Lymphatic and Respiratory Systems Overview

Vocabulary flashcards covering key terms and concepts in the lymphatic and respiratory systems.

Interstitial Fluid

The fluid that remains in the tissues after filtration, constituting about 15% of the fluid.

Lymphatic System

A network responsible for fluid recovery, immunity, and lipid absorption.

Hydrostatic Pressure

The pressure exerted by fluids in the bloodstream, pushing fluid into capillaries and tissues.

Osmotic Pressure

The pressure that pulls fluid back into circulation from tissues, influenced by solute concentration.

Afferent Vessels

Vessels that bring lymph into lymph nodes.

Efferent Vessels

Vessels that carry lymph away from lymph nodes.

Natural Killer Cells

A type of lymphocyte that attacks cancer cells and responds to diverse pathogens.

Complement System

A series of proteins that enhance the immune response against pathogens.

Chemotaxis

The movement of immune cells towards higher concentrations of signaling molecules.

Innate Immunity

The body's first line of defense present at birth, including physical and chemical barriers.

Adaptive Immunity

A specific immune response developed upon exposure to pathogens, creating immunological memory.

Cytotoxic T Cells

T cells that directly kill infected or cancerous cells.

Plasma Cells

Activated B cells that produce antibodies.

Immunoglobulins (Antibodies)

Proteins produced by B cells that identify and neutralize antigens.

Active Immunity

Immunity that develops when the body produces its own antibodies in response to pathogens or vaccines.

Passive Immunity

Temporary immunity acquired through transfer of antibodies from another source.

Erythropoietin

A hormone secreted by kidneys that stimulates red blood cell production.

Nephron

The functional unit of the kidney responsible for filtering blood and forming urine.

Renin-Angiotensin-Aldosterone System (RAAS)

A hormone system that regulates blood pressure and fluid balance.

Glomerular Filtration Rate (GFR)

A measure of how well the kidneys filter blood, indicating kidney function.

Specific Gravity (SG)

A measure of urine concentration, indicating hydration status.

Detrusor Muscle

The smooth muscle layer of the bladder responsible for urine expulsion.

Trigone

A triangular area at the floor of the bladder, directing urine towards the urethra.

Kidney Reserve Capacity

The ability of the kidneys to function effectively even when part of the kidney is damaged or removed.