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GO:0008150
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biological_process
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A biological process is the execution of a genetically-encoded biological module or program. It consists of all the steps required to achieve the specific biological objective of the module. A biological process is accomplished by a particular set of molecular functions carried out by specific gene products (or macromolecular complexes), often in a highly regulated manner and in a particular temporal sequence. |
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GO:0032501
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multicellular organismal process
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Any biological process, occurring at the level of a multicellular organism, pertinent to its function. |
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GO:0032502
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developmental process
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A biological process whose specific outcome is the progression of an integrated living unit: an anatomical structure (which may be a subcellular structure, cell, tissue, or organ), or organism over time from an initial condition to a later condition. |
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GO:0048856
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anatomical structure development
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The biological process whose specific outcome is the progression of an anatomical structure from an initial condition to its mature state. This process begins with the formation of the structure and ends with the mature structure, whatever form that may be including its natural destruction. An anatomical structure is any biological entity that occupies space and is distinguished from its surroundings. Anatomical structures can be macroscopic such as a carpel, or microscopic such as an acrosome. |
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GO:0009653
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anatomical structure morphogenesis
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The process in which anatomical structures are generated and organized. Morphogenesis pertains to the creation of form. |
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GO:0048646
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anatomical structure formation involved in morphogenesis
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The developmental process pertaining to the initial formation of an anatomical structure from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. An anatomical structure is any biological entity that occupies space and is distinguished from its surroundings. Anatomical structures can be macroscopic such as a carpel, or microscopic such as an acrosome. |
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GO:0009888
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tissue development
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The process whose specific outcome is the progression of a tissue over time, from its formation to the mature structure. |
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GO:0048513
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animal organ development
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Development of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions. |
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GO:0060429
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epithelium development
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The process whose specific outcome is the progression of an epithelium over time, from its formation to the mature structure. An epithelium is a tissue that covers the internal or external surfaces of an anatomical structure. |
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GO:0008544
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epidermis development
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The process whose specific outcome is the progression of the epidermis over time, from its formation to the mature structure. The epidermis is the outer epithelial layer of an animal, it may be a single layer that produces an extracellular material (e.g. the cuticle of arthropods) or a complex stratified squamous epithelium, as in the case of many vertebrate species. |
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GO:0060788
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ectodermal placode formation
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The developmental process in which an ectodermal placode forms. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm. |
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GO:0071697
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ectodermal placode morphogenesis
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The process in which the anatomical structures of an ectodermal placode are generated and organized. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm. |
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GO:0071696
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ectodermal placode development
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The progression of an ectodermal placode over time from its initial formation until its mature state. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm. |
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GO:0098773
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skin epidermis development
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The process whose specific outcome is the progression of the skin epidermis over time, from its formation to the mature structure. |
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GO:0001942
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hair follicle development
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The process whose specific outcome is the progression of the hair follicle over time, from its formation to the mature structure. A hair follicle is a tube-like opening in the epidermis where the hair shaft develops and into which the sebaceous glands open. |
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GO:0022405
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hair cycle process
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A multicellular organismal process involved in the cyclical phases of growth (anagen), regression (catagen), quiescence (telogen), and shedding (exogen) in the life of a hair; one of the collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the whole of the body. |
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GO:0022404
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molting cycle process
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A multicellular organismal process involved in the periodic casting off and regeneration of an outer covering of cuticle, feathers, hair, horns, skin. |
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GO:0042633
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hair cycle
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The cyclical phases of growth (anagen), regression (catagen), quiescence (telogen), and shedding (exogen) in the life of a hair; one of the collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the whole of the body. |
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GO:0042303
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molting cycle
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The periodic casting off and regeneration of an outer covering of cuticle, feathers, hair, horns, skin, etc. |
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GO:0043588
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skin development
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The process whose specific outcome is the progression of the skin over time, from its formation to the mature structure. The skin is the external membranous integument of an animal. In vertebrates the skin generally consists of two layers, an outer nonsensitive and nonvascular epidermis (cuticle or skarfskin) composed of cells which are constantly growing and multiplying in the deeper, and being thrown off in the superficial layers, as well as an inner vascular dermis (cutis, corium or true skin) composed mostly of connective tissue. |
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GO:0060789
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hair follicle placode formation
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The developmental process in which a hair placode forms. An hair follicle placode is a thickening of the ectoderm that will give rise to the hair follicle bud. |
