smooth muscle

BTO:0001260 ·resolve ·HOST_ASSOCIATED ·EXACT REVIEWED

Muscle tissue that lacks cross striations, that is made up of elongated spindle-shaped cells having a central nucleus, and that is found in vertebrate visceral structures (as the stomach and bladder) as thin sheets performing functions not subject to conscious control by the mind and in all or most of the musculature of invertebrates other than arthropods. — BTO

Source attestations

Each upstream vocabulary's own account of this habitat. Assertion counts are per-source units and are not comparable across sources — GOLD counts organisms, BacDive strains, PREGO taxa.

What each upstream vocabulary says about this habitat
Source	Label / path	Assertions	Unit
GOLD	Host-associated > Birds > Muscular system > Smooth muscles 2 GOLD ecosystem node ids share this path; first shown. See data/raw/gold_ecosystem_paths.tsv.	—

Broader habitats

muscle BTO:0000887
Muscular system habitatmech:GOLD.5e70fd912b

Also called

Smooth muscles — GOLD

Curation

What a curator decided about this record, and why. A record built from several source concepts can carry one decision per concept.

GROUND 2026-08-12 · claude-opus-5
Grounded to BTO:0001260 'smooth muscle' (EXACT). Leaf label equals the BTO label exactly and no other source concept claims it. Path: Host-associated > Birds > Muscular system > Smooth muscles (source concept habitatmech:GOLD.ed1f8e1f58)

Provenance

Generated by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.