eccrine porocarcinoma is a rare malignant adnexal tumor of ductal portion of eccrine sweat gland. it occurs commonly in the lower extremities and rarely in scalp, face, ear, trunk and upper extremities. this survey presents a classic case of eccrine porocarcinoma of scalp in a 58 yr old male patient, presenting as cauliflower like growth over parietal aspect of scalp.

Pure preparations of phosphatidylcholine were isolated from spinach leaf chloroplasts, spinach leaf microsomes, and cauliflower inflorescence. The isolated phosphatidylcholine was treated with snake venom phospholipase A, and the fatty acid distribution and composition of the fatty acid methyl esters prepared from the lysophosphatidylcholine and the freed fatty acid were determined by gas-liqui...

RNA prepared from fractions of chloroplasts and mitochondria sedimented at rates characteristic of ribosomal RNA. A predominance of the 18S species was frequently observed in preparations from chloroplasts from romaine lettuce and endive. The usual distribution, a preponderance of the 28S species, was observed in studies on tomato and spinach chloroplasts and mitochondria from mushroom and caul...