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Dental Boards Review > Lymphatics > Flashcards

Lymphatics Flashcards

1
Q

Functional unit in Lymphatics that lies between two semilunar valves of the lymph vessel

A

Lymphangions

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2
Q

Primary organs that serves as Maturation sites

A

Bone marrow

Thymus gland

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3
Q

Secondary organs that serves as Expansion sites.

A

Tonsils
Spleen
Lymph nodes

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4
Q

Function of Bone marrow

A

Hematopoeisis

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5
Q

Bone marrow is lined with?

A

Endosteum in cancellous bones

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6
Q

Bone marrow contains?

A

Red marrow and Yellow marrow

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7
Q

Between red and yellow marrow, which is responsible for production blood contents

A

Red marrow

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8
Q

Yellow marrow in bone marrow is for?

A

Storage of fats

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9
Q

Location of Thymus gland

A

Between lungs/ Anterior of mediastinal cavity/ Posterior of sternum

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10
Q

Thymus gland produces?

A

THYMOSIN

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11
Q

What is needed for T cells to mature?

A

THYMOSIN

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12
Q

The gland starts to decrease its size at the age of?

A

10

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13
Q

Thymus gland becomes fatty tissue completely at the age of?

A

12

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14
Q

Remnants of THYMUS gland

A

Hassall’s corpuscle

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15
Q

Other term for tonsils

A

Waldeyer’s ring

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16
Q

What are the tonsils?

A

Adenoids
Tubal
Palatine
Lingual

17
Q

Tonsil most commonly present in patient who is mouth breather

A

Adenoids

18
Q

Tonsil commonly involved in children

A

Adenoids

19
Q

Tonsilitis in children is due to?

A

Nasal blockage

20
Q

The largest LYMPHATIC organ

A

SPLEEN

21
Q

Spleen is found at what vertebral level

A

T10-L1

22
Q

Functions of SPLEEN

A

A. Removal of blood-borne antigens in WHITE pulp
B. Removal of old and defective RBCs in RED pulp
C. Storage of platelets
D. Hematopoeisis in FETUS

23
Q

Cord of Bill roth is found in?

A

Red pulp of SPLEEN

24
Q

Hematopoeitic organs of fetus

A

Bone marrow
Spleen
Liver

25
Q

A bean shaped organ containing around 500 in the body.

A

Lymph nodes

26
Q

True or False. Lymph nodes contains both AFFERENT and EFFERENT lymphatic vessels.

A

True

27
Q

Functions f Lymph nodes.

A

A. Filtering and phagocytosis

B. Proliferation of lymphocytes

28
Q

Lymphatic vessels that drains at the RIGHT SUBCLAVIAN veins.

A

Lymphatic ducts

29
Q

Thoracic duct drains at what veins?

A

Left subclavian veins

Left internal jugular vein

30
Q

It is the main duct of the body.

A

Thoracic duct

31
Q

It is the most inferior part of the thoracic duct.

A

Cysterna chyli

32
Q

Percentage that drains to thoracic

A

75%

Dental Boards Review (34 decks)

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