Where does connective tissue originate?
From mesenchymal tissue from mesoderm of embryo.
What does connective tissue actually do?
It forms a continuum with epithelial tissue, muscle, and nervous tissue.
What connective tissue cells originate from undifferentiated mesechymal cells?
Chondrocytes
Adipocytes
Fibroblasts
Osteocytes
Adipocytes
Fibroblasts
Osteocytes
What connective tissue cells originate from Hematopoetic cells?
Plasma Cells
RBCs
Macrophages
Osteoclasts
Megakaryocytes
Mast cells
Basophils
Eosinophils
Neurophils
RBCs
Macrophages
Osteoclasts
Megakaryocytes
Mast cells
Basophils
Eosinophils
Neurophils
What composes the extracellular matrix of connective tissue?
Ground substance and fibers
In general, what two categories of cells compose connective tissue?
Resident cells and Transient cells.
What does the ground substance of the extracellular matrix of connective tissue do?
It resists forces of compression.
What makes up the ground substance of the extracellular matrix of connective tissue?
Glycosaminoglycans
Proteoglycans
Glycoproteins
Proteoglycans
Glycoproteins
What types of fibers are in the extracellular matrix of connective tissue?
Collagen
Reticular
Elastic
Reticular
Elastic
What helps attract extracellular fluid in the connective tissue?
The high Na+ in glycosaminoglycans
What do glycoproteins do in the extracellular matrix of the connective tissue?
Act as a cell adhesive
What stain would you use to stain Type III collagen fibers and what color would they stain?
A silver stain will stain them black
From what cells are elastic fibers made from?
Fibroblasts of C.T. Proper
Smooth muscle cells of blood vessels
Smooth muscle cells of blood vessels
What are the resident cells of connective tissue?
Fibroblasts
Pericytes
Adipose Cells
Mast Cells
Macrophages
Pericytes
Adipose Cells
Mast Cells
Macrophages
Name the transient cells of the connective tissue?
Plasma Cells
Lymphocytes
Neutrophils
Eosinophils
Basophils
Monocytes
Macrophages
Lymphocytes
Neutrophils
Eosinophils
Basophils
Monocytes
Macrophages
What do pericytes do?
They are involved in the regulation of blood flow and repair of small vessels.
How do histiocytes stain and why?
They stain basophilically because of the low pH due to the large quantity of lysosomes.
What are the different classes of connective tissue?
Embryonic Connective Tissue
Connective Tissue Proper
Specialized Connective Tissue
Connective Tissue Proper
Specialized Connective Tissue
What are the types of connective tissue proper?
Loose (Areolar) C.T.
Dense C.T.
Reticular C.T.
Adipose Tissue
Dense C.T.
Reticular C.T.
Adipose Tissue
What type of C.T. consists of collagen bundles packed in no pattern?
Dense Irregular Connective Tissue
What type of C.T. has collagen bundles in parallel and have thin fibroblasts between bundles?
Dense Regular Collagenous C.T.
In what locations is adipose tissue mostly found?
Subcutaneous tissue
Within coelomic cavities
Axillary and inguinal regions
Within coelomic cavities
Axillary and inguinal regions
Name the basic functions of adipose tissue
Energy
Thermoregulation
Absorption of concussive forces
Thermoregulation
Absorption of concussive forces
In what areas is brown adipose tissue distributed?
Axilla
Interscapular region
mediastinum
mesenteries
perirenal region
Interscapular region
mediastinum
mesenteries
perirenal region
Kartensatzinfo:
Autor: toncrayb
Oberthema: Medicine
Thema: Microanatomy
Veröffentlicht: 17.10.2009
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