Actual age

Mean age of the trees comprising a forest, crop, or stand. In forests, the mean age of dominant (and sometimes codominant) trees is taken. The plantation age is generally taken ...

age

Culinary arts; Cooking

To let food get older under controlled conditions in order to improve flavor or texture or both. 1. Aged meat has been stored 3 to 6 weeks at an optimal temperature of 34°F to ...

age

Fishing; Marine fishery

The number of years of life completed, here indicated by an Arabic numeral, followed by a plus sign if there is any possibility of ambiguity (age 1, age 1+).

age

Medical devices; Radiology equipment

A number that indicates the calculated age of a patient given the birthdate entered into the information management system.

lymph hearts

Biology; General

Contractile enlargements of vessels that pump lymph back into the veins; found in fish, amphibians, and reptiles.

lungs

Biology; General

Sac-like structures of varying complexity where blood and air exchange oxygen and carbon dioxide; connected to the outside by a series of tubes and a small opening. In humans, the ...

lymphocytes

Biology; General

White blood cells that arise in the bone marrow and mediate the immune response; include T cells and B cells.

lysosomes

Biology; General

Membrane-enclosed organelles containing digestive enzymes. The lysosomes fuse with food vacuoles and enzymes contained within the lysosome chemically breakdown and/or digest the ...