| hibernating gland | A thermogenic type of adipose tissue containing a dark pigment, and arising during embryonic life in certain specific areas in many mammals, including man. It is prominent in the newborn of all species in which it occurs and remains a distinct and conspicuous tissue in the adults of certain species, especially those that hibernate. It is also called brown adipose tissue. (12 Dec 1998) |
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| myocardium | <anatomy> A term used to describe the middle layer of the heart wall (heart muscle). (27 Sep 1997) |
| fragmentation of the myocardium | A transverse rupture of the muscular fibres of the heart, especially those of the papillary muscles. (05 Mar 2000) |