December 23, 2011 # 9:14 am # Anatomy # One Comment
All are about 45 cms or 18 inches:
Length of Vas deferens or ductus deferens
Length of thoracic duct
Length of Spinal cord
Femur (for 6 feet person)
Length of transverse colon
Distance from the incisor teeth to the cardiac end of the stomach
Umbilical cord at birth
Length of sartorius muscle
All are about 25 cms or 10 inches:
Length of Esophagus
Length of Ureter
Length of Duodenum
Length of Descending colon
All …
November 20, 2011 # 4:35 pm # Microbiology # No Comment
Mycobacterium Tuberculosis Complex (MTC):
Mycobacterium tuberculosis
Mycobacterium bovis
Mycobacterium microti
Mycobacterium africanum
Mycobacterium canettii
General Characteristics:
Nonmotile, nonsporing and noncapsulated bacillus arranged singly or in group
Has a complex peptidoglycan arabinogalactan mycolate cell wall that is approximately 60% lipid, resulting in acid-fastness, poor Gram staining (weakly gram positive), and resistance to drying and many chemicals
Mycobacterium tuberculosis appears slender, straight or slightly curved rod with beaded or barred appearance …
October 31, 2011 # 9:55 pm # Pathology # 2 Comments
Definition:
Rheumatic fever (RF) is an acute, immunologically mediated, multisystem inflammatory disease involving heart, joints, CNS, skin and other tissues that occurs a few weeks after an episode of group A β-hemolytic streptococcal pharyngitis. Acute rheumatic heart disease (RHD) is the cardiac manifestation of RF and is associated with inflammation of the valves, myocardium, or pericardium. Rheumatic fever is said to “lick …
October 20, 2011 # 9:57 pm # Physiology # 7 Comments
Definition: Cardiac cycle refers to the cardiac events that occur from the beginning of one heart beat by spontaneous generation of action potential in SA node to the beginning of the next. When the heart rate is 75/min, the period of one cardiac cycle is 0.8 sec.
Important terms:
Diastole: a period of relaxation during which heart fills with blood
Systole: a period …