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What is the significance of differentiating anatomical neck and surgical neck of a bone? What could be criterias for differentiation? I found an article here that says fractures to surgical neck ar …

This book says: The larger particles (> 10 μm diameter) are filtered by hair in the nostrils If we see the anatomy of nasal hairs and its density in the nostrils then it seems that its impossibl …

This textbook states The hand (or manus) consists of the following parts: (a) wrist or carpus, (b) hand proper (or metacarpus), and (c) digits (thumb and fingers). How could I justify why are di …

Why are sutural bones (Wormian bones) are more commonly present at lambdoid suture? Is the tortuous nature of lambdoid suture a reason for that? Evidences for my claim: They(sutural bones) occu …

BACKGROUND: The interauricular line is the line connecting two auricles. I wish to know the exact route through which this line passes. I want to be sure whether it passes through the parietal prom …

For most of the long bones head is the proximal end, but for metacarpals and Ulna, head is the distal end. Why are their distal ends called as heads? What's the criteria for calling an end as head en …

My book( textbook of anatomy abdomen and lower limb 2nd edition - by vishram Singh pg.no:286) says: Acute arterial occlusion: It is mostly caused by embolism or thrombosis. It usually occurs in th …

How does the columnar cells of spongy urethra expand during tumescence(erection of penis)? If we assume that the urethra has the length, long enough to sustain tumescence without expansion of cells, t …

Why dow we consider mandibular symphysis(symphysis menti) as type of Amphiarthrosis that too of symphysis variety, eventhough it lacks movement and cartilage at joint? Why don't we consider as Synost …

Why are special visceral efferent nerves are named as such? They are supplying motor impulses to muscles of pharyngeal arch, which are both skeletal(facial) and visceral(laryngeal) 1, so why only vi …

Is there anything special about not considering ear ossicles as a part of skull? I could not understand the reasoning behind such classification.

1-How does massaging of carotid artery at chassaignac tubercle( anterior tubercle of transverse process of C6 vertebra ) can relieve the symptoms of Supraventricular Tachycardia? My attempt: I think …

Why does infection and scarring occurs at poles in Vesicoureteric reflux but not in Obstructive pyelonephritis? It is said in Robbins that, it is due to polar papillae being flattened or concave un …