Cells/Tissues Flashcards
(34 cards)
Mitosis: Phases
IPMAT
Interphase
Between division stages, “growth” or “living”
Prophase
Chromosomes condense, nucleus/membrane break up
Metaphase
Chromosomes line up in nuclear remains
Anaphase
Each chromosome splits into two chromatids
Telephase
Division into two daughter cells
Desmosome/Hemiseamosome
Intercellular junctions
Between cells / between cells and non cellular surfaces
Types of tissue
Epithelium
Connective
Muscle
Nerve
Embryonic cell layers
Trilaminar disk = Ectoderm Mesoderm Endoderm [germ layers]
Fibroblasts
Most common cell of Connective Tissue
Types of connective tissue
Soft, Firm, Hard, Fluid
Soft Connective Tissue
Loose (superficial) or Dense (strong): collagen
Granulation Tissue
Immature connective [scar] tissue
Firm Connective Tissue (types)
Cartilage: Hyaline/Elastic/Fibro
Perichrondrium
Vascular connective tissue surrounding most cartilage
Cartilage: Cells
Chondroblasts
Chondrocytes (mature)
(Firm connective tissue)
Bone
(Hard connective tissue)
Has own blood supply, repairs quickly.
Periosteum > Compact > Cancellous (inside)
Cancellous Bone: Inside
Endosteum > Bone marrow
Calcium Hydroxyapatite
Gives bone it’s hardness
Ossification
Bone development
Intramembranous
Endochondrial
Osteocyte
Mature osteoblasts (bone) In lacunae, connected by canaliculi
Blood
Fluid connective tissue
Plasma/Serum/RBC/Platelets/WBC
Transports.
Erythrocytes
Red blood cell
Fluid connective tissue
Afferent nerves
From body to brain (pain)