MESOGASTRIC
Mes`o*gas"tric, a. Etym: [Meso- + gastric.]

1. (Anat.) (a) Of or pertaining to the middle region of the abdomen, or of the stomach. (b) Of or pertaining to the mesogaster.

2. (Zoöl.)

Defn: Of or pertaining to the middle gastric lobe of the carapace of a crab.

MESOGASTRIUM Mes`o*gas"tri*um, n. Etym: [NL. See Mesogaster.] (Anat.) (a) The umbilical region. (b) The mesogaster.

MESOGLEA; MESOGLOEA
Mes`o*gloe"a, n. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A thin gelatinous tissue separating the ectoderm and endoderm in certain coelenterates. — Mes`o*gloeal, a.

MESOGNATHOUS
Me*sog"na*thous, a. Etym: [Meso- + Gr. (Anat.)

Defn: Having the jaws slightly projecting; between prognathous and orthognathous. See Gnathic index, under Gnathic.

MESOHEPAR
Mes`o*he"par, n. Etym: [NL. See Meso-, and Hepar.] (Anat.)