The connective tissue lines the body cavities
Osteoclasts are multinucleated, gaint cells that are involved in the reabsorption of bone matrix
The cartilage cells are arranged in groups that are referred to as a cell nest or isogenous group.
Mast cells are recognized to adipose connective tissue.
Macrophages are thought to arise from the monocytes
Osteoclasts are actively dividing cells, capable of collagen precursor synthesis.
Connective tissue differs from epithelium by the presence of abundant intercellular material or matrix.
The direct (membranous) osteogenesis is peculiar to the long bones
The elastic fibers are not arranged in bundles, they are seen as long, thing threads forming meshwork.
The hyaline cartilage could be replaced by bone.
The connective tissue derives from:
Ectoblast
Endoblast
Mesoblast
Mesenchyme
The mast cells arise from:
Basophil granulocytes
Monocytes
Fat cells (Adipocytes)
Lymphocytes
Which of the following is specific for the osteoblast
Elaborates bone matrix
Destroys bone matrix
Produces blood cells
Destroys blood vessls
The metachromatic straining reaction of the hyaline cartilage ground substance is due to:
Well developed rough-surfaced endoplasmic reticulum (rER)
Numerous free ribesomes
Presence of proteoglycans
Presence of numerous lipid droplets
Which of the following is specific staining for the collagenous fibers
Hematoxylin-eosin
Silver impregnation
by Van Gieson method
Orecin
The nutrition of the cartilage is through
Blood vessels in the cartilage
Diffusion from blood vessels in the perichondrium
Blood vessels in the underlying loose connective tissue blood vessels in the blood matrix
Blood vessels in the blood matrix
The multilocular type of fat cells (Adipocytes) are found in:
White adipose tissue
Brown adipose tissue
Hyaline Cartilage
Blood tissue
The orecin staining is specific for visualization of the:
Collagenous fibers
Reticular fibers
Elastic fibers
Neurofibrils
The silver impregnation is specific for visualization of the:
Myofibrils
The indirect (endochondral) type of osteogenesis is specific for:
Plane bones
Long bones
Dentine
All types of bones
The unilocular type of fat cells (adipocytes) are found in:
Smooth muscle tissue
Epithelial tissue
This of the following is specific for the osteoclast:
Produces fibers
The osteoclast arises from
Osteoblast
Basophilic granulocytes
Fusion of monocytes
Eosinophil granulocytes
The metachromatic staining reaction of the mast cells is due to:
Granules containing proteoglycans
Numerous lipid droplets
This of the following is specific staining for the elastic cartilage
By Azan
The reaction by Van Gieson is specific for:
Adipose tissue
Mast cells
In functional aspect the plasma cells are associated with:
Phagocytosis
Clotting mechanisms
Allergic reactions
Production of antibodies
The mast cells take part in:
Process of phagocytosis
Formation of adipose tissue
Collagen production
The multilocular type of fat cells (adipocytes) are found in:
Loose connective tissue
Bones
This of the following is found in the immature bone matrix:
Lamellae of collagenous fibers
Collagenous fibers arranged in meshwork
Osteones
Cells arranged in isogenous groups
Which are the most specific features of the mast cells:
Granules with metachromatic staining reaction
Arise from the basophil granulocytes
Their cytoplasm is filled with lipid droplets
Contain histamine, serotonin, heparin-like substance
Which are the most specific features of the plasma cells:
Well developed rough-surfaced endoplasmic reticulum (rER) with arranged in concentric manner cisternae
Scanty cytoplasm
Eccentric nucleus with heterochromatic having a "cartwheel" appearance
Well developed Golgi apparatus
Granules with histamine, serotonin, heparin-like substance
What of the following is specific for the hyaline cartilage:
Metachromatic stained intercellular matrix
Isogenous groups of 1 - 2 chondrocytes
Replacing by bone
Numerous elastic fibers
Isogenous groups of great number of chrondrocytes
Which are the most specific features of the fibroblasts:
Basophilic stained cytoplasm
Eccentric nucleus with hetrochromatin having a "cartwheel" appearence
Spindle or star-shaped
Granules with histamine, serotonin and heparin-like substance
What of the following staining are specific for the elastic fibers:
Orcein
By Van Gieson
The hyaline cartilage is found in:
Respiratory system
Articular cartilage
Rips
External ear
Larynx
Which of the following cells are specific for the loose connective tissue
Fibroblast
Fibroclasts
Chondrocytes
Myoepithelial cells
Macrophages
This of the following is specific for the osteoblasts
Elaborate bone matrix
Destroy bone matrix (osteolysis)
Arise from mesenchyme
Participate in osteone formation
Which of the following types of connective tissue posses rigid inter-cellular substance
Osseous tissue (bones)
Cartilage
Dentin
Mucous connective tissue
The osteone consists of:
Osteoblasts
Osteocytes
Bone lamella
Osteoclasts
Isogenous groups of chondrocytes
This of the following is specific for the elastic cartilage:
Metachromatic staining of the inter-cellular substance
Numerous collagenous fibers
Specific staining with orcein
This of the following is specific for the osteoclast
Destroys bone matrix (osteolysis)
Contains neurofilaments
Arises by fusion of monocytes
Contains numerous lysosomes
What of the following is specific for the unilocular fat cells (adipocytes)
Are component of the white adipose tissue
Are component of the brown adipose tissue
Contain numerous lipid droplets
Contain a single lipid droplet
Contain thin rim of cytoplasm with flattened eccentric nucleus
This of the following is specific for the reticular connective tissue:
Presence of osteocytes
Presence of reticular cells
Presence of reticular fibers
Is found in the lymphoid organs
This of the following is specific for the loose connective tissue:
Is found as packing between the body structures
Is very rich of blood capillaries and nerve fibers
Develops from the ectoderm
Presence of abundant intercellular material (matrix)
Its cells are arranged in layers
