Chap 14: Lympathic System Flashcards
Once inside the lymphatic capillaries, this fluid is called what?
Lymph (LIMF)
What are the substances in plasma
- Ions
- Nutrients
- Gases
- Some proteins
The lymphatic system absorbs lipids and other substances from the digestive tract. through lymphatic vessels called __________ located in the lining of the small intestine.
Lacteals
The lymph passing through the lymphatic vessels appears white because of the lipid content and is called what?
Chyle
The Lymphatic system includes..
- Lymph
- Lymphatic vessels
- Lymph Nodes
- Tonsils
- Spleen
- Thymus
Carries fluid in one direction, from tissues to the
circulatory system.
Lymphatic Capillaries
The ___________________ are tiny,
closed-ended vessels consisting of simple
squamous epithelium
Lymphatic Capillaries
This is similar to blood capillaries, Lymphatic capillaries
join to form larger Lymphatic vessels, which resemble small veins.
Lymphatic vessels
Small __________________ have a beaded appearance because they have one-way valves that are similar to the valves of veins.
Lymphatic vessels
Where lymphatic vessels from the right upper limb and right head, neck, and chest.
Right lymphatic duct
Empties into right subclavian vein
Right lymphatic duct
Where the rest of the body empties from lymphatic vessels
Thoracic duct
It empties into left subclavian vein
Thoracic duct
Collection of lymphoid tissue; usually refers to large
collections of lymphoid tissue beneath mucous membranes of the oral cavity and pharynx; lingual, pharyngeal, and palatine tonsils.
Tonsils
Located on each side of the posterior opening of the oral cavity.
The paired palatine tonsils
These are the ones usually referred to as “the tonsils”
The paired palatine tonsils
Located near the internal opening of the nasal cavity
The pharyngeal tonsils
These are on the posterior surface of the tongue
The lingual tonsils
These form a protective ring of lymphatic tissue around the openings between the nasal and the oral cavities and the pharynx.
Tonsils
The removal of the palatine tonsil is called what?
Tonsillectomy