developmental

What I do

• Explain fundamental developmental processes
• Describe cell differentiation and fate
• Discuss pattern formation mechanisms
• Analyze growth regulation
• Explain metamorphosis and aging
• Connect genetics to development

When to use me

• When learning about developmental biology basics
• When explaining how organisms develop
• When studying growth and differentiation
• When connecting genes to phenotype
• When preparing educational content

Key Concepts

Core Developmental Processes

1. Cell Division: Mitosis, asymmetric division
2. Cell Differentiation: Specialization into cell types
3. Cell Migration: Movement during morphogenesis
4. Apoptosis: Programmed cell death
5. Growth: Cell expansion and division

Signaling in Development

• Autocrine: Cell to itself
• Paracrine: To neighboring cells
• Juxtacrine: Contact-dependent
• Endocrine: Via bloodstream

Types of Development

Direct Development

• No larval stage
• Direct to adult form

Indirect Development

• Egg → Larva → Pupa → Adult
• Complete metamorphosis
• Incomplete metamorphosis

Stem Cells

• Pluripotent: Any cell type (embryonic)
• Multipotent: Related cell types (adult)
• Unipotent: Single cell type