View Full Version : Duvernoy Gland
guidofatherof5
04-15-2009, 05:26 AM
I ran across this article and got a chuckle out of it.
Thought some of you might also. Enjoy.
Here's the link.
Duvernoy's Glands and "Warm" Herping
Many snakes have a long strip of tissue, the superior labial gland, running from snout to behind the angle of the upper jaw. This gland is beneath the labial (lip) scales on either side of the head, and secretions are discharged into the furrow between the lip and gum. In many colubrid snakes, the back part of the superior labial gland is differentiated into a separate gland, called the Duvernoy’s gland. While the labial gland produces mucus secretions, the Duvernoy’s gland produces proteins, the substances that make up venom. Duvernoy’s glands come in three types, with Type I being the least harmful. Type III glands are found in lethal rear-fanged snakes such as boomslangs.
(http://www.anapsid.org/duvernoygland.html)
prattypus
04-15-2009, 07:17 AM
That's good stuff. I couldn't stop grinning as I read- nice find.
Stefan-A
04-15-2009, 07:28 AM
That's right, Duvernoy's gland is homologous to the "real" venom glands and it can be just as effective.
MasSalvaje
04-15-2009, 11:11 AM
That was excellent! It made me laugh because I have gone through the same "coming out" experience. When I use to go to shows and ask people if they had Garters for sale they would look at me and just chuckle, until they realized I was serious and they would just give me an awkward look. That is until I saw Don at a show with his Garters on display, thanks Don for helping me "come out"!
Good info also, I did not realize there were 3 types of Duvernoys.
Thanks for the link Steve!
-Thomas
Good article, Steve. Thanks for pointing us to it.
Snake lover 3-25
04-15-2009, 03:26 PM
ha ha thanks:)
gregmonsta
04-15-2009, 05:18 PM
A worthy read for sure :)
ssssnakeluvr
04-15-2009, 06:21 PM
Thanks Thomas!! always glad to help people "come out"! good article....I have seen the effects of wanderings bites on mice...has a tranquilizing effect, calms them down so they can swallow them.
k2l3d4
04-15-2009, 10:43 PM
lol lol Oh that is good! Quite funny since just last week I was talking to my neighbor who was insistant that Garters are not poisonous and I so gently corrected her.
TwistidMutations
04-15-2009, 11:00 PM
Thats worth the read! and i know what you mean about wanderings and mice its like a very mild form of neurotoxin like a prarie rattler
MasSalvaje
04-16-2009, 12:55 AM
Thats worth the read! and i know what you mean about wanderings and mice its like a very mild form of neurotoxin like a prarie rattler
Minus the whole hemotoxin thing
I think I would rather take a hit from a Garter over a Prairie Rattler any day, but I get your point. It just made me laugh the way it came across.
-Thomas
azrael
04-19-2009, 01:40 AM
Yup as I have so *looks shamed* found out to my burning surprise... naughty little Garter... seems I and reds don't mix when bitten twice in succession lol!
guidofatherof5
12-11-2009, 12:14 PM
I ran across this article and got a chuckle out of it.
Thought some of you might also. Enjoy.
Here's the link.
Duvernoy's Glands and "Warm" Herping (http://www.anapsid.org/duvernoygland.html)
I thought I would bring this thread up for those of the new members and old to enjoy. My X has made me promise to never have any hots in the house.
I told her there would never be a hot in the house as long as any of the kids we at home.
Hots in the house will probably never happen since I'll be round 60 when my last child could be leaving. My reaction time will be even worse at 60.
I promised her no hots but never said anything about Warms.:D
stripe&houdini
12-11-2009, 07:45 PM
That is hilarious lol
guidofatherof5
06-25-2010, 04:37 PM
I ran across this article and got a chuckle out of it.
Thought some of you might also. Enjoy.
Here's the link.
Duvernoy's Glands and "Warm" Herping (http://www.anapsid.org/duvernoygland.html)
It's been 6 months since I reposted this so I thought it might be time.
It's always a great read.
mustang
06-25-2010, 09:01 PM
honestly im not sure to believe it or not...just people alone on this forum have been bitten, chewed, and gnawed on by garters millions upon millions of times and yet only one mild reaction ever poped up (that i know of) on this forum. maybe its not a venom gland it could have some different function we havent found out yet
guidofatherof5
06-25-2010, 09:10 PM
honestly im not sure to believe it or not...just people alone on this forum have been bitten, chewed, and gnawed on by garters millions upon millions of times and yet only one mild reaction ever poped up (that i know of) on this forum. maybe its not a venom gland it could have some different function we havent found out yet
I've been bit hundreds of times and have only had 1 reaction. Etching and swelling.(lasted a few hours) It was a bite between my fingers. She chewed and produced a lot of saliva.
Most of my bites have been on my fingers/hand.
I think it is used as a venom. Causing the small prey to struggle less. Just my thoughts.
Mommy2many
06-26-2010, 08:12 AM
Just remember our size compared to that of the snake and its prey.
GarterGeek
06-26-2010, 09:32 AM
That was a great article, thanks for bringing it up again. :)
Does the duvernoy gland have anything to do with why so much blood comes from a bite that doesn't even leave a mark, or is that just because the teeth are so small and sharp?
guidofatherof5
06-26-2010, 10:00 AM
That was a great article, thanks for bringing it up again. :)
Does the duvernoy gland have anything to do with why so much blood comes from a bite that doesn't even leave a mark, or is that just because the teeth are so small and sharp?
I think it's the needle like teeth.:D
gartermorphs
06-26-2010, 10:05 AM
hmmm maybe in the future they'll make a medicine out of garter "venom"
Stefan-A
06-27-2010, 11:43 AM
hmmm maybe in the future they'll make a medicine out of garter "venom"
It does have neurotoxic components, so it wouldn't be that far-fetched to think that some of them might find their way into medicine as ingredients in something like muscle relaxants.
guidofatherof5
12-21-2010, 11:13 PM
I ran across this article and got a chuckle out of it.
Thought some of you might also. Enjoy.
Here's the link.
Duvernoy's Glands and "Warm" Herping (http://www.anapsid.org/duvernoygland.html)
It's been 6 months since the last bump. So here it is again for everyone.
andycul
12-22-2010, 04:13 PM
Great article Steve. It's always good to have a laugh while you learn something, lol. :D
kibakiba
12-22-2010, 04:25 PM
Very interesting read. I enjoyed it.
mustang
03-08-2011, 01:12 PM
i give in....it exists....it has to be so...LOOK ITS EVEN ON WIKIPEDIA NOW!!!!!!Garter snake - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Garter_snake)
ha im a HOT keeper :D (yes im a HOT keeper:p (not a narcissist, just stating facts))
so lets talk about methods of venom retreval! florda blues always bite so we ave them as likely canidates!
is there a way to remove venom after death(like massasging(i know im a poor speller) a pitvipers venom out)?
kibakiba
03-08-2011, 01:57 PM
You mean retrieval.
Greg said something about pipettes. That's all I'll say. Seems a bit pointless to try to suck the venom out of them.
guidofatherof5
03-09-2011, 07:31 AM
i give in....it exists....it has to be so...LOOK ITS EVEN ON WIKIPEDIA NOW!!!!!!Garter snake - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Garter_snake)
ha im a HOT keeper :D (yes im a HOT keeper:p (not a narcissist, just stating facts))
More like WARM:D
mustang
03-09-2011, 12:56 PM
More like WARM:D
whatever you say:rolleyes:
kibakiba
03-09-2011, 02:10 PM
If you kept cobras or mambas, it might be hot. Garters don't have potent venom unless you're sensitive to it like me. But, when I get my absolute worst bites, at most the area swells and turns purple. A little lavender oil takes that away fast. I don't think you can do that with a "real" venomous snake bite.
Stefan-A
03-09-2011, 02:30 PM
i give in....it exists....it has to be so...LOOK ITS EVEN ON WIKIPEDIA NOW!!!!!!Garter snake - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Garter_snake)
ha im a HOT keeper :D (yes im a HOT keeper:p (not a narcissist, just stating facts))
A funny thing about that article, is that 08:42 on 23 March 2008, someone located in my home town and using my ISP and my (now former) IP, started the venom section. :rolleyes:
gregmonsta
03-09-2011, 02:35 PM
A funny thing about that article, is that 08:42 on 23 March 2008, someone located in my home town and using my ISP and my IP, started the venom section. :rolleyes:
I told you to keep your doors locked!!! :mad: Letting people into your home to post such rubbish while you are sleeping is a crime!!!!
Oh .... :confused:
Hang on :o
Good job buddy :D
Stefan-A
03-09-2011, 02:40 PM
I told you to keep your doors locked!!! :mad: Letting people into your home to post such rubbish while you are sleeping is a crime!!!!
Oh .... :confused:
Hang on :o
Good job buddy :D
I also kickstarted quite a few articles back in the day. Most of the articles have become more accurate, but that one has stayed pretty much the same, I think. A shame really, most of it is probably BS.
gregmonsta
03-09-2011, 02:50 PM
:rolleyes: Considering some of the papers we've read recently some adjustment/addition could be made.
Light of Dae
12-22-2011, 02:21 PM
HA that's an awesome article (Thanks Steve!)
My mom always freaked out when I'd play with garter snakes as a kid, I never fully believed her when she told me they bite and that her friend almost died from a garter snake bite (Huge allergic reaction) I always just laughed n continued toting around with some awesome buddies (The snakes of course) :rolleyes:
PINJOHN
12-22-2011, 05:16 PM
Yes thanks again Steve i love that lady's humorous take on the story, but she did frighten me with her imagined garter roundup :eek:
EasternGirl
12-22-2011, 05:22 PM
I just read that article for the first time and it was very interesting. I am also interested to see what happens when I do eventually get bit by a garter and it actually draws blood, since I am so allergic to everything. I just hope I don't have a severe reaction!
guidofatherof5
12-22-2011, 05:26 PM
Might be wise to keep an epipen close by.;)
ConcinusMan
12-24-2011, 11:25 PM
I just read that article for the first time and it was very interesting. I am also interested to see what happens when I do eventually get bit by a garter and it actually draws blood, since I am so allergic to everything. I just hope I don't have a severe reaction!
Not likely. It takes quite a bit of chewing and salivating in an open wound to introduce the compounds. The only time I've ever had a reaction to garter snake bites is when I did just that. Let them chew and salivate after breaking the skin, usually when they mistake my hand for food and so they are also drooling quite a bit. Even then, it was minor itching and swelling, after failing to wash the wound right away. It took a while for me to notice symptoms. It goes away as soon as I wash the wound. Just wash any broken skin immediately with warm soap and water. Leaving snake saliva in an open wound is what invites a reaction.
Eight
05-24-2012, 02:01 AM
I think this thread deserves a revival. Garters having a mildly toxic saliva makes sense to me. Especially in regards to eating amphibs, which would absorb the toxin through the skin and with little encouragement needed with teeth.
Stefan-A
05-24-2012, 04:42 AM
The saliva is not toxic, it's the secretions from the glands that are.
Eight
05-24-2012, 05:10 AM
Yes but is then the enzymes are mixed with the saliva, which is the delivery method as opposed to having fangs to inject venom. Maybe I should of been more specific to begin with but I really didn't think it was needed.
guidofatherof5
05-24-2012, 05:43 AM
Yes but is then the enzymes are mixed with the saliva, which is the delivery method as opposed to having fangs to inject venom. Maybe I should of been more specific to begin with but I really didn't think it was needed.
Thanks for bumping this thread up.
I think the distinction is needed as newer member may be mislead with "toxic saliva" if they don't read the entire thread, which happens sometimes.
Garters are such an amazing animal. Their own spin on venom. Love it.
Eight
05-24-2012, 06:45 AM
Well if your going to do something you may as well make it your own. And I thank you for making this thread. I had only heard rumour about the subject before and only recently. And fair point about distinguishing for the sake of everyone.
guidofatherof5
10-13-2012, 09:37 PM
I ran across this article and got a chuckle out of it.
Thought some of you might also. Enjoy.
Here's the link.
Duvernoy's Glands and "Warm" Herping (http://www.anapsid.org/duvernoygland.html)
Time for a bump. Always a good read.
ConcinusMan
10-14-2012, 12:27 AM
Duvernoy’s Gland Secretions in Colubrid Snakes « Bugs In The News (http://bugsinthenews.info/?p=854)
-MARWOLAETH-
10-14-2012, 05:04 AM
I told my Mam about garter snakes having a venom gland recently but "forgot" to tell her it's used to calm struggling preys:p she went around the house shouting "He's got a venomous snake in his bedroom!".
http://t1.gstatic.com/images?q=tbn:ANd9GcR6E7FmO2MwEeWP_dn3n_dzevw1bKgbR 2utx46X_hhj-c79CovY
guidofatherof5
07-10-2014, 09:35 PM
Bump
guidofatherof5
09-08-2015, 05:54 PM
Bump
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