Chapter_21_Lymphatic_System_-_Tagged

The lymphatic system is a network of organs and _______ vessels that recover fluid.

vein-like

The functions of the lymphatic system include transporting excess interstitial _______ away from the interstitial spaces.

fluid

The lymphatic system absorbs _______ from the digestive system and transports them to the bloodstream.

lipids

Immune system refers to a cell population that inhabits all organs and defends the body against _______ agents.

disease

The term __________ refers to the collection of cells and biochemicals traveling in lymphatic vessels.

lymphatic system

Lymphatic capillaries absorb fluid from __________ spaces.

tissue

Lymphatic vessels play an important role in the absorption of _______ and fat-soluble vitamins.

fats

The majority of lymphatic structures are found in the _______ system.

cardiovascular

The ___________ system is also known as the immune system due to its protective functions.

lymphoid

Lymph is formed from water and dissolved substances that are filtered out of the blood capillaries into the __________.

interstitial fluid

Lymphatic capillaries are microscopic, closed-ended tubes that _______ parallel blood capillaries.

network

The larger lymphatic vessels contain __________ that prevent backward flow of lymph.

valves

Lymphatic trunks drain lymph from lymphatic _______ into lymphatic collecting ducts.

vessels

The thoracic duct empties lymph into the __________ vein.

left subclavian

The right lymphatic duct drains lymph from the right arm, right side of head, and __________.

thorax

T lymphocytes make up about __________% of the body's lymphocytes.

70-85

B lymphocytes are responsible for producing _______ against foreign antigens.

antibodies

Natural killer cells patrol the body looking for pathogens and _______ host cells.

diseased

Lymph nodes filter lymph and act as sites of T and B cell __________.

activation

The spleen serves to filter blood and contains two types of tissue: white pulp and _______ pulp.

red

Lymph nodes are most numerous lymphatic organs with about __________ in a typical young adult.

450

The major function of lymph nodes is to cleanse lymph and activate immune _______.

responses

The thymus produces thymosin which stimulates the maturation of __________.

T lymphocytes

The presence of pathogens can cause _______ in the immune system.

infection

Mechanical barriers, such as skin and mucous membranes, prevent the entrance of __________.

pathogens

Inflammation is characterized by local redness, swelling, __________, and pain.

heat

A fever is triggered when lymphocytes secrete a substance known as __________.

interleukin-1

Antigens are non-self molecules that can evoke an immune _________.

response

Adaptive immunity involves a specific response to particular _______ or their derivatives.

pathogens

Lymphangitis is an inflammation of __________ vessels.

lymphatic

Septicemia refers to the invasion of the bloodstream by virulent __________.

microorganisms

Lymphadenopathy is characterized by the enlargement of __________ nodes.

lymph

Hodgkin’s lymphoma is marked by the presence of __________ cells.

Reed-Sternberg

Non-Hodgkin's lymphoma is characterized by malignant cells derived from B cells, T cells, or __________ cells.

natural killer

The lymphatic system plays a key role in maintaining __________ balance.

homeostatic

Lymphatic ducts are also known as __________ ducts.

collecting

Lymphatic capillaries are absent from __________, bone marrow, and cornea.

cartilage

The function of lymph nodes includes the destruction of debris by __________.

macrophages

Efferent lymphatic vessels carry lymph __________ from the lymph node.

away

The process during which lymphatic vessels return fluid to the blood is known as __________ balance.

fluid recovery

The thymus is located in the __________ behind the sternum.

mediastinum

The spleen filters blood and helps remove foreign particles, damaged red blood cells, and _________ debris.

cellular

The body harbors at least _______ times more bacterial cells than human cells.

10

The lymphatic capillaries merge into __________ vessels.

lymphatic

Lacteals are specialized lymphatic capillaries that absorb __________ in the intestinal mucosa.

fats

T lymphocytes can recognize specific antigens and play a significant role in the __________ immune response.

adaptive

Macrophages, dendritic cells, and T lymphocytes are all types of __________ found in lymphoid tissue.

immune cells

The primary function of the lymphatic system is to filter and _______ lymph.

cleanse

Lymph flows through a system of lymphatic __________ similar to blood vessels.

vessels

The flow of lymph is aided by __________ muscle contractions during movement.

skeletal

The __________ lymphatic duct is smaller than the thoracic duct.

right

What is a characteristic of Hodgkin’s Lymphoma?

Hodgkin’s lymphoma is marked by the presence of Reed-Sternberg cells.

How does non-Hodgkin's lymphoma differ from Hodgkin’s lymphoma?

Non-Hodgkin's lymphoma is characterized by malignant cells derived from B cells, T cells, or natural killer cells.