hemal glands — hemal lymph glands hemal nodes … Medical dictionary
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
Node — Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid tissue. A nodule is a small node, a little collection of tissue. * * * 1. A knob or nodosity; a circumscribed swelling; in anatomy, a… … Medical dictionary
hemolymph glands — 1. hemal nodes. 2. hemolymph nodes (def. 2) … Medical dictionary
hemolymph node — n any of several small chiefly retroperitoneal nodes of tissue resembling lymph nodes but having the lymph spaces replaced in whole or in part by blood sinuses called also hemal node … Medical dictionary
Lepospondyli — Lepospondyli Rango temporal: Carbonífero Inferior Pérmico Inferior … Wikipedia Español
Nectridea — Nectridea Rango temporal: Carbonífero superior Pérmico inferior … Wikipedia Español