(1) Their stems and leaves protrude above the water surface.

(2) The distal end of the clavicle may protrude slightly upward.

(3) The evolution of fish feeding systems is a history of change in multiple mechanical systems that raise the head, drop the lower jaw, expand the hyoid, and protrude the upper jaw.

(4) When standing, the knees of this figure protrude awkwardly and incised lines in both mobile arms suggest bicep musculature.

(5) Bent reeds, evenly spaced, protrude upwards.

(6) Cut off any unwanted growth and take back older side shoots that protrude too far out.

(7) With a typical hernia, there is a bulge resulting from the protrusion of an internal organ.

(8) The enemy soldier fell to the ground with the arrow protruding from his back.

(9) She was sure the apartment above had a lump which protruded upward from the floor.

(10) The British Association of Aesthetic Plastic Surgeons estimates around 1-2% of UK residents feel their ears are too protrusive .

(11) The tumors located centrally were polypoid, protruding into the lumen of the bronchus and narrowing the lumen.

(12) Actin polymerization produces the protrusive forces needed for cell crawling and the intracellular propulsion of organelles and certain microbial pathogens.

(13) Significantly, this relationship has a local maximum: too many barbed ends deplete the available monomer pool, too few are insufficient to generate protrusive force, so motility is stalled at either extreme.

(14) Physical subdivision and structural alteration have been implicated in the evolution of the muscles involved in protruding the upper jaw in elasmobranchs.

(15) They are coated with distinctive bumps and small protrusions against an overall veiled surface.

(16) The white tips are visible, as are their thick woody bases protruding at right angles to the stem.

(17) Spikes protruded from the rough surface at jagged points.

(18) Despite its age, the walls were already pitted and scorched, the ceiling covered with small bumps and protrusions .

(19) One of Henry's giant teeth was protruding at an awkward angle.

(20) Jude was as thin as a stick and his bones protruded through sallow skin.