Download the HBSE Class 11 Syllabus 2025-26 PDF for Biology from the official Haryana Board website. Access chapter-wise ...

Ultrasound revealed multiple, round, heterogeneous hyperechoic follicles and free anechoic fluid in the coelom. The color flow examination through the right pre-femoral fossa revealed the absence of ...

The experiments upon which this report is based were carried out at the University of Rochester. The manuscript was prepared at Stanford University during a stay of four months in the laboratory of ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Unusual or accidental cases of ovotestis in regular gonochoric species has been observed in several sea urchin species that led to indicate that they are hermaphrodites ( Boolootian and Moore, 1956; ...

The peanut worms are also pretty simple inside their bodies, with no circulatory or respiratory systems. Fluid in the body cavity, or coelom, takes care of these important functions. The rest of the ...

There first point of view on the last common bilaterian ancestor suggests that it was a worm without a coelom what means the second body cavity. Proponents of this theory are sure that in addition ...