lacuna [luh-kyoo-nuh]

noun:
1 a gap or missing part, as in a manuscript, series, or logical argument; hiatus.
2 (Anatomy) one of the numerous minute cavities in the substance of bone, supposed to contain nucleate cells.
3 (Botany) an air space in the cellular tissue of plants.

Examples:

Following a doctrine of necessity invoked by the ( Read more... )

amaranthine [am-uh-ran-thin, -thahyn]

adjective:
1 unfading; everlasting
2 of purplish-red color
3 of or relating to an amaranth


( Read more... )

venter:

noun:

In zoology:

1. the abdomen or belly, the undercarriage of an animal
2. a bellylike cavity
3. a bellylike protuberance

In law:

1. the womb
2: a wife or mother who is the source of offspring
3. in venter, conceived but not yet born

Origin:  Latin, venter meaning belly. First known use 1535-1545 ( Read more... )

Solenoglyphous, adj.: (Sol-e-NOG-li-fus), having fangs that fold into the mouth ( Read more... )

salp or salpa:  plural:  salps or salpae.

Noun:  Salpae are small, squishy oceanic animals that resemble jellyfish, but are actually more closely related to humans. They are chordates and possess a dorsal nerve cord similar to the spinal cord in vertebrates. Their rudimentary body structure is often referred to when creating models of how modern ( Read more... )

trophallaxis: [trof-uh-lak-sis ( Read more... )

senescence: [si-nes-uhns]
Noun:

1. (in biology) The state or process of aging, especially in humans; old age.
2. (in cell biology) Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
3. (in gerontology) Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
4. (in ( Read more... )

marcescent (mahr-SES-uhnt) - adj., withering but not falling off ( Read more... )