Term Name: primordium
Synonyms: bud, future organ, placode, primordia, rudiment
Definition: Primordia are populations of contiguous cells that are morphologically distinct and already correspond in extent to a later organ/tissue[FBbt, Hartenstein, V. (2004)].
Ontology: Cell Ontology [UBERON:0001048]

Relationships
is part of: multicellular organism
is a type of: developing anatomical structure
has subtype: abdominal histoblast primordium adult clypeo-labral primordium angioblastic cord anterior crista primordium Bolwig organ primordium circulatory system primordium clavicle bone primordium clypeo-labral primordium corneal primordium dorsal epidermis primordium ectodermal placode elbow joint primordium embryonic optic lobe primordium ethmoid bone primordium eye primordium gall bladder primordium gonad primordium Hatschek's diverticulum heart primordium hip joint primordium imaginal disc primordium interparietal bone primordium interrenal primordium knee joint primordium liver primordium lung primordium pancreas dorsal primordium pancreas primordium pancreas ventral primordium parotid gland primordium pharyngeal gill precursor primordial vasculature respiratory primordium rhombic lip salivary gland primordium scale primordium spleen primordium squamous part of temporal bone primordium stomach primordium temporomandibular joint primordium tetrapod frontal bone primordium tetrapod parietal bone primordium thymus primordium thyroid diverticulum thyroid primordium tracheal primordium ventral epidermis primordium visual primordium