What's the difference between ostiole and syconium?

Ostiole

Definition:

(n.) The exterior opening of a stomate. See Stomate.
(n.) Any small orifice.

Example Sentences:

(1) The isolate resembles M. cannonballus in the type of ostiole developed but M. eutypoides in having mainly two-spored asci.
(2) The cyst was typical of the genus, but differed from those of other species by its smaller size and the presence of numerous ostioles.
(3) Cells comprising the ostiolate neck may arise as modifications of spindle-shaped cells of the inner zone of the perithecial envelope.
(4) The two layers are normally separated by a space except where they form opercula in the center of ostioles (exits for excysting amebae).
(5) It differs from M. eutypoides in having a reduced ostiole but this may be a response to growth in culture as this species has only previously been reported from infected tissues.
(6) At irregular intervals in the cyst wall ostioles occupied by opercula are present.
(7) Two ascospores were photographed during emergence from an ostiole, but ostioles were found more frequently closed than open.
(8) Tissue contained septale filaments of two types, conidia, ostiolate perithecia containing ascospores corresponding to Microascus cinereus which was identified by culture.
(9) At high magnification, (using a scanning electron microscope), the crater-form punctuations adorning the sporangium were seen to result from openings (ostioles) of the network of small canals that traverse the external wall.
(10) nov. is described as a heterothallic, thermophilic fungus with spherical, black, non-ostiolate cleistothecia; elliposidal evanescent asci which contain eight one-celled ellipsoidal ascospores, darkening to deep brown to black, with one germ pore.