Specialised cells

View mindmap
  • Specialised cells
    • Specialised animal cells
      • Erythrocytes
        • biconcave
        • no nucleus
          • increase surface area for haemoglobin
            • biconcave
            • carry oxygen
      • Neutrophils
        • multi lobed nucleus
          • cell can squeeze through small gaps
            • immune system
        • granular cytoplasm
          • contains lysosomes with enzymes to attack pathogens
            • immune system
      • Sperm cells
        • flagellum
          • movement
            • fertilisation
        • mitochondria
          • energy
            • movement
              • fertilisation
        • acrosome
          • digestive enzymes
            • digest layer around ovum
      • Specialised plant cells
        • Palisade cells
          • chloroplasts
            • chlorophyll
              • absorb light
                • photosynthesis
            • able to move
              • absorb light
                • photosynthesis
          • large vacuole
            • maintain turgor pressure
        • Root hair cells
          • long extensions (root hairs)
            • increase surface area
              • uptake of water and minerals
          • many mitochondria
            • ATP
              • active transport
                • uptake of water and minerals
        • Guard cells
          • become less swollen when loose water
            • stomata close
          • cell wall thicker on one side
            • does not change shape symmetrically as volume changes
      • Specialised animal tissues
        • Epithelial tissue
          • Squamous epithelium
            • flat cells
              • thin
                • short diffusion distance
                  • rapid diffusion
          • Ciliated epithelium
            • cilia (hair like structures)
              • move in a rhythmic manner
                • waft mucus
            • goblet cells
              • release musus
                • trap particles in trachea
        • Connective tissue
          • Cartilage
            • chondrocyte cells
              • embedded iin extracellular matrix
                • prevents ends of bones rubbing together
            • elastin and collagen
        • Muscular tissue
          • Muscle
            • mycofibrils
              • contain contractile proteins
      • Specialised plant tissues
        • Epidermis tissue
          • Epidermis
            • covered by a waxy waterproof cuticle
              • reduce water loss
                • covers the surface of plants
            • stomata
              • gas exchange
                • covers the surface of plants
        • Vascular tissue
          • Phloem
            • sieve tube cellls
              • separated by perforated walls (sieve plates
                • transport organic nutrients
          • Xylem
            • composed of elongated dead cells

    Comments

    No comments have yet been made

    Similar Biology resources:

    See all Biology resources »See all Cellular processes and structure resources »