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anatomy chapter 1 > chapter 21 > Flashcards

chapter 21 Flashcards

1
Q

the lymphatic system consists of..

A

vessels, tissue, organs, and fluid

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2
Q

interstitial fluid that has entered the lymphatic system

A

lymph

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3
Q

functions of the lymphatic system include…

A

transport, absorb & transport lipids from intestines, immunity

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4
Q

Cap. starts off as

A

blind sacs

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5
Q

___ cells are loosely attached in cap

A

endothelial

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6
Q

edges of endothelial cells

A

over lap

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7
Q

overlapping of endothelial cells prevent

A

the escape of fluid

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8
Q

___ is larger than blood cap

A

lumen

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9
Q

___ vessels are formed by the union of lymph caps

A

collecting

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10
Q

collecting vessels becomes ___ as they join

A

larger

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11
Q

as collecting vessels increase their size…

A

the 3 layers of blood vessels appear; interna, media, external

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12
Q

all trunks are paired (L&R) except

A

interstitial

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13
Q

Drains lower extremities

A

L&R lumbar

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14
Q

drains upper extremities

A

L&R subclarian

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15
Q

drains head and neck region

A

L&R jugular

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16
Q

drains chest

A

L&R broncho-mediastinal

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17
Q

drains abdominal cavity

A

intestinal

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18
Q

much larger, Starts L1-L2, goes up in thoracic cavity & ends in L subclarian vein

A

L duct (thoracic)

19
Q

starts by union of right jugular, R subclarian, R broncho-mediastinal trunk, end R subclarian vein

A

R duct

20
Q

A form of delayed hypersensitivity that produces skin lesions limited to the site of contact with an allergen or hapten; includes responses to poison ivy, cosmetics, latex, detergents, industrial chemicals, and some topical medicines.

A

contact dermatitis

21
Q

An allergic skin reaction characterized by a “wheal and flare” reaction—white blisters (wheals) surrounded by reddened areas (flares), usually with itching. Caused by local histamine release in response to allergens. Can be triggered by food or drugs, but sometimes by nonimmunological factors such as cold, friction, or emotional stress.

A

hives (urticaria)

22
Q

A lymph node malignancy, with early symptoms including enlarged painful nodes, especially in the neck, and fever; often progresses to neighboring lymph nodes. Radiation and chemotherapy cure about 75% of patients.

A

hodgkin disease

23
Q

Enlargement of the spleen, sometimes without underlying disease but often indicating infections, autoimmune diseases, heart failure, cirrhosis, Hodgkin disease, and other cancers. The enlarged spleen may “hoard” erythrocytes, causing anemia, and may become fragile and subject to rupture.

A

Splenomegaly

24
Q

Formation of autoantibodies against DNA and other nuclear antigens, resulting in accumulation of antigen– antibody complexes in blood vessels and other organs, where they trigger widespread connective tissue inflammation. Named for skin lesions once likened to a wolf bite. Causes fever, fatigue, joint pain, weight loss, intolerance of bright light, and a “butterfly rash” across the nose and cheeks. Death may result from renal failure.

A

Systemic lupus erythematosus

25
Q

Lymph node cluster: mesenteric

A

in digestive system

26
Q

lymph node cluster: axillary

A

thoracic and upper extremities

27
Q

lymph node cluster: cervical

A

head and neck

28
Q

lymph node functions include …

A

filter lymph, immune system exposed to pathogenic antigen, lymphocytic division

29
Q

dense irregular connective tissue

A

fibrous capsule

30
Q

divides tissue of lymph nodes into 2 regions

A

trabeculae, cortex and medulla

31
Q

nodular (follicular) tissue

A

nodular

32
Q

columns of lymphoid tissue

A

medulla

33
Q

Lymphatics-> afferent

A

convex

34
Q

Lymphatics -> efferent

A

concave, (hilum)

35
Q

root of your neck extending into mediastinum

A

thymus

36
Q

t lymphocytes develop here

A

thymus

37
Q

thymus has ___ lobes

A

2, L&R

38
Q

extensions into tissue septa (trabecula)

A

outer capsules

39
Q

reticular epithelial, developing t cells, blood thymus barrier

A

Lobules: cortex

40
Q

mature t cells, may enter blood stream, hasel’s corpuscle / thymic corpuscles

A

Lobules: medulla

41
Q

Spleen -> abdominal cavity

A

left hypochondriac

42
Q

smooth diafragmatic surface

A

spleen

43
Q

inferior surface has numerous indentulations due to

A

adjacent viscera

anatomy chapter 1 (5 decks)

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