| 00:12 | Yes. Right, Alright folks, let's uh testing testing here we |
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| 01:03 | Okay, there we go. Um , so schedule, so as you |
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| 01:10 | tell we are on track um so is no remember that mastering was extended |
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| 01:20 | , so you have till tonight to it in, that was due to |
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| 01:24 | saturday maintenance work going on. So have basically have until tonight to turn |
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| 01:29 | um There is no there's no weekly , no weekly quiz this week and |
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| 01:38 | other mastering that's due next week, basically a week off from that, |
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| 01:43 | of course exam to later this Um of course you have any last |
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| 01:48 | questions or anything feel free to come officers or email. Okay. Um |
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| 01:56 | see, so we're gonna finish unit . Okay. Which is the and |
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| 02:01 | started to check the 12. Did of that a little bit left to |
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| 02:04 | but because we are way ahead of , I do have a question, |
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| 02:08 | it's gonna be an easy choice, your choice. Okay, I'm prepared |
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| 02:14 | do prepared to do either. so here is your options here. |
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| 02:19 | right, so finish the unit to which is, I don't know seven |
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| 02:24 | eight slides and then starting at three , which is per schedule, that's |
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| 02:28 | that's what, that's what's on the anyway, but finishing it too and |
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| 02:34 | then but then just forget about we'll start unit three on thursday. |
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| 02:40 | , I mean I'm sorry, start backwards. Alright, finishing it too |
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| 02:44 | then go ahead and you say okay ahead, let's go ahead and start |
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| 02:48 | three already. Okay, so your . Alright, I can prepare it |
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| 02:52 | either obviously more preparation to do uh do a B but I'm okay with |
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| 03:07 | . Like I said we're ahead of so we need to be farther ahead |
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| 03:11 | we'll just be right on track. . Okay. Hey counting down. |
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| 04:02 | , so if you just got here your choice. Whether you want to |
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| 04:08 | leave class earlier, continue. Alright, count down from five |
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| 04:27 | Okay, what's the answer gonna be guesses? I don't know. Survey |
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| 04:36 | okay, your wish is my Okay, so Alright well before we |
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| 04:44 | there we have to we can't we stop yet. Alright, so let's |
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| 04:49 | push ahead. Um Okay the so have gotten to basically we just have |
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| 05:01 | group. Okay, your helmets. , so these are definitely of everything |
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| 05:08 | this group. Of course there's certain of course are visible to naked |
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| 05:14 | lichens are visible to the naked but helmets are going to be visible |
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| 05:19 | the naked eye as well as we're about your big big multi cellular animals |
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| 05:25 | . Okay, um that of course interest here is those that cause infectious |
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| 05:31 | . So we'll kind of mention some these things. So this group. |
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| 05:37 | , so I I'm not With this 12. Okay, so um it's |
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| 05:47 | really more overview type thing here as sure you can gather of course and |
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| 05:51 | mentioned some specific features about these different but you know it's you should have |
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| 05:59 | idea of kind of you see if see this back up here, if |
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| 06:03 | see um you know, you should the basics before you talk more about |
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| 06:09 | than any of any of the other . Um you should be able to |
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| 06:15 | the basic features of each group. would you know if you saw |
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| 06:18 | How would you know, what are features that kind of thing? Um |
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| 06:22 | said like and that, you you know, symbiotic relationship. Um |
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| 06:27 | kind of really just you don't need memorize the life cycles of things. |
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| 06:33 | . And you'll see a few more those life cycles today. But |
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| 06:36 | just mostly what are the what are groups, what are the features? |
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| 06:39 | are some of the diseases we see ? And I don't have to describe |
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| 06:43 | disease is just kind of what's what see with these different ones. |
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| 06:47 | Um so with helmets and so basically two groups, so what we call |
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| 06:55 | based on their form, right flatworms. So a fluke for example |
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| 07:01 | in that group, tapeworm is in group. Um These are all parasitic |
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| 07:08 | many of these cause uh gastrointestinal type , particularly nematodes um and certainly tapeworms |
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| 07:23 | do that. So they do have features and things that enable them to |
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| 07:28 | in the host. So tapeworms will kind of suckers on their head to |
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| 07:32 | of stick to your intestinal walls, like that. Um They because they're |
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| 07:39 | simple, okay, they don't have lot of functions. And because they're |
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| 07:45 | and they rely on the host for and things like that. They're not |
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| 07:49 | to have all the features of a developed animal, let's say. |
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| 07:53 | so um tapeworm is kind of more less just like a tube with food |
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| 07:59 | through it and it absorbs nutrients. it's not a not a complete digestive |
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| 08:04 | for example. Um The movement is limited. A lot of your flukes |
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| 08:14 | are in the flat form category are of aquatic type organisms. Uh You're |
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| 08:22 | so they kind of move, you as the water takes them, so |
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| 08:24 | speak. Um The nematodes typically are that are in soil but also can |
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| 08:31 | uh eggs that are ingested typically from in feces. And so it |
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| 08:37 | watering may ingest. So that's very , particularly for the roundworms, tapeworms |
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| 08:43 | well. Um Let's see. They have complicated life cycles. So we'll |
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| 08:50 | with the fluke for example we can different multiple hosts. Okay, uh |
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| 08:57 | fluke are their flukes. So basically have a what's called the dorsal |
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| 09:02 | eventual surface to them. A skin they call a cuticle covering kind of |
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| 09:09 | material through that. Um So very . Not really a complete digestive system |
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| 09:16 | of course we would have. um The types of disease causing types |
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| 09:22 | based on um the kind of tissue invades. Right? So it's a |
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| 09:27 | fluke versus a liver fluke versus a fluke. So kind of determines kind |
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| 09:34 | what kind of these they'll cause, on specific for a particular tissue type |
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| 09:40 | . And so these will have a cycle as you see her. And |
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| 09:46 | , you don't need to memorize this cycle, but just to show especially |
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| 09:50 | are part of the country. Everybody likes to I love to eat |
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| 09:54 | when it's in season. All So here is a crawfish is a |
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| 09:58 | host. So you have a snail a crawfish as hosts for this um |
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| 10:05 | fluke. Okay, we would get by ingesting contaminated crawfish. Okay. |
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| 10:12 | It would then like eggs in our uh then uh through our body would |
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| 10:18 | , and then of course typically excreted feces and then that's how other organisms |
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| 10:24 | acquire it, snail for example. but again, not uncommon for these |
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| 10:30 | of organisms, as we saw with can have some of these can have |
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| 10:34 | complex life cycle as well. And human host that's part of it. |
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| 10:40 | that's when we can get infected with . Okay. And so um now |
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| 10:48 | tapeworms. Right? So tapeworms are kind of a complex structure as you |
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| 10:54 | here in terms of their head So that skull X. Is what |
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| 10:57 | called has multiple suckers on it. would get this by ingesting again, |
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| 11:04 | water source uh eggs, eggs would in your intestines and then attached through |
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| 11:13 | suckers if you will hear um many these like tapeworm. These other worms |
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| 11:19 | also um we call hermaphroditic. They both male and female reproductive workers. |
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| 11:26 | so they can reproduce a sexually by basically. And so the tapeworm can |
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| 11:33 | quite large. Okay, Probably Google . I mean you'll see these pictures |
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| 11:39 | these things can be like 30 ft . Crazy. Um It's also a |
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| 11:45 | a source of the market. It a as a weight loss remedy. |
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| 11:52 | can actually buy it a tapeworm and it and it's touted as a way |
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| 11:57 | lose weight. I guess you could weight that way but I wouldn't want |
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| 12:01 | swallow a tapeworm and do that. But it can it can clip |
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| 12:07 | so it has these segments you see and you can actually clip one of |
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| 12:13 | off and it'll grow a whole new work. Okay, so um the |
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| 12:21 | we call plenty helmets, which includes and flukes. So again passing types |
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| 12:29 | on the tissue types, the effect guess I've mentioned before blood fluke liver |
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| 12:34 | lung are common among this group. , tapeworms I just mentioned either through |
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| 12:41 | water or can be through food. . If you have you've been around |
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| 12:47 | you're familiar with or maybe your family livestock, right? Whether its cattle |
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| 12:52 | horses or what have you, you to typically de worm them right throughout |
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| 12:59 | year. And so because they acquire kinds of things like tapeworms, |
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| 13:06 | etcetera, this is a part of because they're found in soil and just |
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| 13:10 | eating grass. They just ingest these . And so they can uh if |
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| 13:16 | don't control them, they can't of have a take a toll on the |
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| 13:21 | because there these things are eating, know, nutrients taking them from from |
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| 13:26 | body they're in and it can cause you're certainly going to be better off |
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| 13:32 | wise without them than with them. , So the warming that that's done |
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| 13:36 | livestock is kind of for that Okay, Because they will ingest these |
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| 13:41 | things and can be growing in Okay. Um and so roundworms again |
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| 13:46 | more of this whole group around or little bit more on the more more |
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| 13:53 | their higher order animals, if you . Okay, relatively speaking. And |
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| 13:58 | they can have a complete digestive These are also many of these |
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| 14:04 | there's sex is so unlike a hermaphrodite actually males and females within a |
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| 14:10 | Okay. And not all of these necessarily parasitic, some just kind of |
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| 14:15 | on their own. It really don't any kind of disease in humans, |
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| 14:21 | those that do can be from uh eggs. So the pin worm, |
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| 14:28 | think I've read that the pin worm the most common worm infection in the |
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| 14:36 | . Okay, so it's often a among little kids because you know, |
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| 14:42 | kids can't, are going to be most hygienic, right? And so |
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| 14:45 | somewhat associated with hygiene to a but the worms getting can on your |
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| 14:52 | because itchiness and things like that. The other types of course can get |
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| 14:58 | your intestines and cause gastrointestinal upsets. like that. Hookworm is like |
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| 15:07 | so try canelo sis. Okay, that's a foodborne disease. And so |
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| 15:13 | trick canela is the worm that is in the animal. And so it's |
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| 15:20 | uncommon to find it in pork for , so pigs can have it and |
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| 15:24 | we're in that kind of gross and of lives in the muscle tissue. |
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| 15:28 | so if you eat meat from a animal, you have to make sure |
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| 15:33 | very well cooked. Um so you get infected with that heartworm disease. |
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| 15:40 | it certainly if you have pets dogs particular heartworm can in the same way |
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| 15:47 | can infect the heart tissue and you there a worm long worm or maybe |
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| 15:53 | are multiple worms that are have infected tissue and obviously it's gonna be fatal |
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| 15:59 | basically animal dies from heart failure as result. Um So that that really |
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| 16:10 | the last of of chapter 12. . Uh many questions about that, |
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| 16:17 | gonna do a couple do a clicker related to this and then I do |
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| 16:23 | to just Briefly talk about 14 only terms of what to expect and just |
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| 16:30 | you a heads up on on one . So let me just let's do |
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| 16:32 | question and then uh So again what know in chapter 12 is kind of |
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| 16:42 | stuff kind of, here's the is this fit or not fit, |
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| 16:46 | kind of thing. You said there some questions on the unit quiz like |
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| 16:51 | too, so that's kind of level what I'm looking at here. So |
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| 17:04 | you just arrived, you're about to because we voted on um we're gonna |
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| 17:12 | unit three today or not because we're of schedule. So according to the |
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| 17:16 | schedule, we're not scheduled to start three until thursday. I had the |
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| 17:22 | idea of starting early today. So was and as you all voted, |
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| 17:27 | was a crazy idea of mine. uh so you elected to leave |
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| 17:48 | So while you're sitting there answering Just to mention them at 14, |
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| 17:54 | a lot of terminology in that in chapter. Okay. Um so I |
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| 18:02 | basically have a slide not posted on that lists all the terms, so |
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| 18:08 | just have a a record of all this stuff will go through in |
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| 18:13 | of terminology, hey. Yeah. , it is a noninfectious toxin |
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| 18:29 | Okay, so here is, so will cover? So basically as we |
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| 18:36 | into the rest of the semester, pretty much focused on the medical aspect |
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| 18:44 | every of of things. And uh, this chapter 14 is kind |
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| 18:50 | overview of disease and that's why it a lot of terms as you see |
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| 18:55 | those are terms. Right? um, yeah, so just be |
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| 19:02 | of that. And so we'll start about this thursday and continue. So |
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| 19:08 | this is not on, this is on chapter on exam to exam |
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| 19:11 | Okay, so as you've spoken, will start this on thursday |
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