howMed Know Yourself
“Stress is not necessarily something bad – it all depends on how you take it. The stress of creative successful … Read More »
Stress Management
Derivatives of Mesoderm (Embryonic Period)
•Initially cells of mesodermal germ layer forms a thin sheet of loosely woven tissue on each side of midline. Paraxial … Read More »
Derivatives of Ectodermal Germ Layer (Embryonic Period)
Human Embryonic Period (3rd to 8th Week) This is the organogenetic period in which all major external and internal structures … Read More »
First and second week of development
First week of development CLEAVAGE Cleavage is the series of mitotic cell divisions of the zygote, resulting in the formation … Read More »
Spermatogenesis
The reproductive system of the male has two major functions: Production of sperm Delivery of these to the reproductive tract … Read More »
Oogenesis and Ovarian Cycle
PRIMORDIAL GERM CELLS Gametes are derived from PGCs. Formed in the epiblast during 2nd week and move to the wall … Read More »
Chromosomal Abnormalities
Causes of birth defects and spontaneous abortions are two fold: 1. Chromosomal abnormalities 2. Genetic factors Incidence For Major Chromosomal … Read More »
Mitosis and Meiosis
CHROMOSOMES Are structures composed of condensed DNA and associated proteins When DNA condenses, the molecule becomes wrapped around proteins called … Read More »
Upper GI Hemorrhage (UGIH)
UGIB is bleeding derived from a source proximal to the Ligament of Treitz. Photo by AJC1 Acute Upper G.I. Bleeding … Read More »
Chemotherapy and Radiation
Role of chemotherapy As primary curative therapy. As adjuvant treatment. As neo adjuvant treatment. As palliative chemotherapy for advanced disease. … Read More »