FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term primordium ID (Ontology) FBbt:00005495 (Fly Anatomy)
Definition Precursor structure that can be recognized based on its distinct morphology and will give rise to one or more differentiated structures (Tomancak et al., 2002; Hartenstein, 2004). It develops from an anlage and may contain smaller anlage and primordia that will produce substructures (Tomancak et al., 2002).[ FlyBase:FBrf0089570 FlyBase:FBrf0155831 FlyBase:FBrf0178740 ]
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 primordium (all annotations which use CV term, excluding "NOT" statements)       1
Spanning Tree (Parents/Children)
Only view relationship: 
  material anatomical entity
   |__developing material anatomical entity
       |__primordium  6747 rec.
           |__abdominal histoblast primordium
           |__air sac primordium 189 rec.
           |   |__dorsal air sac primordium 107 rec.
           |__amnioserosa primordium 68 rec.
           |__anal pad primordium 63 rec.
           |__anal primordium 1 rec.
           |__antennal primordium 461 rec.
           |__anterior ellipsoid body primordium
           |__Bolwig organ primordium 30 rec.
           |__bract primordium 2 rec.
           |__bulb primordium
           |__caudal mesoderm 203 rec.
           |__central brain primordium 937 rec.
           |__cephalic vascular primordium 3 rec.
           |__cibarium primordium 1 rec.
           |__circulatory system primordium 360 rec.
           |   |__aorta primordium 15 rec.
           |   |__crystal cell primordium 32 rec.
           |   |__dorsal vessel primordium 161 rec.
           |   |__embryonic heart anchoring cell primordium 3 rec.
           |   |__heart primordium 120 rec.
           |   |__lymph gland primordium 36 rec.
           |   |__pericardial cell primordium 43 rec.
           |   |__plasmatocyte primordium 122 rec.
           |__clypeo-labral primordium 155 rec.
           |__denticle field primordium 3 rec.
           |__dorsal apodeme primordium
           |__dorsal epidermis primordium 362 rec.
           |__dorsal mesothoracic pleura primordium 12 rec.
           |__dorsal ridge primordium 7 rec.
           |__dorsal sensory complex primordium 49 rec.
           |__dorsal trunk epidermis primordium
           |__ellipsoid body primordium
           |__embryonic dorsal pouch primordium 2 rec.
           |__embryonic hemocyte primordium 147 rec.
           |__embryonic inner optic lobe primordium 7 rec.
           |__embryonic optic lobe primordium 157 rec.
           |__embryonic outer optic lobe primordium 2 rec.
           |__embryonic primordium of adult eye 34 rec.
           |   |__early embryonic primordium of adult eye
           |   |__late embryonic primordium of adult eye 1 rec.
           |__embryonic primordium of adult foregut precursor
           |__embryonic primordium of adult hindgut precursor 7 rec.
           |__embryonic primordium of adult muscle precursor 9 rec.
           |__embryonic primordium of adult salivary gland 44 rec.
           |__embryonic primordium of adult tracheal precursor 1 rec.
           |__embryonic/larval anterior optic tubercle primordial
           |__embryonic/larval fan-shaped body - primordial 1 rec.
           |__embryonic/larval nodulus - primordial
           |__embryonic/larval protocerebral bridge - primordial
           |__epipharynx primordium 16 rec.
           |__esophageal visceral muscle primordium 19 rec.
           |__esophagus primordium 19 rec.
           |__fat body primordium 65 rec.
           |__fat body/gonad primordium 164 rec.
           |__female genital primordium 11 rec.
           |   |__female genital primordium (female) 2 rec.
           |   |__female genital primordium (male) 9 rec.
           |__foregut primordium 403 rec.
           |__foregut visceral muscle primordium 22 rec.
           |__frontal ganglion primordium 1 rec.
           |__gall primordium
           |__garland cell primordium 98 rec.
           |__germ layer 2944 rec.
           |   |__ectoderm 1424 rec.
           |   |__endoderm 886 rec.
           |   |__mesoderm 1987 rec.
           |__gnathal primordium 57 rec.
           |__gonadal sheath proper primordium 114 rec.
           |__head epidermis primordium 467 rec.
           |   |__dorsal head epidermis primordium 462 rec.
           |   |__lateral head epidermis primordium 455 rec.
           |   |__ventral head epidermis primordium 454 rec.
           |__head mesoderm 905 rec.
           |__hindgut proper primordium 607 rec.
           |__hindgut visceral muscle primordium 23 rec.
           |__hypocerebral/paraesophageal ganglion primordium 1 rec.
           |__hypopharynx inclusive primordium 17 rec.
           |__hypopharynx proper primordium 32 rec.
           |__imaginal disc primordium 82 rec.
           |   |__clypeo-labral disc primordium 5 rec.
           |   |__dorsal thoracic disc primordium(+) 16 rec.
           |   |__eye-antennal disc primordium 13 rec.
           |   |__genital disc primordium(+) 30 rec.
           |   |__labial disc primordium 4 rec.
           |   |__ventral thoracic disc primordium(+) 25 rec.
           |__inclusive hindgut primordium 325 rec.
           |__inferior bulb primordium
           |__large intestine primordium 35 rec.
           |__male genital primordium 11 rec.
           |   |__male genital primordium (female) 6 rec.
           |   |__male genital primordium (male) 5 rec.
           |__Malpighian tubule main body primordium 22 rec.
           |__Malpighian tubule primordium 233 rec.
           |__Malpighian tubule tip cell primordium 9 rec.
           |__Malpighian tubule Type II cell primordium
           |__mesectoderm 183 rec.
           |__mesothoracic tergum primordium 157 rec.
           |__midgut longitudinal visceral muscle primordium 3 rec.
           |__midgut primordium 1816 rec.
           |   |__embryonic primordium of adult anterior midgut 4 rec.
           |   |__embryonic primordium of adult posterior midgut 3 rec.
           |   |__embryonic/larval midgut primordium(+) 1768 rec.
           |__midline glial primordium 25 rec.
           |__midline neuronal primordium 6 rec.
           |__midline primordium 240 rec.
           |__mushroom body primordium 23 rec.
           |__oenocyte primordium 13 rec.
           |__ommatidial precursor cluster 348 rec.
           |   |__early ommatidial precursor cluster 33 rec.
           |   |__five-cell ommatidial precursor cluster 14 rec.
           |   |__four cone-cell ommatidial precursor cluster 12 rec.
           |   |__immature eight-cell ommatidial precursor cluster
           |   |__mature eight-cell ommatidial precursor cluster 6 rec.
           |   |__two cone-cell ommatidial precursor cluster
           |__pars intercerebralis primordium 42 rec.
           |__pars lateralis primordium 2 rec.
           |__pharyngeal muscle primordium 185 rec.
           |   |__dorsal pharyngeal muscle primordium 185 rec.
           |__posterior ellipsoid body primordium
           |__posterior pharyngeal sense organ primordium 9 rec.
           |__primary head mesoderm
           |__primary segmental tracheal branch primordium 169 rec.
           |   |__cephalic tracheal branch primordium
           |   |__dorsal tracheal branch primordium 79 rec.
           |   |__ganglionic tracheal branch primordium 83 rec.
           |   |__spiracular tracheal branch primordium 2 rec.
           |   |__tracheal dorsal trunk anterior branch primordium(+) 2 rec.
           |   |__tracheal dorsal trunk posterior branch primordium(+) 2 rec.
           |   |__tracheal lateral trunk anterior branch primordium(+) 19 rec.
           |   |__tracheal lateral trunk posterior branch primordium(+) 15 rec.
           |   |__tracheal transverse connective primordium 21 rec.
           |   |__visceral tracheal branch primordium 35 rec.
           |__protocerebrum primordium 19 rec.
           |__proventricular ganglion primordium
           |__proventriculus inclusive primordium 2 rec.
           |__proventriculus inner layer primordium 22 rec.
           |__proventriculus intermediate layer primordium 21 rec.
           |__proventriculus outer layer primordium 5 rec.
           |__proventriculus primordium 122 rec.
           |   |__keyhole structure 24 rec.
           |__rectum primordium 12 rec.
           |__repressed genital primordium 14 rec.
           |   |__female genital primordium (male) 9 rec.
           |   |__male genital primordium (female) 6 rec.
           |__ring gland primordium 37 rec.
           |   |__corpus allatum primordium 5 rec.
           |   |__corpus cardiacum primordium 27 rec.
           |   |__prothoracic gland primordium 1 rec.
           |__salivary gland body primordium 358 rec.
           |__salivary gland common duct primordium 15 rec.
           |__salivary gland duct inclusive primordium
           |__salivary gland duct primordium 21 rec.
           |__secondary branch/tracheole primordium 304 rec.
           |   |__dorsal group tracheal branch precursor 9 rec.
           |   |__lateral group tracheal branch precursor 3 rec.
           |__secondary head mesoderm
           |__sensory nervous system primordium 325 rec.
           |   |__dorsal sensory complex proper primordium 156 rec.
           |   |__labial sensory complex primordium 40 rec.
           |   |__labral sensory complex primordium 35 rec.
           |   |__maxillary sensory complex primordium 44 rec.
           |   |__ventral sensory complex primordium 179 rec.
           |__small intestine primordium 16 rec.
           |__somatic muscle primordium 652 rec.
           |__somatic trunk mesoderm 138 rec.
           |__spiracle primordium 175 rec.
           |   |__embryonic/larval spiracle primordium(+) 175 rec.
           |__stomatogastric nervous system primordium 68 rec.
           |__superior bulb primordium
           |__thoracic limb primordium
           |__tracheal branch primordium 385 rec.
           |   |__dorsal tracheal branch primordium 79 rec.
           |   |__fat body tracheal branch primordium
           |   |__ganglionic tracheal branch primordium 83 rec.
           |   |__spiracular tracheal branch primordium 2 rec.
           |   |__tracheal dorsal trunk posterior branch primordium(+) 2 rec.
           |   |__tracheal dorsal trunk primordium 184 rec.
           |   |__tracheal lateral trunk anterior branch primordium(+) 19 rec.
           |   |__tracheal lateral trunk posterior branch primordium(+) 15 rec.
           |   |__tracheal lateral trunk primordium 54 rec.
           |   |__tracheal transverse connective primordium 21 rec.
           |   |__visceral tracheal branch primordium 35 rec.
           |__tracheal primordium 623 rec.
           |   |__abdominal tracheal primordium(+) 8 rec.
           |   |__cephalic tracheal branch primordium
           |   |__mesothoracic tracheal primordium(+) 24 rec.
           |   |__metathoracic tracheal primordium(+) 25 rec.
           |   |__tracheal pit(+) 429 rec.
           |__trunk mesoderm 1383 rec.
           |__trunk visceral muscle primordium 581 rec.
           |   |__circular trunk visceral muscle primordium 40 rec.
           |   |__longitudinal trunk visceral muscle primordium 203 rec.
           |__ventral apodeme primordium
           |__ventral epidermis primordium 313 rec.
           |__ventral nerve cord primordium 875 rec.
           |__ventral trunk epidermis primordium 50 rec.
           |__visceral trunk mesoderm 346 rec.
           |__visual primordium 453 rec.
           |__wing hinge primordium 394 rec.
           |__wing pouch 701 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a developing material anatomical entity
Develops from anlage
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "P" RELATED
    "placode" RELATED
Secondary IDs
hide External Crossreferences & Linkouts
UBERON:0001048