Glossary L
Lacrimal
Relating to or producing lacrimal fluid (tears) from the eyes.
Lacrimal bone
One ore two paired bones located in the medial wall of the orbit (eye socket) n., abbrev. l skull bone
Lacuna [plural] Lacunae
1. An anterior opening or space. 2. Specifically, the minute internal cavities found within bone.
Lacustrine
1. Relating to or produced by lakes. 2. Situated or living near a river, or in a river.
LAGs
Lines of arrested growth, a pattern of development in an organism in which there are pauses in bone deposition and an associated slower rate of growth.
Lamarckian
According to the pronciples of Jean Baptiste Lamarck (1744-1829, French naturalist]; specifically, favoring the theory (now generally discredited] that changes in the characteristics of an organism in response to environmental effects during its lifetime can be passed on to its offspring.
Lamella [plural] Lamellae / Lamellation / Lamellar bone
In anatomy, a thin sheet or plate of tissue as is found in compact or lamellar bone. Thus, Lamellation
Lateral
From the outside, external (opposite of medial)
Laurasia
The hypothetical supercontinent or land mass that fragmented millons of years ago to form the present continents of the Northern Hemisphere, including North America, Eurasia, and Greenland, but not India.
Lectotype
A syntype designated as the single name-bearing type specimen subsequent to the establishment of a nominal species or subspecies.
Ligaments
Tough sheets of threads of protein (collagen) which support joints between bones.
Lineage
A continuous line of descent from a particular ancestor, an evolutionary sequence over time.
Lines of arrested growth
See LAG\\\'s
Linnean / Linnaean
According to the principles of Carolus Linnaeus (Latinized name of Carl von Linne, 1707-1778, Swedish botanist); specifically, employing the traditonal system of classification of organisms established by Linnaeus, based on similarity of form and structure.
Locomotion / Locomotory
The ability of an organism to move from place to place, or the manner in which this is done. Thus, Locomotory
Relating to or producing lacrimal fluid (tears) from the eyes.
Lacrimal bone
One ore two paired bones located in the medial wall of the orbit (eye socket) n., abbrev. l skull bone
Lacuna [plural] Lacunae
1. An anterior opening or space. 2. Specifically, the minute internal cavities found within bone.
Lacustrine
1. Relating to or produced by lakes. 2. Situated or living near a river, or in a river.
LAGs
Lines of arrested growth, a pattern of development in an organism in which there are pauses in bone deposition and an associated slower rate of growth.
Lamarckian
According to the pronciples of Jean Baptiste Lamarck (1744-1829, French naturalist]; specifically, favoring the theory (now generally discredited] that changes in the characteristics of an organism in response to environmental effects during its lifetime can be passed on to its offspring.
Lamella [plural] Lamellae / Lamellation / Lamellar bone
In anatomy, a thin sheet or plate of tissue as is found in compact or lamellar bone. Thus, Lamellation
Lateral
From the outside, external (opposite of medial)
Laurasia
The hypothetical supercontinent or land mass that fragmented millons of years ago to form the present continents of the Northern Hemisphere, including North America, Eurasia, and Greenland, but not India.
Lectotype
A syntype designated as the single name-bearing type specimen subsequent to the establishment of a nominal species or subspecies.
Ligaments
Tough sheets of threads of protein (collagen) which support joints between bones.
Lineage
A continuous line of descent from a particular ancestor, an evolutionary sequence over time.
Lines of arrested growth
See LAG\\\'s
Linnean / Linnaean
According to the principles of Carolus Linnaeus (Latinized name of Carl von Linne, 1707-1778, Swedish botanist); specifically, employing the traditonal system of classification of organisms established by Linnaeus, based on similarity of form and structure.
Locomotion / Locomotory
The ability of an organism to move from place to place, or the manner in which this is done. Thus, Locomotory