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82 Cards in this Set
- Front
- Back
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What FOUR types of CELLS are in LYMPHATICS? |
FIBROBLASTS RETICULAR CELLS (Diff'd Fibroblasts) ANTIGEN PRESENTING CELLS (Macrophages) LYMPHOCYTES |
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What type of COLLAGEN do RETICULAR CELLS make? |
TYPE 3 COLLAGEN (RETICULAR FIBERS) |
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What type of FIBERS do RETICULAR CELLS make, via TYPE 3 COLLAGEN? |
RETICULAR FIBERS |
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What is the FUNCTION of ANTIGEN PRESENTING CELLS in LYMPHATICS? |
ANTIGEN PRESENTING CELLS |
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What TYPE of cell are ANTIGEN PRESENTING CELLS? |
MACROPHAGES |
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What are the TWO types of LYMPHOCYTES? |
B-CELLS T-CELLS |
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What TYPE of COLLAGEN do FIBROBLASTS produce? |
TYPE 1 |
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What is the FUNCTION of B-CELLS |
DIFFERENTIATE into PLASMA CELLS |
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Describe the DIFFUSE ORGANIZATION of LYMPHOCUTES |
LYMPHOCYTES are HAPHAZARDLY arranged AROUND TUBE STRUCTURES "spread-out around tubes" |
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What does MALT stand for? |
MUCOSA ASSOCIATED LYMPH TISSUE In contact w/outside world |
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Describe a NODULE |
SPHERICAL AGGREGATION of LYMPHOCYTES |
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What are the TWO REGIONS of a NODULE? |
CORTEX GERMINAL CENTER |
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Are ACTIVATED or UNACTIVED LYMPHOCYTES located in the NODULE CORTEX? |
UNACTIVATED (mostly Nucleus) |
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Are ACTIVATED or UNACTIVED LYMPHOCYTES located in the GERMINAL CENTER? |
ACTIVATED (more Cytoplasm) |
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What is a NON-ENCAPSULATED aggregation of NODULES? |
PEYER'S PATCHES |
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Define PEYER'S PATCHES |
COLLECTION of <200 NODULES |
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Where are PEYER'S PATCHES FOUND? |
ILIUM |
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Why is are PEYER'S PATCHES termed NON-ENCAPSULATED? |
NOT COVERED by C.T. |
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Describe PARTIALLY ENCAPSULATED NODULES |
NODULES |
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Where do TONSIL ARISE from? |
WALDEYER'S RING |
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What/Where is WALDEYER'S RING |
RING of LYMPHATIC TISSUE around the BACK OF THROAT |
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What are the THREE COMPONENETS of WALDEYER'S RING? |
PALATINE LINGUAL PHARYNGEAL |
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Describe PALATINE TONSILS |
ENCAPSULATED collection of NODULES around the SIDES OF THROAT |
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Describe LINGUAL TONSILS |
NON-ENCAPSULATED collection of NODULES in the BASE OF TONGUE |
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Describe PHARYNGEAL TONSILS |
ENCAPSULATED collection of NODULES on ROOF of PHARYNX |
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What is an INFECTION of the PHARYNGEAL TONSILS? |
ADENOID |
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What is an ADENOID? |
SWELLING of the PHARYNGEAL TONSILS |
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What is MEANT by ENCAPSULATED |
COVERING of CONNECTIVE TISSUE |
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What kind of EPITHELIUM COVERS the PALATINE & LINGUAL TONSILS? |
STRATIFIED SQUAMOUS |
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What kind of EPITHELIUM COVERS the PHARYNGEAL TONSILS? |
PSEUDOSTRATIFIED |
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What is a NODE? |
Bean shaped ORGAN
(very different from a nodule) |
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What is the general STRUCTURE of LYMPH NODES? |
BEAN SHAPED Occur in CLUSTERS (grapes) |
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How does LYMPH NODE SWELLING occur when sick? |
LYMPHOCYTES becomes ACTIVATED -> INCREASES GERMINAL CENTER SIZE -> INCREASE IN LYMPH NODE SIZE |
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What is the PRIMARY FUNCTION of LYMPH NODES? |
To FILTER LYMPH |
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Describe the PATHWAY of LYMPH FILTRATION in LYMPH NODES |
AFFERENT LYMPHATIC VESSELS -> AFFERENT V. PIERCE CAPSULE -> DUMPS INTO SUBCAPSULAR SINUS-> LYMPH NODULES (in CORTEX) -> PARACORTEX (T-Cells) -> CORDS & SINUSES -> EFFERENT |
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What is the LYMPH NODE CAPSULE made of? |
CONNECTIVE TISSUE |
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How do the AFFERENT VESSELS Connect to the LYMPH NODE? |
By PIERCING the CAPSULE (C.T.) |
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Define the TRABECHULAE |
Where C.T. is DRAGGED IN by AFFERENT VESSELS SUBDIVIDES the LYMPH NODE |
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Where are LYMPH NODULES LOCATED in the LYMPH NODES? |
OUTER PORTION of the NODE ie. CORTEX |
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Where is the CORTEX of the LYMPH NODE? |
OUTER REGION |
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Describe the PARACORTEX |
DENSE COLLECTION of LYMPHOCYTES BELOW the CORTEX w/T-CELLS |
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Where are T-CELLS LOCATED in the LYMPH NODES? |
PARACORTEX |
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MEDULLA |
SINUSOIDS CORDS |
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Describe a CORD |
COLLECTION of MACROPHAGES, FIBROBLASTS, & COLLAGEN |
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Describe a SINUSOID |
LOOSE MEANDERING SPACES (floppy capillaries) |
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Define the SUBCAPSULAR SINUS |
Space ABOVE NODULES in LYMPH NODE |
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What are the THREE FUNCTIONS of LYMPH NODES? |
BIOLOGICAL FILTER (Macrophages) PHYSICAL FILTER ANTIBODY PRODUCTION |
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Are B-CELLS found in the THYMUS? |
NO |
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Are T-CELLS found in the THYMUS? |
YES |
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Where is the THYMUS located in the BODY? |
BEHIND the STERNUM |
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What is the THYMUS ENCAPSULATED BY? |
CONNECTIVE TISSUE |
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How is the THYMUS organized? |
Into TWO IDENTICAL LOBES |
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How are the LOBES of the THYMUS SUBDIVIDED? |
LOBULES via C.T. of TRABECULAE |
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How is the THYMUS LOBULES ORGANIZED? |
MEDULLA: Inner Portion CORTEX: Outer Portion |
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What kind of CORPUSCLE is found in the MEDULLA of the THYMUS |
HASSEL'S CORPUSCLES |
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Describe HASSEL's CORPUSCLES |
SPHERICAL Aggregation of EPITHELIAL CELLS in the MEDULA (unknown function) |
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What is the EPITHELIO-RETICULAR FRAMEWORK? |
Long/Thin EPITHELIAL cells that FORM FRAMEWORK of THYMUS |
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What KIND of CELLS are FOUND in the THYMUS? |
T-CELLS!
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What is the FUNCTION of the SPLEEN? |
FILTER RBCs
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Where is the SPLEEN LOCATED? |
UNDERneath the DIAPHRAGM |
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How does the SPLENIC ARTERY enter the SPLEEN? |
BRANCHES & PIERCES THRU the CAPSULE (Arberization) |
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Define a TRABECULAR ARTERY |
COVERED in C.T. from CAPSULE PIERCING ie. C.T. Sheath |
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Define a CENTRAL ARTERY |
C.T. is GONE and is COVERED by LYMPHOCYTES (Technically an Arteriole) |
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Define PENICILLAR ARTERIES |
Very STRAIGHT arteries BRANCHED from Central Arteries (Like many Peninsulas) |
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Describe the PATHWAY of BLOOD Thru the SPLEEN |
SPLENIC ARTERY -> TRABECULAR ARTERY -> CENTRAL ARTERY -> PENECILLAR ARTERY -> CORDS & SINUSES |
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What are the CORDS of the SPLEEN CALLED? |
CORDS OF BILLROTH |
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What are the CORDS OF BILLROTH composed of? |
LYMPHOCYTES MACROPHAGES RETICULAR FIBERS |
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What are the WHITE AREAS of the SPLEEN? |
WHITE PULP |
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What is WHITE PULP made of? |
LYMPHOCYTES & CENTRAL ARTERIES (WBC) |
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What is RED PULP made of? |
CORDS & SINUSES (RBC) |
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What are the THREE FUNCTIONS of the SPLEEN? |
RBC FILTER PLATELET STORAGE ANTIBODIES (via B-CELLS) |
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How does the SPLEEN FILTER RBCs? |
MO ENGULFS RBC -> Fe+ sent to BONE MARROW Heme broken into Biliruben (Br) -> Br dumped to BLOOD & attached to Albumin-> Liver removes Br & attaches it to 2x GA Molecules (Conjugated Biliruben)-> Poop |
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Describe PLATELET STORAGE of the SPLEEN |
SPLEEN CAPSULE may contract to SQUEEZE 30-40mL of PLATELET rich blood into BVs |
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What type of LYMPHOCYTE is found in the THYMUS? |
ONLY T-CELLS |
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What is the FUNCTION of the THYMUS? |
T-CELL "EDUCATION" |
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How many LOBES make up the THYMUS? |
TWO IDENTICAL lobes |
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What is the FIRST lymphatic organ FORMED? |
THYMUS |
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What is special about the FRAMEWORK of the THYMUS? |
Made of an EPITHELIO-RETICULAR FRAMEWORK |
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What is meant by the EPITHELIO-RETICULAR FRAMEWORK of the THYMUS? |
LONG/THIN EPITHELIAL framework |
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What are HASSELL'S CORPUSCLES and WHERE are they found? |
MEDULLA of the THYMUS LOBULES SPHERICAL AGGREGATIONS of EPITHELIAL CELLS Don't know what they do (It's a HASSLE) |
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Where is the THYMUS located? |
Behind the STERNUM |
