Histologiiii
Which statement regarding apical surface’s modification is correct
Microvillus
Cilium
Goblet cell
Umbrella cell
Glycocalyx
Tight junction
Villus
In which type of junction occludin and claudin are characteristic and prominent?
Hemidesmosomes
Nexus
These proteins are not associate with cell junctions
Zonula occludens
Zonula adherens
Which statement regarding nodal cilia is true?
Are found in almost all cells in body
Are arranged into 9+0 pattern
Are associated with gastrulation
Are arranged into 9+2 pattern
Are associated with rotational movement
Are found in embryo
Which pair is correctly paired?
Simple squamous - epidermis of skin
Simple cuboidal - lining ducts of most glands
Pseudostratified - intestine
Pseudostratified - trachea
Transitional - Urinary bladder
Stratified squamous – cornea
Simple columnar - esophagus
Which statement about holocrine gland is true?
Its example are Meibomian glands
Its example is sweat gland
Cell is destroyed after releasing of product
Its example is sebaceous gland
Cells are often surrounded by myoepithelial cells
Its example is mammary gland
Product of cell is released with its apical part
Is also called merocrine secretion
Is is characatheristic for seabecous gland
It consists in turning entire cell into secretion and it excretion
Its charachteristic for salivary glands
It realeses the product as lipid
Which statement regarding epithelium is correct?
Cells of epithelial tissue are renewed continuously
Cells of epithelial tissue are never renewed
Most epithelia rest on connective tissue
Its function includes absorption (also covering, lining, secretion)
Polarity
Location on basement membrane/basal lamina
Vascularization
No Possibility to regeneration
Small amount of ECM
Which epithelium is typical for small intestine
Simple squamous epithelium
Stratified squamous epithelium
Simple columnar epithelium
Pseudostratified columnar epithelium
Which statement regarding Cilia is correct
Stereocilium is long cilium
Are extension of cytoplasm
Cilia are smaller than microvilli
In small intestine is additionally covered by glycocalyx
Central pair of microtubules
9 pairs at the periphery
Which feature concerning myoepithelial cells of exocrine glands is true?
Have numerous long processes
Are truncated
Are found inside basal lamina
Are attached to basal lamina by desmosomes
Contain actin-myosin complex
Lie in connective tissue surrounding secretory part of gland
Rich in actin filaments and myosin
Sweat glands, lachrymal, salvary and mammary glands contain myoepithelial cells
Which statement regarding glands is correct
A. Goblet cell is unicellular gland
A. Holocrine is sebaceous gland
A. Salivary glands are always seromucous
A. Exocrine derive from epithelium
A. Endocrine glands are ductless
A. In merocrine glands secretory granules leave cell by exocytosis
Which statement regarding hemidesmosomes is correct
Is a type of zonula Occludens
Is characterized by half of a desmosome
Is tight junction
Is responsible for junction between basal cell membrane of the cell with basal lamina
Which epithelium is characteristic for trachea
Pseudostratified columnar epithelium
Simple squamous epithelium
Ciliated epithelium
Stratified epithelium
Which statement regarding zonula occludens is true
Is type of desmosome
Occludins and claudins participate in its formation
Is characterized by half of a desmosome
Is tight junction
THE INTERCELLULAR JUNCTIONS in epithelia
They are absent in basal part of the epithelial cells
Thigh junctions are the most apical of the junctions
Actin filaments participate in forming the zonula adherens
Which statement about APOCRINE SECRETION is true
Secretory granules leave the cell by exocytosis (secretory vesicles)
Secretory product is shed with whole cell
Secretory product is discharged with apical part of cytoplasm
Lipids droplets are secreted in mammary glands in this manner
Which statement regarding connective tissue (CT) proper is true
There is no fibers in mucous tissue
Leukocytes that migrate from blood vessels are present in CT
Is divided into loose and dense CT
Fibroblasts can be differentiated into histiocytes (macrophages in CT)
Cells of embryonic mesenchymal CT produce type I collagen fibers
Its extracellular matrix contains fibers and ground substance
Transient cells of connective tissue are e.g. leukocytes
Originates from mesenchyme
Collagen contains unusual amino acids desmosine and isodesmosine
Chondroblasts are main population of cell in the tissue
Which cells of connective tissue promote allergic reactions
Neutrophils
Mast cells
Fat Cells
Fibrocytes
Histiocytes
Basophilic
What is the characteristic function of mast cells
They can produce elastic fibers
Develop via differentiation of fibroblasts
Degranulation after the hormonal stimulation
Influence permeability of blood vessels
The surface contains receptor for IgE
Chemical mediators in mast cells promotes the allergic reactions
Connective tissue mast cells and mucosal mast cells can be recognized
Synthesis of IgE
Their histamine acts as an anticoagulant
Participate in process of wound healing
Storing of chemical mediators in granules
The cytoplasm is filled with basophilic secretory granules
Derive from stem cells in bone marrow
Which cells located in the CT do originate from the bone marrow
Mast cells
Adipocytes
Fibrocytes
Fibroblasts
Histocytes
Macrophages
Osteoblasts
Osteoclasts
Endothelial cells
Plasma cells
What type of tissue is a tendon
Loose connective tissue
Dense regular collagenous tissue
Dense regular elastic tissue
Mucous tissue
Dense irregular tissue
Tissue that consists of collagen type I
Which statement regarding adipose tissue is true
There is no fiber in mucous tissue
Leukocytes that migrate from blood vessels are present in CT
Is divided into loose and dense CTs
Fibroblasts can be differentiated into histiocytes
There are two types white uniocular and Brown multilocular
Leptin is secretory product of white adipocytes
Adipocytes of yellow tissue can convert androgens into oestrogens
Adipocyte of Brown tissue contains one big lipid droplet in cytoplasm
Multilocular is rich in the adult human
Brown tissue changes into yellow one
Which features are characteristic for multilocular adipose tissue
Many lipid droplets
In humans’ tissue is important mainly in the first postnatal life
In human newborn multilocular adipose tissue constitutes 50% of the body weight
One, large lipid droplet
Is greatly reduced in adulthood
Tissue is more abundant in hibernating animals
Contains more capillaries than white adipose
Which sentence regarding myofibroblasts is correct
The major source is are pericytes
They contain action and myosin filaments
They are responsible for wound closure after tissue injury – wound contraction
A. The major source is chondrocytes
Is it true that the osteogenesis
Is the periosteum development process
Is the bone development process
The first step of endochondral ossification is bony collar formation
Epiphyseal cartilage is composing of 5 zones
During intramembranous ossification the epiphyseal cartilages are formed
It could be said that bony collar formation is a kind of intramembranous ossification
Could happen thanks intramembranous ossification
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