Design a molecular manipulation that would instruct neuroepithelial progenitors in the dorsal neural tube to adopt a ventral fate. how about one that leads to the transformation of the fifth digit into the morphology of the first digit? be sure to clearly describe the molecule your manipulation will target, whether you reduce or increase the molecule’s function, and the anatomical location of its action in your answer.
during the course of infection the parasite, Giardia lamblia, pass through many anatomical locations to achieve its pathogenic effects which occurs in one host.
Explanation: infective form of the parasite is the mature cyst. Infection is acquired through ingestion of cysts in contaminated water or food. From the mouth the cyst passes down to the duodenum where it undergoes excystation. The cyst hatches out two trophozoites. By means of concavity on its ventral surface the trophozoites attaches to the epithelial lining of the small intestines. Encrustation occurs commonly in transit down the colon. Trophozoites retract the flagella into the axonemes, the cytoplasm becomes condensed and a thin tough hyaline cyst wall is secreted. As the cyst matures, the internal structures are doubled, so that when excystation occurs, the cytoplasm divides thus reproducing two trophozoites. Trophozoites are expelled through the anus with diarrhoeal stools.
-Shaft of the bone closest to the shoulder joint
-The diaphysis is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat).
-Compared to the other parts of a long bone, the diaphysis is quite different. It has a hollow inside with an open space called the medullary cavity. The cavity is filled with yellow bone marrow, along with blood vessels that supply the living bone tissue.
b. shaft of the bone closest to the elbow joint.
In medicine proximal is defined as "Toward the beginning, the nearer of two (or more) items, nearest the trunk or the point of origin" and diaphysis is defined as "the main or midsection (shaft) of a long bone".
Considering these definitions we can conclude that the correct answer is b. shaft of the bone closest to the elbow joint because the elbow is closer that the shoulder to the trunk and diaphysis refers to the shaft.
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Explanation Gross Anatomy. The ovaries are the female pelvic reproductive organs that house the ova and are also responsible for the production of sex hormones. They are paired organs located on either side of the uterus within the broad ligament below the uterine (fallopian) tubes.Gross Anatomy. The ovaries are the female pelvic reproductive organs that house the ova and are also responsible for the production of sex hormones. They are paired organs located on either side of the uterus within the broad ligament below the uterine (fallopian) tubes.
G. lamblia takes on two morphologically distinct forms during its life cycle. Giardia infects humans but is also one of the most common parasites infecting cats, dogs, and birds. Giardia infects humans but is also one of the most common parasites infecting cats, dogs, and birds.Further Explanation
Giardia is a microscopic parasite that causes diarrhea known as giardiasis. Giardia (also known as Giardia intestinalis, Giardia lamblia, or Giardia duodenalis) is found on the surface or in soil, food, or water that has been contaminated with feces (feces) from infected humans or animals.
Giardia is protected by external skin which allows it to stay outside the body for long periods of time and makes it resistant to chlorine disinfection. While parasites can be spread in various ways, water (drinking water and recreational water) is the most common mode of transmission.
Giardia trophozoites absorb their nutrients from the intestinal lumen and are anaerobic. If an organism is divided and stained, its characteristic pattern resembles the familiar "smiley face" symbol. The main pathways for human infection include the ingestion of untreated waste, a phenomenon that is very common in many developing countries; natural waters contamination also occurs in watersheds where intensive grazing occurs. Giardia infections occur worldwide, however, Giardia lamblia is the most commonly identified intestinal parasite in the United States and Canada among children in child care centers, pedestrians, family members, and adults who have immune disorders. About 20,000 cases per year in the United States are reported.
keywords: Giardia lamblia
located in the posterior abdomen.
located in the posterior abdomen.
They are organs that are located on either side of the uterus within the broad ligament. The broad ligament is a membrane fold that attaches the uterus, fallopian tubes, and ovaries to the pelvis below the uterine also called the fallopian tubes
The ovaries are held by a membrane that is located beside the uterus on each side of the lower abdomen.