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Pediatric Physcial Examination
Lymphatic System, Chapter 10, pg113-120
25
Nursing
Graduate
05/07/2012

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Term
Mesoderm
Definition

lymphatic system is established in mesoderm during 3rd week of embryonic development

mesoderm gives rise to bone marrow, excretory organs

Term
Ectoderm
Definition
gives rise to the epithelial linings of the glandular cells of the large organs that make up the lymphatic system
Term
lymph
Definition
deposited into the bloodstream through the jugular and subclavian veins in the neck
Term
preterm
Definition
minimal amount of lymphatic tissues present in preterm infant
Term
newborn
Definition
lymphatic system underdevleoped, lymphadenopathy can be detected as result of perintal infections especially int he occipital region; thymus gland is prominent shadowing cardiac silhouette on xrays
Term
Infant
Definition
lymphoid tissue incraeses, cervical lymph nodes become ore pronounced w/resp infections by 1st bday
Term
Toddler
Definition
mild infections of any type result in swollen lymph glands and often splenomegaly
Term
preschooler
Definition
peroid of increased upper resiratory infection with mild to moderate swelling in cervial and occipital nodes
Term
school age
Definition
tonsillar and adenoid tissue approximatley the same as adult size by 6 years and reach peak by 12 years of age which is twice adult size
Term
adolescent
Definition
tonsillar size reduces to adult norm
Term
gland
Definition
organ that produces oa product or secretion
Term
node
Definition
swelling or protuberance
Term
lymphatic system organs
Definition

tonsils

adenoids

thymus

spleen

bone marrow

Term
thymus gland
Definition

embedded beneth the sternum

production of t-lymphocytes

Term
spleen
Definition

upper left quadrant of the abdomen

compsed of lymphoid tissues and reticuloendothelial cells

densley vascular

respons to blood-borne infections

stores erythrocytes and filters blood via phagocytes

Term
Lymph node size
Definition

3mm head

1cm neck

Term
Occipital Lymph Nodes
Definition
scalp infections such as seborrheic dermatitis, tinea capitis, pediculosis/head lice, viral syndromes such as varicella, measles, rubella, roseola, viral respiratory infections such a rhinovirus, rsv, post immunization
Term

Preauricular, parotid,

postauricular, and superficial cervcal

lymph nodes

Definition
Infection of pinna(ear), otitis externa, middle ear infection; parotitis
Term

cervical glands--tonsilar, sublingual,

submandibular, deep cervical

Definition
tonsilltis, pharyngitis, stomatitis; tooth decay, dental abscess, ear infection, oral mucosa/mucous membrane infection, tongue; cervical adenitis from systemic infections, neplasm or cancer; post immunization response
Term
axillary lymph nodes
Definition
breast infections, thoacic wall inflammation, infections of shoulder and arm, systemic infection, or neoplasam in lymphatic system
Term
supraclavicular and sublcavian lymph nodes
Definition
neoplasam or cancer--metastaci cancers from respritory, gastrointestinal, or lymphatic system
Term
epitrochlear and popliteal
Definition
forearm and forefinger infections, infection secondary to fractures, skin infections, neoplasm, or cyst in lower extremity
Term
Inguinal lymph node
Definition
diaper rash, gluteal and perineal infection, skin infections in lower abdominal area; foot and leg infections, systemic viral infections
Term
generalized lymphadenopathy
Definition
systemic disase occuring in lympatic, circulatory, respritory; gastrointestinal, or genitourinary system, ie) TB, HIV
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