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46 Cards in this Set

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ID
Embryonic (mucus) connective tissue

"Wharton's Jelly"
ID
Loose connective tissue stained with resorcin-fuchsin

1. Elastic fibers

2. Collagen fibers
ID
Plasma cells

(Loose connective tissue)
Function: antibody production
ID
Mast cell
(Loose connective tissue)

Stain: Toluidine Blue
(stains granules metachromatically)

Granules contain histamine, heparin sulfate

1. Small blood vessel in connective tissue
ID
Reticular fibers (Type III collagen fibers)

Hematopoietic tissue
Stained with silver salts
ID
Elastic tissue
(Dense connective tissue)
Stain: orecin & eosin

Found in ligamentum flava
ID
White adipose cells
ID
Brown adipose cells
ID
Dense irregular connective tissue

(Found in dermis layer of skin)

1. Fibroblasts
ID
Dense irregular connective tissue (closeup)

1. Fibroblast
2. Collagen fibers
ID
Dense regular connective tissue
ID
Hyaline cartilage

Stain: H & E

1. Condrocytes
2. Territorial matrix
3. Interterritorial matrix
4. Perichondrium
5. Lacunae
6. Isogenous groups
ID
Elastic cartilage

1. Chondrocyte
2. Perichondrium
ID
Elastic cartilage

Stain: resorcin fuchsin (stains the elastic fibers)

1. Elastic fibers
2. Perichondrium
ID
Fibrocartilage (magnified)

1. Collagen fibers Type I
2. Chondrocyte
3. Isogenous groups
ID
Fibrocartilage

1. Type I collagen fibers
2. Chondrocytes

(Found in the annulus fibrosus in the intervertebral disc)
ID
Bone (osteon)

1. Osteocytes
2. Haversian canals
3. Lamellae
4. Interstitial lamella
5. Osteon
ID
Osteoprogenitor cells in bone
(derived from mesenchymal cells)

Found in the lamellae, inner layer of periosteum, endosteum, and line the Haversian and Volkmanns' canals
ID
Osteoclasts

Large, multinucleated cell

Hyperparathyroidism will increase the numbers of these cells
ID
Bone (intramembranous ossification)

Process used by flat bones (skull, mandible, face, and clavicle)

1. Osteoblasts
2. Osteocytes
3. Bone
ID
Bone (enchondral ossification)

Located near articular cartilage and epiphyseal plates.

Chondrocytes inside bone swell and then calcify the matrix

1. Zone of reserve cartilage
2. Zone of proliferation
3. Zone of hypertrophy
4. Zone of calcified cartilage
ID
Bone (hyperparathyroidism)

Note the large number of osteoclasts

1. Osteoclasts
2. Resorption bays
3. Osteoblasts
4. Osteocytes
ID
Osteomyelitis (bone)

Inflammation and infection of bone marrow and bone)

1. Bony trabeculae
2. Lymphocytes
ID
Large multipolar neurons

Found in ventral horn of spinal cord

1. Oligodendrocyte
ID
Purkinje cells (neurons)

Found in cerebellum
Responsible for detection of body orientation
ID
Neuron in cortex (multipolar and pyramidal shaped)

1. Cell body
2. Axon
3. Dendritic processes
ID
Peripheral nerve cross section

1. Schwann sheaths
2. Perineurium
3. Cell wall of cytoplasm
ID
Peripheral nerve (longitudinal section)

1. Axon
2. Node of Ranvier
ID
Astrocyte - some have end feet

(GFAP staining using immunohistochemistry)

Glial fibriliary acidic protein

Fibrous type found in white matter

Protoplasmic type found in gray matter
ID
Oligodendrocyte

Stain: Silver
ID
Microglial cell

Smalles of the glia;

Mobile phagocytic cells
ID
Migroglial cells and oligodendrocytes (cross section)

1. Microglial cell (nuclei)
2. Oligodenrocyte
ID
Ependymal cells (Glial cell)

Line the ventricle and the central canals

Responsible for the blood-CSF barrier

1. Choriod plexus
2. Ependymal cells
3. CSF
ID
Sensory ganglion cells (cross section)

1. Satellite cells
ID
Lymphocytes, basophils, and neutrophils

1. Large lymphocyte
2. Basophil
3. Neutrophil
ID
Monocyte
(Histiocyte in the loose connective tissue)

Largest of white blood cells; nucleus is bean shaped)

Macrophages of the blood via interaction with Helper T cells
ID
Sickle cell anemia
ID
Eosinophils

Bi-lobed nuclei

Forms crystalloid bodies via MBP protein
ID
Lymphatic follicle in spleen

1. Red pulp
2. White pulp
3. Malpighian body

Lining of lymphatic nodules (PALS) Periartial lymphatic sheath
ID
Malpighian body in lymph nodule in spleen

Note: the perforation of a central artery

1. Red pulp
2. Malpighian Body
3. central artery
ID
Thymus (no nodules!)

1. Cortex
2. Medulla
ID
Hassal's corpuscle

Found in middle thymus

Epithelioreticular cells type VI
(Internal arch usually keratinized)
ID
Palatine tonsil

1. Lymphatic crypt
ID
Tonsil

1. Stratified squamous epithelium non-keratinized

2. Lymph nodules
ID
Lymph node

1. Capsule
2. Cortex (contains lymph follicles)
3. Medulla
4. Inner medulla (note- no lymph follicles in inner medulla
ID
Lymph node

1. Capsule
2. Subcapsular sinus (contains lymph)
3. Lymph follicles in cortex