Fig. 4
From: Unparalleled details of soft tissues in a Cretaceous ant
Diagram of internal organs of †Zigrasimecia sp. br brain; ibp infrabuccal pocket; lg labial gland; mb mushroom bodies; mdg mandibular gland; mpg metapleural gland; oe oesophagus; on optical nerve; ph pharynx; phg pharyngeal gland; st sting; sog suboesophageal ganglion; tes thoracic esophagus; vs venom gland sac