Histologi cycle test
Histology Cycle Test
Test your knowledge of histology with this comprehensive quiz! Covering various aspects of tissue structure, fun
Participate and challenge yourself with questions on:
- Epithelial and connective tissues
- Bone and cartilage histology
- Muscle tissues
- Extracellular matrix components
- Glandular structures
Choose the correct pairs of tissue
Simple squamous epithelium - skin
Pseudostratified ciliated - epididymal duct
Stratified squamous keratinized - esophagus
Transitional - renal calyces
Urothelium - uterus
What is the first step in long bone ossification
Formation of the primary ossification center in the epiphysis
Formation of hollow bone collar
Formation of the secondary ossification center in the diaphysis
Cartilage degradation
Growth and length of the epiphyseal plate
Mark the correct sentence
The nuclei is located periphery just under the cell membrane ONLY in skeletal muscles
In smooth muscles the sacromeres are arranged in myofibrils
There is no actin filaments in smooth muscle
An entire skeletal muscle is surrounded by dense connective tissue; epimysium
Sacromeres extends from M to M line
Correct about endoplasmatic reticulum
There is both smooth and rough ER
Smooth ER synthesizes protein
The ER is a place of protein digestion
Rough ER synthesizes lipids
Smooth ER has a smooth outer membrane and a folded inner membrane
In the core of microvilli you can find:
Intermediate filaments
Microtubules
Microfilaments
Dynein
Connexin
Typical features for epithelial cells
Vascularization
Polarity
Alot of ECM
Possibility to regenerate
Location on basal lamina
Good nerve supply
Glands of tissues
An example of unicellular glands are goblet cells
Endocrine glands are ductless
Merocrine glands hace secretary granules leaving by exocytosis
Apocrine secretion includes secretion + apical layer of cell
Holocrine secretion is when the whole cell is secreted along with the
Glands develops from the adipose tissue
Glands develops from connective tissue
Glands develops from epithelial tissue
Connective tissue proper
Originates from mesenchyme
Fibroblasts are active cells, fibrocytes are quiescent cells
Plasmacells have receptors for IgE
Tropocollagen is a monomer unit composed of 3 a chains
Fibronectin is a component of GAGs
IgE reseptor is present in mast cells
What is true about the ECM
The ECM is divided into ground substance + fibers
Tropocollagen is aggregated into fibers in the cytoplasm
Reticular fibers are composed of type III collagen
Hyaluronic acid is a GAG
The main component of eulaunin fibers is type IV collagen
What is true about the adipose tissue
There are two types of adipose tissue; white and brown
White adipose tissue is multilocular
There are blood vessels in unilocular tissue
Cells in brown adipose tissue contains abundant brown mitochondria
Lipid droplets of adipocytes are enveloped by intermediate filaments
Mitochondria of unilocular adipocytes have thermogenin
What is true about the cartilage
Cartilage derives from mesenchyme
Isogeneous groups and territorial matrix forms chondrons
Hyaline cartilage matrix consists of collagen type I
Cartilage is derived from mesoderm
Cartilage lacks GAGs
Only fibrocartilage possesses perichondrium
What is true about bones
Bone tissue contains osteoblasts, osteocytes and osteoclasts
Secondary bone is composed of bony lamellae
Secondary bone matrix is calsified
Osteoblasts are located in lacunaes
Osteocytes have receptors for RANK glycoprotein + calcitonin
What is true about the periosteum
The periosteum covers the external surface of bones
Covers internal surface + bone marrow cavity
Is a dense connective tissue capsule composed of type II collagen
The inner layer contains osteoprogenitor cells
Is a-vascular
What is true about skeletal muscles
Skeletal muscles are formed by fibers
Fibers of skeletal muscles has many nuclei
There are no sacromeres precent
The fibers are innervated my motor neurons
Contains diads
Contains triads
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