Venom Glands
Venom Glands - Related Videos
10:25
Extraction of Venom and Venom Gland Microdissections from Spiders for Proteomic and Transcriptomic Analyses
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Cited by 28 •
2014
This article provides a protocol for the extraction of venom from spiders using electrical stimulation in order to 1) conduct proteomic characterization, 2) stimulate venom gland gene expression, and 3) perform functional studies of venoms. This is followed by a description of venom gland microdissections for gene expression studies.
05:13
Gastric Fundic Glands Isolation: A Method to Isolate Fundic Glands from Human Stomach Tissue
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2023
This video describes a method to isolate gastric epithelial cells from the human fundic tissue. The isolated epithelial cells can be used as an in vitro model to study their regulatory roles in gastric physiology and pathophysiology.
09:45
Harvesting Venom Toxins from Assassin Bugs and Other Heteropteran Insects
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Cited by 16 •
2018
Although many insects in the suborder Heteroptera (Insecta: Hemiptera) are venomous, their venom composition and the functions of their venom toxins are mostly unknown. This protocol describes methods to harvest heteropteran venoms for further characterization, using electrostimulation, harassment, and gland dissection.
04:06
Superior Lacrimal Gland Removal: A Surgical Technique to Remove the Palpebral and Orbital Parts of Superior Lacrimal Gland from Rabbit Model
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2025
This video describes the surgical procedure to remove the two parts: palpebral and orbital of the superior lacrimal gland from a rabbit to create a dry eye disease model. This rabbit model is suitable for studies of ocular surface homeostasis, pathophysiology and ocular therapeutics.
03:31
Dissection of Midgut and Salivary Glands from Ae. aegypti Mosquitoes
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Cited by 58 •
2007
The mosquito midgut and salivary glands are key entry and exit points for vector pathogens like Plasmodium falciparum and the dengue virus. This video demonstrates the dissection techniques for removing the midgut and salivary glands from Aedes aegypti mosquitoes.
FAQs
Gland cells synthesize the toxins that make venom biologically active, while the gland also provides a site where the mixture can be stored before use. This organization allows production and delivery to function as connected but distinct stages. Examining these cellular and anatomical roles helps link gland structure with the physiology of venomous animals.
Ducts provide the passage between the gland and the delivery structure, while surrounding muscles or other pressure mechanisms help force venom outward. Delivery therefore depends on coordination between secretion, storage, pressure, and the external apparatus. This mechanism connects internal anatomy to behaviors such as biting, stinging, or using a venomous spine.
A venom gland cannot be understood fully without considering the structure that delivers its contents. Bites, stings, spines, and other apparatuses represent different anatomical routes for transferring venom to another organism. Studying the gland together with its delivery structure clarifies how physiology supports the animal’s interactions with prey, competitors, or potential threats.
Venom glands can support several ecological functions rather than a single behavior. Venom may help an animal capture prey, deter threats, or compete with other organisms. These functions connect gland activity with behavior and species interactions, making venom glands relevant to how animals obtain resources, avoid harm, and occupy particular roles within natural communities.
Venom glands provide a way to examine how anatomy and physiology relate to specialized environmental niches. When researchers connect gland traits with behavior and ecological interactions, they can investigate how venomous animals function within their surroundings. This perspective places venom production within broader questions about adaptation, biodiversity, and the conditions that shape animal communities.
Research on venom glands can connect individual anatomy and physiology with food webs, biodiversity, and conservation. Because venom influences interactions among organisms, changes affecting venomous species may matter beyond the individual animal. Studying these glands therefore helps characterize species that occupy specialized niches and supports a broader understanding of their ecological significance in natural environments.