**Core Concept:** Pasmmoma bodies are structures that occur in certain cells due to the accumulation of proteins, particularly immunoglobulins and complement proteins, within the cytoplasm. They are commonly seen in plasma cells and B cells, but not in T cells.

**Why the Correct Answer is Right:** Pasmmoma bodies are produced due to the inability of these cells to secrete and eliminate these proteins properly. In plasma cells and B cells, the production of immunoglobulins and complement proteins overwhelms the cell's ability to degrade or reabsorb them, causing the formation of these structures.

**Why Each Wrong Option is Incorrect:**

A. Option A - Plasma cells: Pasmmoma bodies are indeed seen in plasma cells, which are a type of B cell responsible for producing immunoglobulins.
B. Option B - T cells: T cells are a type of lymphocyte involved in cell-mediated immunity. Although they produce cytokines, they do not produce immunoglobulins or complement proteins, so Pasmmoma bodies are not seen in them.
C. Option C - Lymphocytes: Lymphocytes are a broader term that includes both T and B cells. The explanation provided for option B applies to lymphocytes generally, explaining why Pasmmoma bodies are not seen in lymphocytes in general.
D. Option D - Plasma cells: As mentioned before, plasma cells are indeed responsible for producing immunoglobulins and complement proteins, leading to the formation of Pasmmoma bodies.

**Clinical Pearl / High-Yield Fact:** Pasmmoma bodies can be used as a clue for the diagnosis of multiple myeloma, a plasma cell disorder characterized by the clonal proliferation of plasma cells that produce monoclonal immunoglobulins. The presence of Pasmmoma bodies in the context of monoclonal immunoglobulin production can raise suspicion for multiple myeloma, prompting further evaluation for this potentially life-threatening condition.