lymphatic system Flashcards

1
Q

Hassall´s corpuscles are found in the cortex of the Thymus

A

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2
Q

Hassall´s corpuscles are located in the medulla of the Thymus

A

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3
Q

Hassall´s corpuscles are located in the medulla of the Thymus

A

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4
Q

Epithelial reticular cells form a supporting network of developing (=immature) Tlymphocytes in the Cortex of Th

A

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5
Q

Epithelial reticular cells of thymus together with the endothelium of cortical capillaries
form a blood-thymus barrier

A

t

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6
Q

Reticuloepithelial cells form the inner stroma of thymus

A

t

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7
Q

Fibrous septa divide the parenchyma of thymus into incomplete lobules

A

t

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8
Q

The medulla of Thymus does NOT contain any mature T-lymphocytes

A

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9
Q

The medulla of Thymus appears lighter than cortex using HE-staining

A

t

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10
Q

Thymus contains many lymphoid nodules

A

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10
Q

Medulla of lymph node contains also the lymphoid nodules

A

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11
Q

Medulla of Lymph node consists of sinusoids and cords of Billroth

A

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12
Q

Medullary cords of the lymph node are composed of the reticular epithelium and
lymphocytes

A

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13
Q

The cortex of lymph nodes contain mainly structures with a predominance of Blymphocytes

A

t

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14
Q

The cortex of lymph nodes contains mainly lymph nodules and reticular ligament

A

t

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15
Q

Both cortex and paracortex of the lymph node are composed of lymphoid nodules
containing predominantly B-Lymphocytes

A

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16
Q

T-lymphocytes and no B-lymphocytes are found in the paracortex of Lymph node

A

T

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17
Q

A lymph node paracortex comprises T-cells, macrophages and dendritic cells

A

T

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17
Q

Paracortex of lymph node contains high endothelial venules (HEV) and is T-dependent
zone

A

T

18
Q

Lymph race flows inside the lymph node through the system of cortical and medullar
sinuses

A

T

19
Q

Lymph flows inside the lymph node through a system of cortical and medullary sinuses

A

T

20
Q

The lymph node is covered by a capsule containing predominantly type I collagen

A

T

21
Q

The lymph node stroma is formed by the reticulum epithelium

A

f

22
Q

Lymph nodules in all secondary lymphatic organs are also referred to as Malpighi´s bodies

A

f

23
Q

The internal fine stroma of the lymph node is formed by both reticular cells and reticular
fibres

A

t

24
Q

Lymphoid nodules are found in the appendix, lymph node, spleen and palatine tonsil

A

t

24
Q

Primary lymphoid nodule comprises pale stained germinal centre as a result of B-cells
activation

A

f

25
Q

Lymph nodes in all secondary organs are also referred to as Malpighi bodies (corpuscles)

A

f

26
Q

The internal stroma of the Spleen is formed by loose collagenous CT

A

f

27
Q

Lymphoid nodules in the Spleen are also referred to as Malpighian corpuscles

A

t

28
Q

Splenic cords of Billroth are a part of the white pulp

A

f

28
Q

Splenic cords of Billroth are made up of the reticular tissue, immune cells and blood
elements

A

t

29
Q

Cords of Billroth are part of the red pulp of the spleen

A

t

30
Q

The marginal zone separates the white pulp from the red pulp of the spleen

A

t

31
Q

White pulp of Spleen consists only of B-lymphocytes

A

f

32
Q

T-lymphocytes mature in the Spleen

A

f

33
Q

Hassall bodies are a characteristic part of the white pulp of the spleen

A

f

34
Q

The periarteriolar lymphoid sheath (PALS) surrounding the central arteriole in spleen
consists of T-lymphocytes

A

t

35
Q

Oral surface of the Tonsilla palatina is covered by fibrous capsule

A

f

36
Q

Many lymphoid nodules are present beneath the stratified squamous epithelium of
palatine tonsils

A

t

36
Q

Tonsilla palatina is lined with a stratified cylindrical epithelium with cilia and goblet cells

A

f

37
Q

Secondary lymph nodes are located under the stratified squamous nonkeratinized
epithelium inside the palatine tonsil

A

f

38
Q

Under the layered flat non-horned epithelium inside the Tonsilla palatina there are
secondary lymph nodules

A

t

39
Q

The internal fine stroma of the palatine tonsil consists of reticular cells and reticular fibres
containing type III collagen

A

t

40
Q

T-lymphocytes are generally bigger than B-lymphocytes in regions with lymphatic tissue

A

f

41
Q

Both B-and T-lymphocytes migrate directly from the bone marrow to the secondary
lymphoid organs where they perform their specific functions

A

f

42
Q

T-helper lymphocytes produce interleukins

A

t