hemal glands
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hemal nodes — nodes found in certain mammals, especially ruminants, having a rich content of erythrocytes within sinuses and an organization much like a lymph node but with no lymphatic supply. They are located near the spleen, the kidney, and large blood… … Medical dictionary
hemolymph glands — 1. hemal nodes. 2. hemolymph nodes (def. 2) … Medical dictionary
gland — An organized aggregation of cells functioning as a secretory or excretory organ. SYN: glandula (1) [TA]. [L. glans, acorn] accessory g. a small mass of glandular structure, detached from but lying near another and larger g., to which it is… … Medical dictionary
Starfish — For other uses, see Starfish (disambiguation). Asteroidea redirects here. For the Asteraceae subfamily, see Asteroideae. Sea Stars Temporal range: Ordovician–Recent … Wikipedia
echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea … Universalium
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
hemolymph nodes — 1. hemal n s. 2. special types of hemal nodes found in the pig, having characteristics midway between those of ordinary lymph nodes and typical hemal nodes, containing both blood and lymphatic vessels, the contents of both of which mix in the… … Medical dictionary
Marsh rice rat — Temporal range: Rancholabrean (300,000 years before present) – present Conservation status … Wikipedia
