What's the difference between univalve and univalvular?

Univalve

Definition:

• (n.) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs.
• (a.) Alt. of Univalved

Example Sentences:

• (1) An vibrating electromagnetically driven univalved artificial heart was newly developed in our team.
• (2) A univalved artificial heart (AH) powered electromagnetically in the frequency range of 1-30 Hz was developed to obtain a totally implantable AH.

Univalvular

Definition:

• (a.) Same as Univalve, a.

Example Sentences:

• (1) Libman-Sacks-type endocardial lesions, present in 18 (50 per cent) of our patients, were smaller, fewer in number, univalvular rather than multivalvular, and mainly left-sided.
• (2) The plurivalvular patients have a higher frequency of recurrences than the univalvular patients.
• (3) No patient died in the case of univalvular vegetations.
• (4) Specimens from the right auricular appendage were obtained during open-heart surgery from patients suffering from 1. ischaemic heart disease (IHD), 2. atrial septal defect of the secundum type (ASD), and 3. left-sided univalvular or multivalvular heart disease (VHD) with or without congestive heart failure (CHF) experienced prior to surgery.