What's the difference between syzygial and syzygy?

Syzygial

Definition:

Example Sentences:

(1) Syzygy and gamete formation occurred in the gut of a leech, Johanssonia sp.
(2) The second one is related to the genus Pterospora (in the Polychaeta host, Petaloproctus terricola) but differs from the three species already known by its size and number of terminal digitations in specimens always found in syzygy.
(3) It is characterized by early syzygies with lateral connection and navicular sporocysts with similar poles.

Definition:

(n.) The point of an orbit, as of the moon or a planet, at which it is in conjunction or opposition; -- commonly used in the plural.
(n.) The coupling together of different feet; as, in Greek verse, an iambic syzygy.
(n.) Any one of the segments of an arm of a crinoid composed of two joints so closely united that the line of union is obliterated on the outer, though visible on the inner, side.
(n.) The immovable union of two joints of a crinoidal arm.

Example Sentences:

(1) Syzygy and gamete formation occurred in the gut of a leech, Johanssonia sp.
(2) The second one is related to the genus Pterospora (in the Polychaeta host, Petaloproctus terricola) but differs from the three species already known by its size and number of terminal digitations in specimens always found in syzygy.
(3) It is characterized by early syzygies with lateral connection and navicular sporocysts with similar poles.