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Before ovulation occurs, the average diameter of the dominant follicle is 22 to 24 mm (range 18-36 mm). It is the only marker that can predict ovulation with ease. * In stimulated cycle (hormonal treatment), generally, all or most of the antral follicles grow. The growth rate will be different for each of them.
Urological surgeons have become proficient at performing complex pelvic urological procedures, such as radical prostatectomy, using the laparoscopic approach. Declan Murphy and Daniel Moon share their experience of four less common procedures they have performed recently using laparoscopic techniques. These include: excision of a urachal cyst; partial cystectomy for endometriosis (combined endoscopic-laparoscopic approach); repair of an intra-peritoneal bladder rupture; and repair of a ureteric injury (combined endoscopic-laparoscopic approach).
A good starting point for any scientist in any field is to recognize that there is much we do not know. We do not know, for example, why there is more matter than antimatter in the universe. We do not know very well how the evolution of the dinosaurs filtered out. And, perhaps most surprising of all is that we do not know very well how many organs the human body has or what all its functions are.
Sexually Transmitted Diseases (STDs) affect millions of people each year. The most common STDs are gonorrhea, chlamydia and trichomoniasis. While even thinking about STDs and whether you may have one is scary, knowing the facts can make a big difference in your long-term health. Here is what you need to know:
People who are sexually active with multiple partners and are not using barrier protection are at most risk. Teenagers are a large part of this group, because they dont always practice safe sex and they are more likely to have multiple partners. It is recommended that women who are sexually active with multiple partners get screened yearly or immediately after they have engaged in unprotected sex. If you discover that you have an STD, both you and your partner would most likely be treated with antibiotics.
Gonorrhea
Approximately 350,000 cases of gonorrhea were reported to the CDC in 2006, but because not everyone is getting tested for STDs, experts believe the actual numbers are twice that.
The symptoms for gonorrhea are burning with urination, abnormal discharge or pelvic pain. Pelvic pain indicates a very severe infection. Untreated gonorrhea can lead to a serious infection as the disease may spread to a womans fallopian tubes and cause infertility.
Chlamydia
There were 1,000,000 cases of chlamydia reported to the CDC in 2006; experts think the actual rate of infection is as high as 2,000,000 cases.
Chlamydia is often called the silent disease because many people with chlamydia have no symptoms. Chlamydia can affect the urethra, the vagina, the cervix and the fallopian tubes. Symptoms include burring with urination, abnormal discharge and pelvic pain. If you are experiencing any of these systems you should see your doctor to determine if you have chlamydia. Women with chlamydia who arent treated are likely to develop pelvic inflammatory disease. Pelvic inflammatory disease occurs when the infection spreads and causes scarring to the uterus and fallopian tubes. Untreated chlamydia can result in infertility.
Trichomoniasis
Trichomoniasis is the most common STD. About 7 million women and men have trichomoniasis. Women who have trichomoniasis will often experience a frothy yellow or green discharge coming from their vagina. But some people wont have any symptoms.
Understanding STDs, what causes them, and how to treat them will help you stay in control of your health.
An abscess is a tender mass generally surrounded by a colored area from pink to deep red. Abscesses are often easy to feel by touching. The middle of an abscess is full of pus and debris. Painful and warm to touch, abscesses can show up any place on your body. The most common sites are in your armpits (axillae), areas around your anus and vagina(Bartholin gland abscess), the base of your spine (pilonidal abscess), around a tooth (dental abscess), and in your groin. Inflammation around a hair follicle can also lead to the formation of an abscess, which is called a boil (furuncle).
The robotic approach to renal surgery, particularly partial nephrectomy, has some inherent challenges, and some familiarity with the da Vinci robotic system is necessary. The surgeon must gain an understanding of the robotic arm movements and range of motion, especially in relation to the clutch and camera. The advent of robotically assisted prostatectomy in 2001 [23] paved the way for widespread accessibility to the da Vinci robotic unit and its application to renal surgery. Since that time, at least one multi-institutional survey has demonstrated superiority of the robotic approach when compared to laparoscopic for outcomes of blood loss, hospital stay and a substantially shorter warm ischemia time, while maintaining equivalence in positive margin rate, operative time and complications. [11] A transperitoneal approach is most commonly used. Prior abdominal operation is not necessarily a contraindication to this procedure, but access should be approached with regard for previous operation(s) by an experienced team.
The virus was first discovered in 1964 when Sir Michael Anthony Epstein and Ms. Yvonne Barr found it in a Burkitt lymphoma cell line. In 1968, the virus was linked to the disease infectious mononucleosis. Infection with Epstein-Barr virus (EBV) is common and usually occurs in childhood or early adulthood. EBV is the cause of infectious mononucleosis (also termed "mono"), an illness associated with fever, sore throat, swollen lymph nodes in the neck, and sometimes an enlarged spleen. It is also known as human herpes virus 4. Although EBV can cause mononucleosis, not everyone infected with the virus will get mononucleosis. Less commonly, EBV can cause more serious disease. Symptoms caused by EBV are usually mild and self-limited, but the virus persists in the body for life. It can be reactivated quietly without causing symptoms and may contaminate saliva. Thus, otherwise healthy people can spread the virus to uninfected people through kissing or sharing
Usually a sebaceous cyst grows very slowly and doesn't cause pain. However, they can become inflamed or infected, with the overlying skin becoming red, tender, and sore. Sometimes, they occur on a site that is constantly irritated, such as a cyst on your neck that rubs against your collar.
A ventricular assist device (VAD) — also known as a mechanical circulatory support device — is an implantable mechanical pump that helps pump blood from the lower chambers of your heart (the ventricles) to the rest of your body. A VAD is used in people who have weakened hearts or heart failure. Although a VAD can be placed in the left, right or both ventricles of your heart, it is most frequently used in the left ventricle. When placed in the left ventricle it is called a left ventricular assist device (LVAD). You may have a VAD implanted while you wait for a heart transplant or for your heart to become strong enough to effectively pump blood on its own. Your doctor may also recommend having a VAD implanted as a long-term treatment if you have heart failure and you're not a good candidate for a heart transplant.
This video: Pericarditis is swelling and irritation of the pericardium, the thin sac-like membrane surrounding your heart. Pericarditis often causes chest pain and sometimes other symptoms. The sharp chest pain associated with pericarditis occurs when the irritated layers of the pericardium rub against each other. Pericarditis usually begins suddenly but doesn't last long (acute). When symptoms develop more gradually or persist, pericarditis is considered chronic. Most cases are mild and usually improve on their own. Treatment for more-severe cases may include medications and, rarely, surgery. Early diagnosis and treatment may help to reduce the risk of long-term complications from pericarditis.
In this episode of Crash Course Anatomy & Physiology, Hank gives you a brief history of histology and introduces you to the different types and functions of your body's tissues.
Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
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Chapters:
Introduction 00:00
Nervous, Muscle, Epithelial & Connective Tissues 1:23
History of Histology 2:07
Nervous Tissue Forms the Nervous System 5:17
Muscle Tissue Facilitates All Your Movements 7:00
Identifying Samples 9:03
Review 9:48
Credits 10:22
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Invasive intracranial pressure monitoring. The most common surgically placed monitors for ICP measurement are intraventricular catheters (external ventricular drain [EVD] or a ventriculostomy drain) and fiberoptic ICP monitors implanted into the parenchyma of the brain.
Cytomegalovirus (CMV) is a common virus that can infect almost anyone. Most people don't know they have CMV because it rarely causes symptoms. However, if you're pregnant or have a weakened immune system, CMV is cause for concern. Once infected with CMV, your body retains the virus for life. However, CMV usually remains dormant if you're healthy. CMV spreads from person to person through body fluids, such as blood, saliva, urine, semen and breast milk. CMV spread through breast milk usually doesn't make the baby sick. However, if you are pregnant and develop an active infection, you can pass the virus to your baby.