問題一覧
1
List 5 common histological techniques
Techniques for the light microscopy, Electron microscopy techniques, Histochemistry techniques, Immunocytochemistry techniques, Fluorescence techniques
2
Specimen preparation
Specimen collection, Fixing, Processing, Embedding, Sectioning, Staining, Analysis
3
Which cell organelles take part in 1) transcription 2) translation 3) protein modification
1) nucleus, 2) ribosomes, 3) Golgi apparatus
4
Peroxisomes morphology
Granular matrix, single membrane
5
Peroxisomes functions
Production of hydrogen peroxide, Killing pathogens, detoxification of toxic materials
6
Describe cell organelles responsible for energy supply
Mitochondria, Rod-shaped, Inner and outer membrane, Subdivided into intermembrane and matrix compartments
7
Cell junctions and their locations
Occluding junctions → apical region of most epithelial types, Adhering junctions → close to the apical region, Communicating junctions → between cells
8
Types of secretion
Apocrine → apical portion of the cell is lost, Merocrine → secretory vesicles realesed via exocytosis, Holocrine → entire cell is destroyed
9
Components of connective tissue proper
Cells, Extracellular matrix ( ECM ), Fluid
10
Dense irregular connective tissue
Has bundles of collagen fibres that appear to be fairly randomly orientated
11
Dense regular connective tissue
Has closely - packed dense arranged fiber bundles with clear orientation
12
Hyaline cartilage
Perichondrium, Chondroblasts, Extracellular matrix, Chondrocytes in lacunae
13
Elastic cartilage
Perichondrium, Chondroblasts, Chondrocytes in lacunae, Extracellular matrix with elastic fibres
14
Fibrocartilage
No perichondrium, Chondrocytes in lacunae, Extracellular matrix with collagen fibres
15
Fibrocartilage location
Menisci of the knee, intervental discs
16
Elastic cartilage location
Tip of nose, external ear
17
Hyaline cartilage location
Costal → connects the ribs to the sternum
18
Cells of bone with functions
Osteogenic cells → assist in fracture repair, Osteoblasts → form bone matrix, Osteocytes → maintain bone tissue, Osteoclasts → function in resorption, the breakdown of bone matrix
19
Skeletal muscle cells
Cell → myofiber, Elongated - shaped, Striations ( transverse bands ), Multinuclear - located periferally to the cell, Under conscious control ( voluntary )
20
Smooth muscle cells
Cell → myocyte, Spindle - shaped, No striations, Single nucleus in the centre, No conscious control ( involuntary )
21
Cardiac muscle cells
Cell → cardiomyocyte, Elongated - shaped, Striations, Single or two nuclei in the centre, No conscious control ( involuntary )
22
Intercellular junctions between muscle cells
Gap junctions, Zona adherens, Desmosomes
23
What is a triad and where does it occur
The region of junction of the A and l bands → skeletal muscle
24
Glial cells and their functions
Schwann cells → surround all axons in PNS, Satellite cells → regulate nutrient and neurotransmitter levels around neurons in ganglia, Astrocytes → transport substances between blood vessels and neurons, Microglial cells → structural support and phagocytosis, Ependymal cells → form a porous layer through which substances diffuse, Oligodendrocytes → produce myelin sheath within the brain and spinal cord
25
Endoneurium
Surrounds individual nerve fibres
26
Perineurium
Surrounds each bundle of nerve fibres
27
Epineurium
Forms the external coat of nerve bundles
28
Components of plasma
The lipid bilayer, Membrane proteins, Glaycocalyx, Lipid rafts
29
What is a diad and where does it occur?
Connection of t-tubules and junctional sarcoplasmic reticulum → cardiac muscle
30
Where does hematopoesis take place?
Bone marrow
31
Blood serum
Plasma without fibrinogen
32
Difference between nerve and ganglion
Ganglia → process information, Nerves → carry information
33
Glial cells of PNS
Satellite cells, Schwann cells
34
Glial cells of CNS
Astrocytes, Oligodendrocytes, Microglial cells, Ependymal cells
35
Lysosomes morphology
Membrane - bound, Diverse shape and size, Filled with hydrolizing or digesting enzymes
36
Lysosomes functions
Intracellular digestion, Intercellular phagocytosis
37
Phases of the cell cycle
Interphase, Mitotic phase, Therminal phase
38
Difference between exocytosis and endocytosis
Exocytosis → transport out of the cell, Endocytosis → transport into the cell
39
Connective tissue proper cells with function
Fibroblasts ( fibrocytes ) → synthesize fibres, Histiocytes ( macrophages ) → ingestion by phagocytosis, Mast cells → secrete heparin, Myofibroblasts → injury repair after wounding, Melanocytes → melanin produced by these cells is known to absorb ultraviolet light, Leukocytes → protect organism from infections, Plasma cells → produce antibodies, Pericytes → stabilization and hemodynamic processes of blood vessels, Fat cells → energy storage
40
Mesentary
Epithelial tissue
41
ECM blood
Plasma
42
Difference between endoneurium and epimysium
Endoneurium → covers axons in nervous tissue, Epimysium → covers skeletal muscle tissue
43
Bone marrow components with functions
Red bone marrow → forms blood cells, Yellow bone marrow → stores fat