edema
Accumulation of fluid in the tissues
Etiology
Cause of a disease
Hernia
Protrusion of an organ through an abnormal opening
Inflammation
Localized response to a tissue injury
Lesion
Distinct area of damaged tissue
Malignant
Growing worse, harmful, tending to cause death
Metastasis (v: metastasize)
Spread from one part of the body to another
Necrosis
Death of tissue
Neoplasm
Tumor or abnormal growth
Prolapse
Dropping or downward displacement of an organ
Sarcoma
Malignant neoplasm arising from connective tissue
Sepsis
Presence of harmful microorganisms or toxins