Entries by Brian Wabwire

The lumen of kidney tubules

A kidney specimen is presented at medium power and intentionally presented in grey scale without colour to test your skill in critical observation of structure. Identify the tissue that lines the spaces (lumen of kidney tubules) that are indicated by blue triangles. They are all lined with the same type of fissue.

Intercalated discs desmosomes contract gap junctions

Intercalated discs desmosomes contract gap junctions. Cardiocytes are connected by structures called Intercalated discs. They include fascia adherents, actin and myosin filaments attached to plasma membranes, and weld-like structures called the cytoplasms between adjacent cells, which are connected and permit ions to pass from one cell to the next. The movement of ions between adjacent […]

The deep tendon reflexes

A 24 year old man is brought to the physician because of a 3 day hsitory of progressive numbness of both feet that now has ascended to the level of his thighs. In the last 24 hours, he has developed numbness and tingling of his hands. Physical examination shows an ataxic gait. Deep tendon reflexes […]

Development of the skeletal system

During the process of development of the skeletal system, emrbryonic cells, known as mesenchyme cells, may develop into either osteoblasts or chondroblasts, which, in turn, may develop into osteocytes and chondrocytes (respectively). This process is an example of A. growth B. metabolism C. differentiation D. responsiveness E. movement

The rheumatoid arthritis

Your friend has rheumatoid arthritis and asked you if she should take over-the-counter preparations containing borage oil. She read an advertisement for arthritis sufferers about the benefits of this product. How would YOU answer her question? Can you safely say it is a good idea to try this treatment? Would it help relieve her symptoms? […]