Lymphatic System (21) Flashcards

1
Q

Name the primary lymphoid structures.

A

THYMUS & RED BONE MARROW

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2
Q

Name the secondary lymphoid structures.

A

LYMPH NODES (INGUINAL, AXILLARY, CERVICAL), TONSILS, SPLEEN, LYMPHATIC NODULES, MALT

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3
Q

Which lymphatic structures have a capsule/which do not?

A

LYMPH NODES & SPLEEN DO. TONSILS, LYMPHATIC NODULES, & MALT DO NOT.

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4
Q

Know the lymphatic duct drainage pattern (which areas of the body are drained by which duct?).

A

RIGHT LYMPHATIC DUCT: RIGHT SIDE OF HEAD, NECK, UPPER LIMB, THORAX. THORACIC DUCT: LEFT SIDE OF HEAD, NECK, UPPER LIMB, THORAX, & EVERYTHING ELSE

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5
Q

Understand how the thymus changes throughout a person’s lifetime.

A

SHRINKS AND MAYBE DISAPPEARS

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6
Q

Differentiate between afferent and efferent lymphatic vessels in lymph nodes.

A

AFFERENT – ARRIVES; EFFERENT – EXITS

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7
Q

What is the role of skeletal muscle contractions & valves in lymphatic circulation?

A

SKELETAL CONTRACTION, PULSATION OF BLOOD, & CONTRACTION OF SMOOTH MUSCLE HELP PROJECT LYMPHS UP VESSELS

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8
Q

What is lymph (what fluid is it most similar to)?

A

INTERSTITIAL FLUID

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9
Q

Describe the structure of lymphatic capillaries.

A

CLOSE-ENDED VESSELS THAT ABSORB I.T. FLUID BY WAY OF HYDROSTATIC PRESSURE; LARGER IN DIAMETER THAN BLOOD CAPS.; ANCHORING FILAMENTS

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10
Q

Three types of tonsils – where are they located?

A

PHARYNGEAL: POSTERIOR WALL OF NASOPHARYNX; CALLED ADENOIDS WHEN ENLARGED. PALATINE: POSTEROLATERAL REGION OF ORAL CAVITY; VISIBLE. LINGUAL: POSTERIOR ONE-THIRD OF TONGUE (BASE)

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11
Q

Bacteria:

A

PROKARYOTIC CELLS, HAVE POLYSACCHARIDE CAPSULE THAT RELEASES AGENTS

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12
Q

Viruses:

A

NOT A CELL, COMPOSED OF DNA/RNA, OBLIGATE INTRACELLULAR PARASITES,

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13
Q

Fungi:

A

EUKARYOTIC, HAVE CELL WALL

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14
Q

Protozoans:

A

EUKARYOTIC, DO NOT HAVE CELL WALL

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15
Q

Multicellular parasites:

A

EUKARYOTIC, NOT MICROSCOPIC ORGANISMS, TAKE HOST’S NOURISHMENT

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16
Q

What is phagocytosis? What cells have this ability?

A

CELL-EATING; NEUTROPHIL, MACROPHAGE, & DENDRITIC CELLS

17
Q

Order of branching of lymphatic vessels?

A

LYMPH CAPS., VESSELS, TRUNKS, & DUCTS

18
Q

What is hematopoiesis? Where does it occur?

A

FORMATION OF BLOOD CELLS; RED BONE MARROW

19
Q

What are the different infectious agents?

A

Bacteria, viruses, fungi, protozoans, & multicellular parasites.

20
Q

What are the different infectious agents?

A

Bacteria, viruses, fungi, protozoans, & multicellular parasites.