4. (Anat.)

Defn: The point or part by which a muscle or tendon is attached to
the part to be moved; — in contradistinction to its origin.
Epigynous insertion (Bot.), the insertion of stamens upon the ovary.
— Hypogynous insertion (Bot.), insertion beneath the ovary.

INSERVE
In*serve", v. i. Etym: [L. inservire; in- in + servire to serve.]

Defn: To be of use to an end; to serve. [Obs.]

INSERVIENT
In*serv"i*ent, a. Etym: [L. inserviens, p. pr. of inservire.]

Defn: Conducive; instrumental. [Obs.] Sir T. Browne.

INSESSION In*ses"sion, n. Etym: [L. insessio, fr. insidere, insessum, to sit in. See Insidious.]

1. The act of sitting, as in a tub or bath. "Used by way of fomentation, insession, or bath." [R.] Holland.

2. That in which one sits, as a bathing tub. [R.] Insessions be bathing tubs half full. Holland.

INSESSOR
In*ses"sor, n.; pl. Insessores. Etym: [See Insessores.] (Zoöl.)